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Sample records for pol iii holoenzyme

  1. The dnaN gene codes for the beta subunit of DNA polymerase III holoenzyme of escherichia coli.

    Science.gov (United States)

    Burgers, P M; Kornberg, A; Sakakibara, Y

    1981-09-01

    An Escherichia coli mutant, dnaN59, stops DNA synthesis promptly upon a shift to a high temperature; the wild-type dnaN gene carried in a transducing phage encodes a polypeptide of about 41,000 daltons [Sakakibara, Y. & Mizukami, T. (1980) Mol. Gen. Genet. 178, 541-553; Yuasa, S. & Sakakibara, Y. (1980) Mol. Gen. Genet. 180, 267-273]. We now find that the product of dnaN gene is the beta subunit of DNA polymerase III holoenzyme, the principal DNA synthetic multipolypeptide complex in E. coli. The conclusion is based on the following observations: (i) Extracts from dnaN59 cells were defective in phage phi X174 and G4 DNA synthesis after the mutant cells had been exposed to the increased temperature. (ii) The enzymatic defect was overcome by addition of purified beta subunit but not by other subunits of DNA polymerase III holoenzyme or by other replication proteins required for phi X174 DNA synthesis. (iii) Partially purified beta subunit from the dnaN mutant, unlike that from the wild type, was inactive in reconstituting the holoenzyme when mixed with the other purified subunits. (iv) Increased dosage of the dnaN gene provided by a plasmid carrying the gene raised cellular levels of the beta subunit 5- to 6-fold.

  2. Dynamics of termination during in vitro replication of ultraviolet-irradiated DNA with DNA polymerase III holoenzyme of Escherichia coli

    International Nuclear Information System (INIS)

    Shwartz, H.; Livneh, Z.

    1987-01-01

    During in vitro replication of UV-irradiated single-stranded DNA with Escherichia coli DNA polymerase III holoenzyme termination frequently occurs at pyrimidine photodimers. The termination stage is dynamic and characterized by at least three different events: repeated dissociation-reinitiation cycles of the polymerase at the blocked termini; extensive hydrolysis of ATP to ADP and inorganic phosphate; turnover of dNTPs into dNMP. The reinitiation events are nonproductive and are not followed by further elongation. The turnover of dNTPs into dNMPs is likely to result from repeated cycles of insertion of dNMP residues opposite the blocking lesions followed by their excision by the 3'----5' exonucleolytic activity of the polymerase. Although all dNTPs are turned over, there is a preference for dATP, indicating that DNA polymerase III holoenzyme has a preference for inserting a dAMP residue opposite blocking pyrimidine photodimers. We suggest that the inability of the polymerase to bypass photodimers during termination is due to the formation of defective initiation-like complexes with reduced stability at the blocked termini

  3. Replication Fidelity of Escherichia Coli DNA Polymerase III Holoenzyme in Vitro and Repair of Heteroduplex DNA with Multibase Loops in Vivo.

    Science.gov (United States)

    Carraway, Margaretha Bernardina Maria

    The genetic integrity of an organism is maintained by accurate replication and correction of asymmetry in the DNA. To study replication fidelity, single-stranded plasmid DNA containing the mnt gene, was replicated in vitro with DNA polymerase III holoenzyme by extension of a complimentary annealed primer. On this plasmid the mnt region is fused to a promoterless tet gene. Accurate replication of mnt generates a tetracycline sensitive phenotype, errors in replication are identified by mutation to tetracycline resistance. Mismatch repair deficient mutH cells were transformed to ampicillin-resistance by replicated circles. The mutations in mnt were identified by replica plating and selecting for tetracycline resistant cells. The mutation rate was 1 in 100,000. DNA sequence analysis of 65 isolates identified 33 single base changes, 20 deletions and 12 concurrent deletions and insertions. Except for the deletions and substitutions, identical mutations were isolated in vivo in mismatch repair deficient cells. Therefore, in vitro replication errors resemble those isolated in vivo. Heteroduplexes with loops occur as a result of replication or recombination. To examine if E. coli converts these molecules to a homoduplex via DNA repair, plasmid heteroduplexes with loops of 5, 7, 9, 192, 410 or 514 bases in mnt were constructed. Conversion was examined by tranforming the plasmid heteroduplexes into E. coli lysogens which had a non-functional mnt gene fused to a promoterless lac gene. Repair of the heteroduplex to wild type yields white/tetracycline sensitive colonies; repair to the mutant yields red/tetracycline resistant colonies and no repair results in red-white (mixed)/tetracycline resistant colonies. No significant change in colony color distribution was observed when the heteroduplexes were transformed into wild type and the following mutant strains: pcnB, mutS, recA, recD, recBC sbcBC, recF, recJ, recR, recN, recO, recG ruvC, ruvB, lexA3, lexA51, uvrA, recBC sbcBC rec

  4. Only one ATP-binding DnaX subunit is required for initiation complex formation by the Escherichia coli DNA polymerase III holoenzyme.

    Science.gov (United States)

    Wieczorek, Anna; Downey, Christopher D; Dallmann, H Garry; McHenry, Charles S

    2010-09-17

    The DnaX complex (DnaX(3)δδ'χ psi) within the Escherichia coli DNA polymerase III holoenzyme serves to load the dimeric sliding clamp processivity factor, β(2), onto DNA. The complex contains three DnaX subunits, which occur in two forms: τ and the shorter γ, produced by translational frameshifting. Ten forms of E. coli DnaX complex containing all possible combinations of wild-type or a Walker A motif K51E variant τ or γ have been reconstituted and rigorously purified. DnaX complexes containing three DnaX K51E subunits do not bind ATP. Comparison of their ability to support formation of initiation complexes, as measured by processive replication by the DNA polymerase III holoenzyme, indicates a minimal requirement for one ATP-binding DnaX subunit. DnaX complexes containing two mutant DnaX subunits support DNA synthesis at about two-thirds the level of their wild-type counterparts. β(2) binding (determined functionally) is diminished 12-30-fold for DnaX complexes containing two K51E subunits, suggesting that multiple ATPs must be bound to place the DnaX complex into a conformation with maximal affinity for β(2). DNA synthesis activity can be restored by increased concentrations of β(2). In contrast, severe defects in ATP hydrolysis are observed upon introduction of a single K51E DnaX subunit. Thus, ATP binding, hydrolysis, and the ability to form initiation complexes are not tightly coupled. These results suggest that although ATP hydrolysis likely enhances β(2) loading, it is not absolutely required in a mechanistic sense for formation of functional initiation complexes.

  5. The beta subunit modulates bypass and termination at UV lesions during in vitro replication with DNA polymerase III holoenzyme of Escherichia coli

    International Nuclear Information System (INIS)

    Shavitt, O.; Livneh, Z.

    1989-01-01

    The cycling time of DNA polymerase III holoenzyme during replication of UV-irradiated single-stranded (ss) DNA was longer than with unirradiated DNA (8 versus 3 min, respectively), most likely due to slow dissociation from lesion-terminated nascent DNA strands. Initiation of elongation on primed ssDNA was not significantly inhibited by the presence of UV lesions as indicated by the identical distribution of replication products synthesized at early and late reaction times and by the identical duration of the initial synthesis bursts on both unirradiated and UV-irradiated DNA templates. When replication was performed with DNA polymerase III* supplemented with increasing quantities of purified beta 2 subunit, the cycling time on UV-irradiated DNA decreased from 14.8 min at 1.7 nM beta 2 down to 6 min at 170 nM beta 2, a concentration in which beta 2 was in large excess over the polymerase. In parallel to the reduction in cycling time, also the bypass frequency of cyclobutane-photodimers decreased with increasing beta 2 concentration, and at 170 nM beta 2, bypass of photodimers was essentially eliminated. It has been shown that polymerase complexes with more than one beta 2 per polymerase molecule were formed at high beta 2 concentrations. It is plausible that polymerase complexes obtained under high beta 2 concentration dissociate from lesion-terminated primers faster than polymerase complexes formed at a low beta 2 concentration. This is expected to favor termination over bypass at pyrimidine photodimers and thus decrease their bypass frequency. These results suggest that the beta 2 subunit might act as a sensor for obstacles to replication caused by DNA damage, and that it terminates elongation at these sites by promoting dissociation. The intracellular concentration of beta 2 was estimated to be 250 nM

  6. File list: Pol.Myo.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Myo.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Muscle... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Myo.20.RNA_polymerase_III.AllCell.bed ...

  7. File list: Pol.Adp.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Adp.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Adipoc...yte http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Adp.20.RNA_polymerase_III.AllCell.bed ...

  8. File list: Pol.Prs.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Prs.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Prosta...te http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Prs.05.RNA_polymerase_III.AllCell.bed ...

  9. File list: Pol.Myo.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Myo.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Muscle... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Myo.05.RNA_polymerase_III.AllCell.bed ...

  10. File list: Pol.CDV.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.CDV.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Cardio...vascular http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.CDV.05.RNA_polymerase_III.AllCell.bed ...

  11. File list: Pol.Lar.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Lar.50.RNA_polymerase_III.AllCell ce10 RNA polymerase RNA polymerase III Larvae... http://dbarchive.biosciencedbc.jp/kyushu-u/ce10/assembled/Pol.Lar.50.RNA_polymerase_III.AllCell.bed ...

  12. File list: Pol.Kid.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Kid.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Kidney... SRX016996 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Kid.05.RNA_polymerase_III.AllCell.bed ...

  13. File list: Pol.Pan.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Pan.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Pancre...as http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Pan.05.RNA_polymerase_III.AllCell.bed ...

  14. File list: Pol.ALL.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.ALL.05.RNA_polymerase_III.AllCell ce10 RNA polymerase RNA polymerase III All ce...ll types SRX395531,SRX331268,SRX331270,SRX395532 http://dbarchive.biosciencedbc.jp/kyushu-u/ce10/assembled/Pol.ALL.05.RNA_polymerase_III.AllCell.bed ...

  15. File list: Pol.Lng.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Lng.50.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Lung S...RX016555,SRX150101,SRX150102 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Lng.50.RNA_polymerase_III.AllCell.bed ...

  16. File list: Pol.Gon.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Gon.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Gonad ...http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Gon.20.RNA_polymerase_III.AllCell.bed ...

  17. File list: Pol.Lng.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Lng.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Lung S...RX016555,SRX150101,SRX150102 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Lng.05.RNA_polymerase_III.AllCell.bed ...

  18. File list: Pol.Emb.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Emb.20.RNA_polymerase_III.AllCell ce10 RNA polymerase RNA polymerase III Embryo... http://dbarchive.biosciencedbc.jp/kyushu-u/ce10/assembled/Pol.Emb.20.RNA_polymerase_III.AllCell.bed ...

  19. File list: Pol.Utr.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Utr.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Uterus... SRX018606,SRX017002,SRX017001 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Utr.20.RNA_polymerase_III.AllCell.bed ...

  20. File list: Pol.Epd.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Epd.50.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Epider...mis SRX016997 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Epd.50.RNA_polymerase_III.AllCell.bed ...

  1. File list: Pol.Kid.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Kid.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Kidney... SRX016996 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Kid.20.RNA_polymerase_III.AllCell.bed ...

  2. File list: Pol.Plc.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Plc.10.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Placen...ta http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Plc.10.RNA_polymerase_III.AllCell.bed ...

  3. File list: Pol.Gon.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Gon.10.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Gonad ...http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Gon.10.RNA_polymerase_III.AllCell.bed ...

  4. File list: Pol.ALL.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.ALL.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III All ce...,SRX150396,SRX015144,SRX150101,SRX150102 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.ALL.05.RNA_polymerase_III.AllCell.bed ...

  5. File list: Pol.Pan.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Pan.10.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Pancre...as http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Pan.10.RNA_polymerase_III.AllCell.bed ...

  6. File list: Pol.Adl.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Adl.05.RNA_polymerase_III.AllCell ce10 RNA polymerase RNA polymerase III Adult ...SRX395531,SRX331268,SRX331270,SRX395532 http://dbarchive.biosciencedbc.jp/kyushu-u/ce10/assembled/Pol.Adl.05.RNA_polymerase_III.AllCell.bed ...

  7. File list: Pol.Utr.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Utr.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Uterus... SRX017001,SRX018606,SRX017002 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Utr.05.RNA_polymerase_III.AllCell.bed ...

  8. File list: Pol.Plc.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Plc.50.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Placen...ta http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Plc.50.RNA_polymerase_III.AllCell.bed ...

  9. File list: Pol.Adl.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Adl.10.RNA_polymerase_III.AllCell ce10 RNA polymerase RNA polymerase III Adult ...SRX395531,SRX331268,SRX331270,SRX395532 http://dbarchive.biosciencedbc.jp/kyushu-u/ce10/assembled/Pol.Adl.10.RNA_polymerase_III.AllCell.bed ...

  10. File list: Pol.Plc.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Plc.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Placen...ta http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Plc.05.RNA_polymerase_III.AllCell.bed ...

  11. File list: Pol.Myo.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Myo.50.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Muscle... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Myo.50.RNA_polymerase_III.AllCell.bed ...

  12. File list: Pol.Plc.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Plc.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Placen...ta http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Plc.20.RNA_polymerase_III.AllCell.bed ...

  13. File list: Pol.Gon.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Gon.50.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Gonad ...http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Gon.50.RNA_polymerase_III.AllCell.bed ...

  14. File list: Pol.Epd.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Epd.10.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Epider...mis SRX016997 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Epd.10.RNA_polymerase_III.AllCell.bed ...

  15. File list: Pol.Adp.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Adp.10.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Adipoc...yte http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Adp.10.RNA_polymerase_III.AllCell.bed ...

  16. File list: Pol.Emb.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Emb.50.RNA_polymerase_III.AllCell ce10 RNA polymerase RNA polymerase III Embryo... http://dbarchive.biosciencedbc.jp/kyushu-u/ce10/assembled/Pol.Emb.50.RNA_polymerase_III.AllCell.bed ...

  17. File list: Pol.Emb.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Emb.10.RNA_polymerase_III.AllCell ce10 RNA polymerase RNA polymerase III Embryo... http://dbarchive.biosciencedbc.jp/kyushu-u/ce10/assembled/Pol.Emb.10.RNA_polymerase_III.AllCell.bed ...

  18. File list: Pol.Bon.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Bon.50.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Bone h...ttp://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Bon.50.RNA_polymerase_III.AllCell.bed ...

  19. File list: Pol.Liv.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Liv.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Liver ...http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Liv.20.RNA_polymerase_III.AllCell.bed ...

  20. File list: Pol.Oth.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Oth.10.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Others... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Oth.10.RNA_polymerase_III.AllCell.bed ...

  1. File list: Pol.Bld.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Bld.50.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Blood ...SRX150560,SRX018610,SRX015143,SRX017006,SRX150396,SRX015144 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Bld.50.RNA_polymerase_III.AllCell.bed ...

  2. File list: Pol.Oth.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Oth.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Others... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Oth.05.RNA_polymerase_III.AllCell.bed ...

  3. File list: Pol.Emb.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Emb.05.RNA_polymerase_III.AllCell ce10 RNA polymerase RNA polymerase III Embryo... http://dbarchive.biosciencedbc.jp/kyushu-u/ce10/assembled/Pol.Emb.05.RNA_polymerase_III.AllCell.bed ...

  4. File list: Pol.Dig.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.50.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Digest...ive tract http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.50.RNA_polymerase_III.AllCell.bed ...

  5. File list: Pol.Bon.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Bon.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Bone h...ttp://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Bon.05.RNA_polymerase_III.AllCell.bed ...

  6. File list: Pol.Lar.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Lar.10.RNA_polymerase_III.AllCell ce10 RNA polymerase RNA polymerase III Larvae... http://dbarchive.biosciencedbc.jp/kyushu-u/ce10/assembled/Pol.Lar.10.RNA_polymerase_III.AllCell.bed ...

  7. File list: Pol.CDV.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.CDV.10.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Cardio...vascular http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.CDV.10.RNA_polymerase_III.AllCell.bed ...

  8. File list: Pol.Epd.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Epd.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Epider...mis SRX016997 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Epd.20.RNA_polymerase_III.AllCell.bed ...

  9. File list: Pol.Bon.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Bon.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Bone h...ttp://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Bon.20.RNA_polymerase_III.AllCell.bed ...

  10. File list: Pol.PSC.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.PSC.50.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Plurip...otent stem cell http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.PSC.50.RNA_polymerase_III.AllCell.bed ...

  11. File list: Pol.Dig.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Digest...ive tract http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.20.RNA_polymerase_III.AllCell.bed ...

  12. File list: Pol.Neu.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Neu.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Neural... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Neu.05.RNA_polymerase_III.AllCell.bed ...

  13. File list: Pol.Bld.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Bld.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Blood ...SRX017006,SRX015143,SRX150560,SRX018610,SRX150396,SRX015144 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Bld.20.RNA_polymerase_III.AllCell.bed ...

  14. File list: Pol.Brs.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Brs.10.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Breast... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Brs.10.RNA_polymerase_III.AllCell.bed ...

  15. File list: Pol.Unc.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Unc.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Unclas...sified http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Unc.20.RNA_polymerase_III.AllCell.bed ...

  16. File list: Pol.Unc.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  17. File list: Pol.Kid.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  18. File list: Pol.ALL.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  19. File list: Pol.Brs.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  20. File list: Pol.Lar.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  1. File list: Pol.Pan.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  2. File list: Pol.PSC.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  3. File list: Pol.Neu.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  4. File list: Pol.Oth.20.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  5. File list: Pol.ALL.50.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  6. File list: Pol.Bld.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  7. File list: Pol.ALL.20.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  8. File list: Pol.ALL.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  9. File list: Pol.Brs.05.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  10. File list: Pol.Neu.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  11. File list: Pol.Spl.10.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  12. File list: Pol.Unc.50.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  13. File list: Pol.Bld.20.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  14. File list: Pol.Neu.10.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  15. File list: Pol.Pan.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  16. File list: Pol.Prs.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  17. File list: Pol.CDV.20.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  18. File list: Pol.Unc.10.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  19. File list: Pol.ALL.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  20. File list: Pol.Pan.10.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  1. File list: Pol.Myo.10.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  2. File list: Pol.Plc.20.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  3. File list: Pol.Unc.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  4. File list: Pol.Adp.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  5. File list: Pol.Emb.05.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  6. File list: Pol.Prs.10.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  7. File list: Pol.Bon.05.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  8. File list: Pol.Unc.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  9. File list: Pol.Oth.05.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  10. File list: Pol.Neu.50.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  11. File list: Pol.Myo.05.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  14. File list: Pol.Bld.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  15. File list: Pol.Dig.50.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  16. File list: Pol.Bon.10.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  17. File list: Pol.Emb.10.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  18. Human RNA polymerase III transcriptomes and relationships to Pol II promoter chromatin and enhancer-binding factors.

    Science.gov (United States)

    Oler, Andrew J; Alla, Ravi K; Roberts, Douglas N; Wong, Alexander; Hollenhorst, Peter C; Chandler, Katherine J; Cassiday, Patrick A; Nelson, Cassie A; Hagedorn, Curt H; Graves, Barbara J; Cairns, Bradley R

    2010-05-01

    RNA polymerase (Pol) III transcribes many noncoding RNAs (for example, transfer RNAs) important for translational capacity and other functions. We localized Pol III, alternative TFIIIB complexes (BRF1 or BRF2) and TFIIIC in HeLa cells to determine the Pol III transcriptome, define gene classes and reveal 'TFIIIC-only' sites. Pol III localization in other transformed and primary cell lines reveals previously uncharacterized and cell type-specific Pol III loci as well as one microRNA. Notably, only a fraction of the in silico-predicted Pol III loci are occupied. Many occupied Pol III genes reside within an annotated Pol II promoter. Outside of Pol II promoters, occupied Pol III genes overlap with enhancer-like chromatin and enhancer-binding proteins such as ETS1 and STAT1. Moreover, Pol III occupancy scales with the levels of nearby Pol II, active chromatin and CpG content. These results suggest that active chromatin gates Pol III accessibility to the genome.

  19. File list: Pol.NoD.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  20. File list: Pol.NoD.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  1. File list: Pol.NoD.10.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  2. File list: Pol.NoD.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

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  3. File list: Pol.EmF.20.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

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  4. Competition of Escherichia coli DNA polymerases I, II and III with DNA Pol IV in stressed cells.

    Directory of Open Access Journals (Sweden)

    P J Hastings

    2010-05-01

    Full Text Available Escherichia coli has five DNA polymerases, one of which, the low-fidelity Pol IV or DinB, is required for stress-induced mutagenesis in the well-studied Lac frameshift-reversion assay. Although normally present at approximately 200 molecules per cell, Pol IV is recruited to acts of DNA double-strand-break repair, and causes mutagenesis, only when at least two cellular stress responses are activated: the SOS DNA-damage response, which upregulates DinB approximately 10-fold, and the RpoS-controlled general-stress response, which upregulates Pol IV about 2-fold. DNA Pol III was also implicated but its role in mutagenesis was unclear. We sought in vivo evidence on the presence and interactions of multiple DNA polymerases during stress-induced mutagenesis. Using multiply mutant strains, we provide evidence of competition of DNA Pols I, II and III with Pol IV, implying that they are all present at sites of stress-induced mutagenesis. Previous data indicate that Pol V is also present. We show that the interactions of Pols I, II and III with Pol IV result neither from, first, induction of the SOS response when particular DNA polymerases are removed, nor second, from proofreading of DNA Pol IV errors by the editing functions of Pol I or Pol III. Third, we provide evidence that Pol III itself does not assist with but rather inhibits Pol IV-dependent mutagenesis. The data support the remaining hypothesis that during the acts of DNA double-strand-break (DSB repair, shown previously to underlie stress-induced mutagenesis in the Lac system, there is competition of DNA polymerases I, II and III with DNA Pol IV for action at the primer terminus. Up-regulation of Pol IV, and possibly other stress-response-controlled factor(s, tilt the competition in favor of error-prone Pol IV at the expense of more accurate polymerases, thus producing stress-induced mutations. This mutagenesis assay reveals the DNA polymerases operating in DSB repair during stress and also

  5. Single Turnover Autophosphorylation Cycle of the PKA RIIβ Holoenzyme.

    Directory of Open Access Journals (Sweden)

    Ping Zhang

    2015-07-01

    Full Text Available To provide tight spatiotemporal signaling control, the cyclic adenosine monophosphate (cAMP-dependent protein kinase (PKA holoenzyme typically nucleates a macromolecular complex or a "PKA signalosome." Using the RIIβ holoenzyme as a prototype, we show how autophosphorylation/dephosphorylation of the RIIβ subunit, as well as cAMP and metal ions, contribute to the dynamics of PKA signaling. While we showed previously that the RIIβ holoenzyme could undergo a single turnover autophosphorylation with adenosine triphosphate and magnesium (MgATP and trap both products in the crystal lattice, we asked here whether calcium could trap an ATP:RIIβ holoenzyme since the RIIβ holoenzyme is located close to ion channels. The 2.8Å structure of an RIIβp2:C2:(Ca2ADP2 holoenzyme, supported by biochemical and biophysical data, reveals a trapped single phosphorylation event similar to MgATP. Thus, calcium can mediate a single turnover event with either ATP or adenosine-5'-(β,γ-imidotriphosphate (AMP-PNP, even though it cannot support steady-state catalysis efficiently. The holoenzyme serves as a "product trap" because of the slow off-rate of the pRIIβ subunit, which is controlled by cAMP, not by phosphorylation of the inhibitor site. By quantitatively defining the RIIβ signaling cycle, we show that release of pRIIβ in the presence of cAMP is reduced by calcium, whereas autophosphorylation at the phosphorylation site (P-site inhibits holoenzyme reassociation with the catalytic subunit. Adding a single phosphoryl group to the preformed RIIβ holoenzyme thus creates a signaling cycle in which phosphatases become an essential partner. This previously unappreciated molecular mechanism is an integral part of PKA signaling for type II holoenzymes.

  6. DNA polymerases eta and kappa exchange with the polymerase delta holoenzyme to complete common fragile site synthesis.

    Science.gov (United States)

    Barnes, Ryan P; Hile, Suzanne E; Lee, Marietta Y; Eckert, Kristin A

    2017-09-01

    Common fragile sites (CFSs) are inherently unstable genomic loci that are recurrently altered in human tumor cells. Despite their instability, CFS are ubiquitous throughout the human genome and associated with large tumor suppressor genes or oncogenes. CFSs are enriched with repetitive DNA sequences, one feature postulated to explain why these loci are inherently difficult to replicate, and sensitive to replication stress. We have shown that specialized DNA polymerases (Pols) η and κ replicate CFS-derived sequences more efficiently than the replicative Pol δ. However, we lacked an understanding of how these enzymes cooperate to ensure efficient CFS replication. Here, we designed a model of lagging strand replication with RFC loaded PCNA that allows for maximal activity of the four-subunit human Pol δ holoenzyme, Pol η, and Pol κ in polymerase mixing assays. We discovered that Pol η and κ are both able to exchange with Pol δ stalled at repetitive CFS sequences, enhancing Normalized Replication Efficiency. We used this model to test the impact of PCNA mono-ubiquitination on polymerase exchange, and found no change in polymerase cooperativity in CFS replication compared with unmodified PCNA. Finally, we modeled replication stress in vitro using aphidicolin and found that Pol δ holoenzyme synthesis was significantly inhibited in a dose-dependent manner, preventing any replication past the CFS. Importantly, Pol η and κ were still proficient in rescuing this stalled Pol δ synthesis, which may explain, in part, the CFS instability phenotype of aphidicolin-treated Pol η and Pol κ-deficient cells. In total, our data support a model wherein Pol δ stalling at CFSs allows for free exchange with a specialized polymerase that is not driven by PCNA. Copyright © 2017 Elsevier B.V. All rights reserved.

  7. Architecture of the Pol III–clamp–exonuclease complex reveals key roles of the exonuclease subunit in processive DNA synthesis and repair

    Science.gov (United States)

    Toste Rêgo, Ana; Holding, Andrew N; Kent, Helen; Lamers, Meindert H

    2013-01-01

    DNA polymerase III (Pol III) is the catalytic α subunit of the bacterial DNA Polymerase III holoenzyme. To reach maximum activity, Pol III binds to the DNA sliding clamp β and the exonuclease ɛ that provide processivity and proofreading, respectively. Here, we characterize the architecture of the Pol III–clamp–exonuclease complex by chemical crosslinking combined with mass spectrometry and biochemical methods, providing the first structural view of the trimeric complex. Our analysis reveals that the exonuclease is sandwiched between the polymerase and clamp and enhances the binding between the two proteins by providing a second, indirect, interaction between the polymerase and clamp. In addition, we show that the exonuclease binds the clamp via the canonical binding pocket and thus prevents binding of the translesion DNA polymerase IV to the clamp, providing a novel insight into the mechanism by which the replication machinery can switch between replication, proofreading, and translesion synthesis. PMID:23549287

  8. Domain Structures and Inter-Domain Interactions Defining the Holoenzyme Architecture of Archaeal D-Family DNA Polymerase

    Directory of Open Access Journals (Sweden)

    Hideshi Yokoyama

    2013-07-01

    Full Text Available Archaea-specific D-family DNA polymerase (PolD forms a dimeric heterodimer consisting of two large polymerase subunits and two small exonuclease subunits. According to the protein-protein interactions identified among the domains of large and small subunits of PolD, a symmetrical model for the domain topology of the PolD holoenzyme is proposed. The experimental evidence supports various aspects of the model. The conserved amphipathic nature of the N-terminal putative α-helix of the large subunit plays a key role in the homodimeric assembly and the self-cyclization of the large subunit and is deeply involved in the archaeal PolD stability and activity. We also discuss the evolutional transformation from archaeal D-family to eukaryotic B-family polymerase on the basis of the structural information.

  9. Domain structures and inter-domain interactions defining the holoenzyme architecture of archaeal d-family DNA polymerase.

    Science.gov (United States)

    Matsui, Ikuo; Matsui, Eriko; Yamasaki, Kazuhiko; Yokoyama, Hideshi

    2013-07-05

    Archaea-specific D-family DNA polymerase (PolD) forms a dimeric heterodimer consisting of two large polymerase subunits and two small exonuclease subunits. According to the protein-protein interactions identified among the domains of large and small subunits of PolD, a symmetrical model for the domain topology of the PolD holoenzyme is proposed. The experimental evidence supports various aspects of the model. The conserved amphipathic nature of the N-terminal putative α-helix of the large subunit plays a key role in the homodimeric assembly and the self-cyclization of the large subunit and is deeply involved in the archaeal PolD stability and activity. We also discuss the evolutional transformation from archaeal D-family to eukaryotic B-family polymerase on the basis of the structural information.

  10. La escuela de Mira-El-Río: su significado en la política educativa de Carlos III

    Directory of Open Access Journals (Sweden)

    Paloma PERNIL ALARCÓN

    2010-03-01

    Full Text Available RESUMEN: La personalidad de Carlos III exige ser traducida más en el significado de sus acciones políticas de reforma social que en la existencia de grandes gestos de actitudes absolutistas personales. La problemática planteada a la Corona se hace patente en la búsqueda de soluciones a través de las reformas exigidas y de los organismos que se crean como exigencia de una eficacia mediante una política de integración y de colaboración estamental.

  11. Characterization of CK2 holoenzyme variants with regard to crystallization

    DEFF Research Database (Denmark)

    Guerra, B; Niefind, K; Ermakowa, I

    2001-01-01

    severely. One of the approaches chosen was the production of a chimeric holoenzyme made up from a human regulatory subunit and a catalytic subunit from Z. mays. The plant catalytic subunit, in contrast to the human counterpart is very stable and does not undergo this kind of degradation. The second...

  12. A direct proofreader-clamp interaction stabilizes the Pol III replicase in the polymerization mode

    KAUST Repository

    Jergic, Slobodan

    2013-02-22

    Processive DNA synthesis by the αÉ"θ core of the Escherichia coli Pol III replicase requires it to be bound to the β 2 clamp via a site in the α polymerase subunit. How the É" proofreading exonuclease subunit influences DNA synthesis by α was not previously understood. In this work, bulk assays of DNA replication were used to uncover a non-proofreading activity of É". Combination of mutagenesis with biophysical studies and single-molecule leading-strand replication assays traced this activity to a novel β-binding site in É" that, in conjunction with the site in α, maintains a closed state of the αÉ"θ-β 2 replicase in the polymerization mode of DNA synthesis. The É"-β interaction, selected during evolution to be weak and thus suited for transient disruption to enable access of alternate polymerases and other clamp binding proteins, therefore makes an important contribution to the network of protein-protein interactions that finely tune stability of the replicase on the DNA template in its various conformational states. © 2013 European Molecular Biology Organization.

  13. Structure of the Protein Phosphatase 2A Holoenzyme

    Energy Technology Data Exchange (ETDEWEB)

    Xu,Y.; Xing, Y.; Chen, Y.; Chao, Y.; Lin, Z.; Fan, E.; Yu, J.; Strack, S.; Jeffrey, P.; Shi, Y.

    2006-01-01

    Protein Phosphatase 2A (PP2A) plays an essential role in many aspects of cellular physiology. The PP2A holoenzyme consists of a heterodimeric core enzyme, which comprises a scaffolding subunit and a catalytic subunit, and a variable regulatory subunit. Here we report the crystal structure of the heterotrimeric PP2A holoenzyme involving the regulatory subunit B'/B56/PR61. Surprisingly, the B'/PR61 subunit has a HEAT-like (huntingtin-elongation-A subunit-TOR-like) repeat structure, similar to that of the scaffolding subunit. The regulatory B'/B56/PR61 subunit simultaneously interacts with the catalytic subunit as well as the conserved ridge of the scaffolding subunit. The carboxyterminus of the catalytic subunit recognizes a surface groove at the interface between the B'/B56/PR61 subunit and the scaffolding subunit. Compared to the scaffolding subunit in the PP2A core enzyme, formation of the holoenzyme forces the scaffolding subunit to undergo pronounced conformational rearrangements. This structure reveals significant ramifications for understanding the function and regulation of PP2A.

  14. O marxismo indo-americano de Mariátegui e a polêmica com a III Internacional Comunista.

    Directory of Open Access Journals (Sweden)

    María Gabriela Guillén

    2012-05-01

    Full Text Available Partindo da perspectiva marxista indo-americana de José Carlos Mariátegui, o artigo visa a exposição de fatores teóricos e históricos que culminaram na polêmica com a III Internacional Comunista na América Latina. A problemática evidencia a originalidade do pensamento de Mariátegui, cujo eixo central é a interpretação dos fatos históricos, políticos e sociais latino-americanos sob a perspectiva dialética do desenvolvimento desigual e combinado para explicar a dinâmica particular da realidade peruana.

  15. Distinct co-evolution patterns of genes associated to DNA polymerase III DnaE and PolC

    Directory of Open Access Journals (Sweden)

    Engelen Stefan

    2012-02-01

    Full Text Available Abstract Background Bacterial genomes displaying a strong bias between the leading and the lagging strand of DNA replication encode two DNA polymerases III, DnaE and PolC, rather than a single one. Replication is a highly unsymmetrical process, and the presence of two polymerases is therefore not unexpected. Using comparative genomics, we explored whether other processes have evolved in parallel with each polymerase. Results Extending previous in silico heuristics for the analysis of gene co-evolution, we analyzed the function of genes clustering with dnaE and polC. Clusters were highly informative. DnaE co-evolves with the ribosome, the transcription machinery, the core of intermediary metabolism enzymes. It is also connected to the energy-saving enzyme necessary for RNA degradation, polynucleotide phosphorylase. Most of the proteins of this co-evolving set belong to the persistent set in bacterial proteomes, that is fairly ubiquitously distributed. In contrast, PolC co-evolves with RNA degradation enzymes that are present only in the A+T-rich Firmicutes clade, suggesting at least two origins for the degradosome. Conclusion DNA replication involves two machineries, DnaE and PolC. DnaE co-evolves with the core functions of bacterial life. In contrast PolC co-evolves with a set of RNA degradation enzymes that does not derive from the degradosome identified in gamma-Proteobacteria. This suggests that at least two independent RNA degradation pathways existed in the progenote community at the end of the RNA genome world.

  16. The inactivation of rfaP, rarA or sspA gene improves the viability of the Escherichia coli DNA polymerase III holD mutant.

    Science.gov (United States)

    Michel, Bénédicte; Sinha, Anurag Kumar

    2017-06-01

    The Escherichia coli holD mutant is poorly viable because the stability of holoenzyme polymerase III (Pol III HE) on DNA is compromised. Consequently, the SOS response is induced and the SOS polymerases DinB and Pol II further hinder replication. Mutations that restore the holD mutant viability belong to two classes, those that stabilize Pol III on DNA and those that prevent the deleterious effects of DinB over-production. We identified a dnaX mutation and the inactivation of rfaP and sspA genes as belonging to the first class of holD mutant suppressors. dnaX encodes a Pol III clamp loader subunit that interacts with HolD. rfaP encodes a lipopolysaccharide kinase that acts in outer membrane biogenesis. Its inactivation improves the holD mutant growth in part by affecting potassium import, previously proposed to stabilize Pol III HE on DNA by increasing electrostatic interactions. sspA encodes a global transcriptional regulator and growth of the holD mutant in its absence suggests that SspA controls genes that affect protein-DNA interactions. The inactivation of rarA belongs to the second class of suppressor mutations. rarA inactivation has a weak effect but is additive with other suppressor mutations. Our results suggest that RarA facilitates DinB binding to abandoned forks. © 2017 John Wiley & Sons Ltd.

  17. Biochemical characterization of CK2alpha and alpha' paralogues and their derived holoenzymes: evidence for the existence of a heterotrimeric CK2alpha'-holoenzyme forming trimeric complexes

    DEFF Research Database (Denmark)

    Olsen, Birgitte; Rasmussen, Tine; Niefind, Karsten

    2008-01-01

    Altogether 2 holoenzymes and 4 catalytic CK2 constructs were expressed and characterized i.e. CK2alpha (2) (1-335) beta(2); CK2alpha'-derived holoenzyme; CK2alpha(1-335); MBP-CK2alpha'; His-tagged CK2alpha and His-tagged CK2alpha'. The two His-tagged catalytic subunits were expressed in insect...... cells, all others in Escherichia coli. IC(50) studies involving the established CK2 inhibitors DMAT, TBBt, TBBz, apigenin and emodin were carried out and the K(i) values calculated. Although the differences in the K(i) values found were modest, there was a general tendency showing that the CK2...... holoenzymes were more sensitive towards the inhibitors than the free catalytic subunits. Thermal inactivation experiments involving the individual catalytic subunits showed an almost complete loss of activity after only 2 min at 45 degrees C. In the case of the two holoenzymes, the CK2alpha...

  18. Crystal structure of the 500-kDa yeast acetyl-CoA carboxylase holoenzyme dimer

    Energy Technology Data Exchange (ETDEWEB)

    Wei, Jia; Tong, Liang

    2015-10-12

    Acetyl-CoA carboxylase (ACC) has crucial roles in fatty acid metabolism and is an attractive target for drug discovery against diabetes, cancer and other diseases1, 2, 3, 4, 5, 6. Saccharomyces cerevisiae ACC (ScACC) is crucial for the production of very-long-chain fatty acids and the maintenance of the nuclear envelope7, 8. ACC contains biotin carboxylase (BC) and carboxyltransferase (CT) activities, and its biotin is linked covalently to the biotin carboxyl carrier protein (BCCP). Most eukaryotic ACCs are 250-kilodalton (kDa), multi-domain enzymes and function as homodimers and higher oligomers. They contain a unique, 80-kDa central region that shares no homology with other proteins. Although the structures of the BC, CT and BCCP domains and other biotin-dependent carboxylase holoenzymes are known1, 9, 10, 11, 12, 13, 14, there is currently no structural information on the ACC holoenzyme. Here we report the crystal structure of the full-length, 500-kDa holoenzyme dimer of ScACC. The structure is remarkably different from that of the other biotin-dependent carboxylases. The central region contains five domains and is important for positioning the BC and CT domains for catalysis. The structure unexpectedly reveals a dimer of the BC domain and extensive conformational differences compared to the structure of the BC domain alone, which is a monomer. These structural changes reveal why the BC domain alone is catalytically inactive and define the molecular mechanism for the inhibition of eukaryotic ACC by the natural product soraphen A15, 16 and by phosphorylation of a Ser residue just before the BC domain core in mammalian ACC. The BC and CT active sites are separated by 80 Å, and the entire BCCP domain must translocate during catalysis.

  19. Sobre la decadencia económica y urbana de Gades en el contexto político del siglo III

    Directory of Open Access Journals (Sweden)

    Noé Villaverde Vega

    1997-01-01

    Full Text Available No parece casual que durante los s. i a. de C y ii de C, se atestigüe una estrecha relación de Gades con personajes de las más altas esferas políticas romanas, pues durante dicho periodo esta localidad, obtuvo una notable expansión al amparo de los beneficios fiscales otorgados por el Estado romano. Por contra, el ascenso al poder de la Dinastía Severiana, caracterizado por una despiadada aniquilación de sus oponentes, entre los cuales destacaba la aristocracia bélica prácticamente en pleno, parece haber determinado la pérdida de influencias hasta entonces detentadas por el ámbito hispánico meridional en la cancillería romana. En consecuencia a fines del s. II o principios del s. III, se advierte la repercusión negativa que la nueva normativa severíana tendrían sobre las localidades costeras del fretum gaditamum, quienes súbitamente privadas de privilegios que garantizaban su prosperidad, fueron obligadas a una estricta reconversión recesiva; todo se evidencia con particular gravedad en Gades, localidad que en el transcurso del s. III resultaría completamente arruinada, llegando incluso a perder su, acaso milenaria, categoría urbana.It's evident the conexión of Gades with the most influential dignataries of the highest politicat spheres after its adhesión to Rome, especially from V-' century BC to 2nd AD when the southern Híspanla shipping trade, from which Gades the main exponent, got a substantial expansión under the projection of tax allowances given by the Román government. Conversely, Severian Dinasty's hse to power. charactehzed by a merciless destruction of every oponent among whom nearly all the baetican ahstocracy were, seens to have caused the loss of power commanded up till the by the Southern Hispania área, consequently of Gades, on the Román chancellery's resolutions. Accordingly Severían policy about shipiing and taxation appears to have implied a deep economical «crisis» for the Strait territory

  20. Adenosylcobalamin-dependent methylmalonyl-CoA mutase from Propionibacterium shermanii. Active holoenzyme produced from Escherichia coli.

    Science.gov (United States)

    McKie, N; Keep, N H; Patchett, M L; Leadlay, P F

    1990-01-01

    The linked structural genes coding for both subunits of adenosylcobalamin-dependent methylmalonyl-CoA mutase from the Gram-positive bacterium Propionibacterium shermanii have been altered by site-directed mutagenesis and placed under the control of an inducible phage-T7-specific plasmid promoter in Escherichia coli. Conditions have been found under which both alpha- and beta-subunits are produced in soluble form, in near 1:1 ratio, and assemble to form apo-mutase totalling about 5% of the total cellular protein. Methylmalonyl-CoA mutase purified from these cells could be readily converted into the holoenzyme by addition of adenosylcobalamin. The active holoenzyme apparently crystallizes in the same space group as an inactive corrinoid-containing form of the enzyme obtained previously. Images Fig. 1. Fig. 2. Fig. 3. PMID:1974759

  1. Morfologia do polén anemófilo e alergizante no Brasil: III. Oleaceae, Plantaginaceae e Compositae Morphology of anemophilous and allergenic pollen in Brazil: III. Oleaceae, Plantaginaceae and Compositae

    Directory of Open Access Journals (Sweden)

    Ortrud Monika Barth

    1976-01-01

    Full Text Available Em continuação à segunda parte deste artigo (Barth et al., 1977, são estudados os grãos de polén das espécies anemófilas pertencentes a três outras famílias, visando ao conhecimento da sua morfologia para estudos relacionados à poluição do ar e a processos alérgicos, especialmente das vias respiratórias.In continuation to the second part of this catalogue (Barth et al, 1976, we have studied the pollen grains of the anemophilous species from other familes. We intended to describe their morphology in order to apply it to air pollution and allergy studies.

  2. The whole set of constitutive promoters recognized by RNA polymerase RpoD holoenzyme of Escherichia coli.

    Directory of Open Access Journals (Sweden)

    Tomohiro Shimada

    Full Text Available The promoter selectivity of Escherichia coli RNA polymerase is determined by the sigma subunit with promoter recognition activity. The model prokaryote Escherichia coli contains seven species of the sigma subunit, each recognizing a specific set of promoters. The major sigma subunit, sigma-70 encoded by rpoD, plays a major role in transcription of growth-related genes. Concomitant with the increase in detection of promoters functioning in vivo under various stressful conditions, the variation is expanding in the consensus sequence of RpoD promoters. In order to identify the canonical sequence of "constitutive promoters" that are recognized by the RNA polymerase holoenzyme containing RpoD sigma in the absence of supporting transcription factors, an in vitro mixed transcription assay was carried out using a whole set of variant promoters, each harboring one base replacement, within the model promoter with the conserved -35 and -10 sequences of RpoD promoters. The consensus sequences, TTGACA(-35 and TATAAT(-10, were identified to be ideal for the maximum level of open complex formation and the highest rate of promoter opening, respectively. For identification of the full range of constitutive promoters on the E. coli genome, a total of 2,701 RpoD holoenzyme-binding sites were identified by Genomic SELEX screening, and using the reconfirmed consensus promoter sequence, a total of maximum 669 constitutive promoters were identified, implying that the majority of hitherto identified promoters represents the TF-dependent "inducible promoters". One unique feature of the constitutive promoters is the high level of promoter sequence conservation, about 85% carrying five-out-of-six agreements with -35 or -10 consensus sequence. The list of constitutive promoters provides the community resource toward estimation of the inducible promoters that operate under various stressful conditions in nature.

  3. A difícil arte de "deslizar sobre o mundo" ou Montaigne, um político discreto ("De poupar a própria vontade" - III, 10

    Directory of Open Access Journals (Sweden)

    Andre Scoralick

    2012-12-01

    Full Text Available De 1581 a 1585, Montaigne foi prefeito de Bordeaux. Foi acusado por detratores de não se ter aplicado o bastante e de não ter feito nada de marcante durante seus dois mandatos. Ao responder às acusações no ensaio "De poupar a própria vontade" (III, 10, o autor encontra a ocasião para uma crítica das paixões em geral e, em particular, das que pertencem ao contexto político. Isto porque ele visava, com sua aparente falta de aplicação aos deveres de prefeito, evitar a paixão que tantas vezes se oculta por trás do engajamento - a ambição, desejo de honras, glória, renome. Sobretudo, esperava evitar um duplo perigo, ao mesmo tempo ético e político: comprometer a própria liberdade numa busca servil da glória e subordinar o bem coletivo ao interesse pessoal. No presente estudo, procuraremos reconstituir a trama argumentativa do ensaio em questão, acompanhando de perto os argumentos que sustentam a crítica montaigniana das paixões, bem como a terapia muito particular a que o ensaísta as submete, a qual lhe permite fazer do episódio da Mairie de Bordeaux um modelo de conciliação entre o cuidado de si e o cumprimento dos deveres políticos.From 1581 to 1585 Montaigne was the mayor of Bordeaux. He was accused by detractors of not having been sufficiently dedicated to his functions and of having done nothing remarkable during his two terms. In answering to such charges in the essay "Of Managing the Will" (III, 10, the author finds the occasion for criticising passions in general and, in particular, those concerning the political context. The reason for it is that he sought, with his apparent lack of commitment to the mayor's duties, to avoid the passions which usually hide behind such an engagement: ambition, desire for honours, glory, renown. Above all he hoped to avoid a double danger, both ethical and political: to compromise his freedom in a servile pursuit of glory and to subordinate the common good to his personal advantage

  4. Nucleosome Positioning and NDR Structure at RNA Polymerase III Promoters

    DEFF Research Database (Denmark)

    Helbo, Alexandra Søgaard; Lay, Fides D; Jones, Peter A

    2017-01-01

    Chromatin is structurally involved in the transcriptional regulation of all genes. While the nucleosome positioning at RNA polymerase II (pol II) promoters has been extensively studied, less is known about the chromatin structure at pol III promoters in human cells. We use a high-resolution analy......Chromatin is structurally involved in the transcriptional regulation of all genes. While the nucleosome positioning at RNA polymerase II (pol II) promoters has been extensively studied, less is known about the chromatin structure at pol III promoters in human cells. We use a high....... The +1 nucleosome is located further downstream than at pol II genes and furthermore displays weak positioning. The variable position of the +1 location is seen not only within individual cell populations and between cell types, but also between different pol III promoter subtypes, suggesting that the +1...... the first high-resolution map of nucleosome positioning and occupancy at human pol III promoters at specific loci and genome wide....

  5. The rye mutants identify a role for Ssn/Srb proteins of the RNA polymerase II holoenzyme during stationary phase entry in Saccharomyces cerevisiae.

    Science.gov (United States)

    Chang, Y W; Howard, S C; Budovskaya, Y V; Rine, J; Herman, P K

    2001-01-01

    Saccharomyces cerevisiae cells enter into a distinct resting state, known as stationary phase, in response to specific types of nutrient deprivation. We have identified a collection of mutants that exhibited a defective transcriptional response to nutrient limitation and failed to enter into a normal stationary phase. These rye mutants were isolated on the basis of defects in the regulation of YGP1 expression. In wild-type cells, YGP1 levels increased during the growth arrest caused by nutrient deprivation or inactivation of the Ras signaling pathway. In contrast, the levels of YGP1 and related genes were significantly elevated in the rye mutants during log phase growth. The rye defects were not specific to this YGP1 response as these mutants also exhibited multiple defects in stationary phase properties, including an inability to survive periods of prolonged starvation. These data indicated that the RYE genes might encode important regulators of yeast cell growth. Interestingly, three of the RYE genes encoded the Ssn/Srb proteins, Srb9p, Srb10p, and Srb11p, which are associated with the RNA polymerase II holoenzyme. Thus, the RNA polymerase II holoenzyme may be a target of the signaling pathways responsible for coordinating yeast cell growth with nutrient availability.

  6. Single-molecule studies of fork dynamics in Escherichia coli DNA replication

    NARCIS (Netherlands)

    Tanner, Nathan A.; Hamdan, Samir M.; Jergic, Slobodan; Loscha, Karin V.; Schaeffer, Patrick M.; Dixon, Nicholas E.; Oijen, Antoine M. van

    2008-01-01

    We present single-molecule studies of the Escherichia coli replication machinery. We visualize individual E. coli DNA polymerase III (Pol III) holoenzymes engaging in primer extension and leading-strand synthesis. When coupled to the replicative helicase DnaB, Pol III mediates leading-strand

  7. redD and actII-ORF4, Pathway-Specific Regulatory Genes for Antibiotic Production in Streptomyces coelicolor A3(2), Are Transcribed In Vitro by an RNA Polymerase Holoenzyme Containing σhrdD

    NARCIS (Netherlands)

    Fujii, T.; Gramajo, H.C.; Takano, E.; Bibb, M.J.

    1996-01-01

    redD and actII-ORF4, regulatory genes required for synthesis of the antibiotics undecylprodigiosin and actinorhodin by Streptomyces coelicolor A3(2), were transcribed in vitro by an RNA polymerase holoenzyme containing σhrdD. Disruption of hrdD had no effect on antibiotic production, indicating that

  8. Structural organizations of yeast RNase P and RNase MRP holoenzymes as revealed by UV-crosslinking studies of RNA–protein interactions

    Science.gov (United States)

    Khanova, Elena; Esakova, Olga; Perederina, Anna; Berezin, Igor; Krasilnikov, Andrey S.

    2012-01-01

    Eukaryotic ribonuclease (RNase) P and RNase MRP are closely related ribonucleoprotein complexes involved in the metabolism of various RNA molecules including tRNA, rRNA, and some mRNAs. While evolutionarily related to bacterial RNase P, eukaryotic enzymes of the RNase P/MRP family are much more complex. Saccharomyces cerevisiae RNase P consists of a catalytic RNA component and nine essential proteins; yeast RNase MRP has an RNA component resembling that in RNase P and 10 essential proteins, most of which are shared with RNase P. The structural organizations of eukaryotic RNases P/MRP are not clear. Here we present the results of RNA–protein UV crosslinking studies performed on RNase P and RNase MRP holoenzymes isolated from yeast. The results indicate locations of specific protein-binding sites in the RNA components of RNase P and RNase MRP and shed light on the structural organizations of these large ribonucleoprotein complexes. PMID:22332141

  9. Structural organizations of yeast RNase P and RNase MRP holoenzymes as revealed by UV-crosslinking studies of RNA-protein interactions.

    Science.gov (United States)

    Khanova, Elena; Esakova, Olga; Perederina, Anna; Berezin, Igor; Krasilnikov, Andrey S

    2012-04-01

    Eukaryotic ribonuclease (RNase) P and RNase MRP are closely related ribonucleoprotein complexes involved in the metabolism of various RNA molecules including tRNA, rRNA, and some mRNAs. While evolutionarily related to bacterial RNase P, eukaryotic enzymes of the RNase P/MRP family are much more complex. Saccharomyces cerevisiae RNase P consists of a catalytic RNA component and nine essential proteins; yeast RNase MRP has an RNA component resembling that in RNase P and 10 essential proteins, most of which are shared with RNase P. The structural organizations of eukaryotic RNases P/MRP are not clear. Here we present the results of RNA-protein UV crosslinking studies performed on RNase P and RNase MRP holoenzymes isolated from yeast. The results indicate locations of specific protein-binding sites in the RNA components of RNase P and RNase MRP and shed light on the structural organizations of these large ribonucleoprotein complexes.

  10. Translesion DNA polymerases Pol ζ, Pol η, Pol ι, Pol κ and Rev1 are ...

    Indian Academy of Sciences (India)

    MADU

    Kozmin S G, Pavlov Y I, Kunkel T A and Sage E 2003 Roles of Saccharomyces cerevisiae DNA polymerases Pol η and. Pol ζ in response to simulated sunlight; Nucleic Acids Res. 31. 4541–4552. Lawrence C W 2002 Cellular roles of DNA polymerase ζ and Rev. 1 protein; DNA Repair 1 425–435. Lemontt J F 1971 Mutants ...

  11. Solution Structure of Pfu RPP21, a Component of the Archaeal RNase P Holoenzyme, and Interactions with its RPP29 Protein Partner

    Science.gov (United States)

    Amero, Carlos D; Boomershine, William P; Xu, Yiren; Foster, Mark

    2009-01-01

    RNase P is the ubiquitous ribonucleoprotein metalloenzyme responsible for cleaving the 5′-leader sequence of precursor tRNAs during their maturation. While the RNA subunit is catalytically active on its own at high monovalent and divalent ion concentration, four proteins subunits are associated with archaeal RNase P activity in vivo: RPP21, RPP29, RPP30 and POP5. These proteins have been shown to function in pairs: RPP21-RPP29 and POP5-RPP30. We have determined the solution structure of RPP21 from the hyperthermophilic archaeon Pyrococcus furiosus (Pfu) using conventional and paramagnetic NMR techniques. Pfu RPP21 in solution consists of an unstructured N-terminus, two alpha helices, a zinc binding motif, and an unstructured C-terminus. Moreover, we have used chemical shift perturbations to characterize the interaction of RPP21 with Pfu RPP29. The data show that the primary contact with RPP29 is localized to the two helices of RPP21. This information represents a fundamental step towards understanding structure-function relationships of the archaeal RNase P holoenzyme. PMID:18922021

  12. FACT facilitates chromatin transcription by RNA polymerases I and III

    DEFF Research Database (Denmark)

    Birch, Joanna L; Tan, Bertrand C-M; Panov, Kostya I

    2009-01-01

    Efficient transcription elongation from a chromatin template requires RNA polymerases (Pols) to negotiate nucleosomes. Our biochemical analyses demonstrate that RNA Pol I can transcribe through nucleosome templates and that this requires structural rearrangement of the nucleosomal core particle....... The subunits of the histone chaperone FACT (facilitates chromatin transcription), SSRP1 and Spt16, co-purify and co-immunoprecipitate with mammalian Pol I complexes. In cells, SSRP1 is detectable at the rRNA gene repeats. Crucially, siRNA-mediated repression of FACT subunit expression in cells results...... in a significant reduction in 47S pre-rRNA levels, whereas synthesis of the first 40 nt of the rRNA is not affected, implying that FACT is important for Pol I transcription elongation through chromatin. FACT also associates with RNA Pol III complexes, is present at the chromatin of genes transcribed by Pol III...

  13. Maf1, a new player in the regulation of human RNA polymerase III transcription.

    Directory of Open Access Journals (Sweden)

    Jaime H Reina

    Full Text Available BACKGROUND: Human RNA polymerase III (pol III transcription is regulated by several factors, including the tumor suppressors P53 and Rb, and the proto-oncogene c-Myc. In yeast, which lacks these proteins, a central regulator of pol III transcription, called Maf1, has been described. Maf1 is required for repression of pol III transcription in response to several signal transduction pathways and is broadly conserved in eukaryotes. METHODOLOGY/PRINCIPAL FINDINGS: We show that human endogenous Maf1 can be co-immunoprecipitated with pol III and associates in vitro with two pol III subunits, the largest subunit RPC1 and the alpha-like subunit RPAC2. Maf1 represses pol III transcription in vitro and in vivo and is required for maximal pol III repression after exposure to MMS or rapamycin, treatments that both lead to Maf1 dephosphorylation. CONCLUSIONS/SIGNIFICANCE: These data suggest that Maf1 is a major regulator of pol III transcription in human cells.

  14. [The role of protein phosphatase 2A B56β holoenzyme in the regulation of heavy metal CdCl2 induced cytotoxicity].

    Science.gov (United States)

    Zhang, Jinmiao; Ma, Lu; Wang, San; Chen, Wen; Chen, Liping

    2015-05-01

    To investigate the role of holoenzyme containing Protein Phosphatase 2A B56β in regulating CdCl2 induced cytotoxicity. CdCl2-induced cytotoxicity in normal human cell line L-02, AFB1-transformed hepatic cell line L-02 RT-AFB1 and tumor cell line Bel7402 was measured by modified MTT assay. Stable cell lines L-02 SHAKT, L-02 SHB56β, L-02 RT-AFB1-B56β and Bel7402-B56β were generated by infecting L-02 cells or Bel7402 cells with retroviral vectors encoding lentiviral AKT shRNA, lentiviral B56β shRNA and B56β. The relative cell viability was measured in normal human cell line AFB1-transformed hepatic cell line and tumor cell line when treated by CdCl2 (0, 20, 40, 80, 160 µmol/L). After treated by wortmannin (2.5, 5.0 µmol/L) combined with 40 µmol/L CdCl2, Western blot was applied to measure the expression of associated protein in L-02.Western blot was applied to measure the expression of B56β, MT (metallothionein), AKT, and p-AKT in these cell lines treated by CdCl2. The levels of MT were 0.12 ± 0.02, 0.06 ± 0.06 in L-02 RT-AFB1 and Bel7402, which were lower than L02 (0.92 ± 0.14) (F = 1 148.16, P cytotoxicity responding to CdCl2. Our study revealed a key signaling pathways of PP2A involved in heavy metals induced cytotoxicity.

  15. Genetics Home Reference: Pol III-related leukodystrophy

    Science.gov (United States)

    ... 2011 Sep 9;89(3):415-23. doi: 10.1016/j.ajhg.2011.07.014. Erratum in: Am ... Jan 15;300(1-2):179-81. doi: 10.1016/j.jns.2010.09.009. Epub 2010 Sep ... Sep 15;320(1-2):102-5. doi: 10.1016/j.jns.2012.07.005. Epub 2012 Jul ...

  16. Monitor III

    International Nuclear Information System (INIS)

    Grisham, D.L.; Lambert, J.E.

    1986-01-01

    Monitor III is a totally portable version of the Monitor I and II systems in use at the Clinton P. Anderson Meson Physics Facility (LAMPF) since 1976. The Monitor III system differs from the other systems in that it is capable of operating in any location accessible by truck. Although Monitor III was designed primarily for the handling and disposal of radioactive materials, it is also capable of performing the more sophisticated operations normally performed by the other Monitor systems. The development and operational capabilities of the Monitor remote handling system have been thoroughly reported since 1978. This paper reports on the commissioning of a new system with unique capabilities

  17. Escherichia coli DNA polymerase III is responsible for the high level of spontaneous mutations in mutT strains.

    Science.gov (United States)

    Yamada, Masami; Shimizu, Masatomi; Katafuchi, Atsushi; Grúz, Petr; Fujii, Shingo; Usui, Yukio; Fuchs, Robert P; Nohmi, Takehiko

    2012-12-01

    Reactive oxygen species induce oxidative damage in DNA precursors, i.e. dNTPs, leading to point mutations upon incorporation. Escherichia coli mutT strains, deficient in the activity hydrolysing 8-oxo-7,8-dihydro-2'-deoxyguanosine 5'-triphosphate (8-oxo-dGTP), display more than a 100-fold higher spontaneous mutation frequency over the wild-type strain. 8-oxo-dGTP induces A to C transversions when misincorporated opposite template A. Here, we report that DNA pol III incorporates 8-oxo-dGTP ≈ 20 times more efficiently opposite template A compared with template C. Single, double or triple deletions of pol I, pol II, pol IV or pol V had modest effects on the mutT mutator phenotype. Only the deletion of all four polymerases led to a 70% reduction of the mutator phenotype. While pol III may account for nearly all 8-oxo-dGTP incorporation opposite template A, it only extends ≈ 30% of them, the remaining 70% being extended by the combined action of pol I, pol II, pol IV or pol V. The unique property of pol III, a C-family DNA polymerase present only in eubacteria, to preferentially incorporate 8-oxo-dGTP opposite template A during replication might explain the high spontaneous mutation frequency in E. coli mutT compared with the mammalian counterparts lacking the 8-oxo-dGTP hydrolysing activities. © 2012 Blackwell Publishing Ltd.

  18. Richard III

    DEFF Research Database (Denmark)

    Lauridsen, Palle Schantz

    2017-01-01

    Kort analyse af Shakespeares Richard III med fokus på, hvordan denne skurk fremstilles, så tilskuere (og læsere) langt henad vejen kan føle sympati med ham. Med paralleller til Netflix-serien "House of Cards"......Kort analyse af Shakespeares Richard III med fokus på, hvordan denne skurk fremstilles, så tilskuere (og læsere) langt henad vejen kan føle sympati med ham. Med paralleller til Netflix-serien "House of Cards"...

  19. Recrutamento político

    OpenAIRE

    Norris, Pippa

    2013-01-01

    O objetivo principal deste artigo é apresentar uma breve revisão da literatura sobre recrutamento político e oferecer alguns critérios empíricos para análise. A partir de uma perspectiva integrada, nos estabelecemos um modelo de análise que trabalha com a estrutural social e as instituições políticas. O modelo de oferta e demanda foi mobilizado para relacionar os inputs do background social e as possíveis consequências nas instituições. Os dados apresentados provém de uma diversidade de fonte...

  20. Fermilab III

    International Nuclear Information System (INIS)

    Anon.

    1990-01-01

    The total ongoing plans for Fermilab are wrapped up in the Fermilab III scheme, centrepiece of which is the proposal for a new Main Injector. The Laboratory has been awarded a $200,000 Illinois grant which will be used to initiate environmental assessment and engineering design of the Main Injector, while a state review panel recommended that the project should also benefit from $2 million of funding

  1. Recrutamento político

    Directory of Open Access Journals (Sweden)

    Pippa Norris

    2013-06-01

    Full Text Available O objetivo principal deste artigo é apresentar uma breve revisão da literatura sobre recrutamento político e oferecer alguns critérios empíricos para análise. A partir de uma perspectiva integrada, nos estabelecemos um modelo de análise que trabalha com a estrutural social e as instituições políticas. O modelo de oferta e demanda foi mobilizado para relacionar os inputs do background social e as possíveis consequências nas instituições. Os dados apresentados provém de uma diversidade de fontes e privilegiaram os processos de inclusão de mulheres em diferentes tipos de democracias e sociedades. Os resultados mostram que somente através da interação da estrutural social com as demandas institucionais é possível conhecer o resultado final da representatividade e os filtros do recrutamento político. Além disso, os dados nos permitiram desvendar um incremento da participação das bases sociais do partido no processo de nominação de candidatos. Concluímos que o processo de seleção de candidatos é uma das mais técnicas e privadas funções dos partidos políticos. O aumento da oferta e o estreitamento da demanda tem promovido uma série de consequências para a democracia representativa, como a inserção de mulheres ao mesmo tempo em que se profissionalizam os partidos políticos..

  2. Treacher Collins syndrome mutations in Saccharomyces cerevisiae destabilize RNA polymerase I and III complex integrity.

    Science.gov (United States)

    Walker-Kopp, Nancy; Jackobel, Ashleigh J; Pannafino, Gianno N; Morocho, Paola A; Xu, Xia; Knutson, Bruce A

    2017-11-01

    Treacher Collins syndrome (TCS) is a craniofacial disorder that is characterized by the malformation of the facial bones. Mutations in three genes (TCOF1, POLR1C and POLR1D) involved in RNA polymerase I (Pol I) transcription account for more than 90% of disease cases. Two of these TCS-associated genes, POLR1C and POLR1D, encode for essential Pol I/III subunits that form a heterodimer necessary for Pol I/III assembly, and many TCS mutations lie along their evolutionarily conserved dimerization interface. Here we elucidate the molecular basis of TCS mutations in Saccharomyces cerevisiae, and present a new model for how TCS mutations may disrupt Pol I and III complex integrity. © The Author 2017. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

  3. Gênero e justiça social multidimensional: fundamentos ético-políticos da Política Nacional para as Mulheres = Gender and multidimensional social justice: ethical and political foundations of the public policies for women

    Directory of Open Access Journals (Sweden)

    Lima, Alex Myller Duarte

    2015-01-01

    Full Text Available O presente artigo objetiva investigar se os fundamentos ético-políticos implicados no desenho da Política Nacional para as Mulheres, em especial em sua mais recente concreção – o III Plano Nacional de Políticas para as Mulheres de 2013 –, possuem consistência e alcance suficientes para equacionar as complexas demandas sociais de início do século XXI, especialmente diante das diversas e mesmo conflitantes frentes de luta por justiça social. Como referencial, foi adotada a Teoria da Justiça da filósofa feminista Nancy Fraser, uma concepção multidimensional de justiça (econômica, cultural, política apropriada à época atual de capitalismo globalizante. A seguir, foi efetuada a análise dos fundamentos ético-políticos da Política Nacional para as Mulheres, com especial atenção ao mais recente Plano Nacional de Políticas para as Mulheres. Nesse passo, concluiu-se pela insuficiência das formulações atuais das políticas brasileiras para as mulheres

  4. Retrotransposons. An RNA polymerase III subunit determines sites of retrotransposon integration.

    Science.gov (United States)

    Bridier-Nahmias, Antoine; Tchalikian-Cosson, Aurélie; Baller, Joshua A; Menouni, Rachid; Fayol, Hélène; Flores, Amando; Saïb, Ali; Werner, Michel; Voytas, Daniel F; Lesage, Pascale

    2015-05-01

    Mobile genetic elements are ubiquitous. Their integration site influences genome stability and gene expression. The Ty1 retrotransposon of the yeast Saccharomyces cerevisiae integrates upstream of RNA polymerase III (Pol III)-transcribed genes, yet the primary determinant of target specificity has remained elusive. Here we describe an interaction between Ty1 integrase and the AC40 subunit of Pol III and demonstrate that AC40 is the predominant determinant targeting Ty1 integration upstream of Pol III-transcribed genes. Lack of an integrase-AC40 interaction dramatically alters target site choice, leading to a redistribution of Ty1 insertions in the genome, mainly to chromosome ends. The mechanism of target specificity allows Ty1 to proliferate and yet minimizes genetic damage to its host. Copyright © 2015, American Association for the Advancement of Science.

  5. AND Dy(III)

    African Journals Online (AJOL)

    userpc

    ACTIVITIES OF Sm(III) AND Dy(III) COMPLEXES WITH SCHIFF BASE DERIVED FROM ... and spectral analysis show that ligand coordinate to the central lanthanide(III)ion by its imine nitrogen, phenolic oxygen and carboxylic oxygen in 1:1 stoichemetry. The complexes were ... instance iron (III) and cobalt (III) complexes.

  6. Sangres políticas

    Directory of Open Access Journals (Sweden)

    Gabriel Gatti

    2018-03-01

    Full Text Available Trabajamos en las tensiones entre dos continentes en permanente disputa: “sangre” y “política”, “realidad” y “dispositivo”, “naturaleza” y “cultura”. Son viejos asuntos, y viejas tensiones, pero que no dejan de actualizarse y que ahora se manifiestan por doquier en cuestiones como la biometría, los mapas genéticos, la identificación de desaparecidos, las políticas de la identidad indígena o de género o de menores o de drogas, la gestación subrogada o la gestión de la marginalidad. Los diez textos recogidos en este número especial discuten desde una mirada interdisciplinaria sobre la presencia de la sangre —en sus distintas declinaciones— en la definición contemporánea de lo que entendemos por identidad, derechos humanos o ciudadanía.

  7. Global Positioning System III (GPS III)

    Science.gov (United States)

    2015-12-01

    Selected Acquisition Report (SAR) RCS: DD-A&T(Q&A)823-292 Global Positioning System III ( GPS III) As of FY 2017 President’s Budget Defense...Acquisition Management Information Retrieval (DAMIR) March 23, 2016 16:15:29 UNCLASSIFIED GPS III December 2015 SAR March 23, 2016 16:15:29 UNCLASSIFIED 2...Document OSD - Office of the Secretary of Defense O&S - Operating and Support PAUC - Program Acquisition Unit Cost GPS III December 2015 SAR March 23

  8. Signaling to and from the RNA Polymerase III Transcription and Processing Machinery.

    Science.gov (United States)

    Willis, Ian M; Moir, Robyn D

    2018-01-12

    RNA polymerase (Pol) III has a specialized role in transcribing the most abundant RNAs in eukaryotic cells, transfer RNAs (tRNAs), along with other ubiquitous small noncoding RNAs, many of which have functions related to the ribosome and protein synthesis. The high energetic cost of producing these RNAs and their central role in protein synthesis underlie the robust regulation of Pol III transcription in response to nutrients and stress by growth regulatory pathways. Downstream of Pol III, signaling impacts posttranscriptional processes affecting tRNA function in translation and tRNA cleavage into smaller fragments that are increasingly attributed with novel cellular activities. In this review, we consider how nutrients and stress control Pol III transcription via its factors and its negative regulator, Maf1. We highlight recent work showing that the composition of the tRNA population and the function of individual tRNAs is dynamically controlled and that unrestrained Pol III transcription can reprogram central metabolic pathways. Expected final online publication date for the Annual Review of Biochemistry Volume 87 is June 20, 2018. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.

  9. Política, marketing e neoliberalismo

    Directory of Open Access Journals (Sweden)

    Pedro Roberto Ferreira

    2004-07-01

    Full Text Available O texto contém uma análise da relação política e sua possível consciência no seu momento específico compreendido pelo processo eleitoral (Londrina - eleições 92. Como este processo eleitoral em nossos dias, nutre-se de algumas técnicas conhecidas como Marketing Político-Eleitoral, e de como estas, contribuem para uma dinâmica de esvaziamento da vida política propriamente dita. Procura ainda, conectar esse esvaziamento político e suas consequências, com o avanço da concepção neoliberal cujo ápice parece fazer coincidir a política como mais uma manifestação de Mercado.

  10. Edad y cultura política

    Directory of Open Access Journals (Sweden)

    MANUEL JUSTEL

    1992-01-01

    Full Text Available En este artículo se analiza la evolución de algunos aspectos de la cultura política y democrática durante los años ochenta: información y competencia política, participación política, actitudes hacia los partidos y orientaciones políticas. Los datos proceden de sendas encuestas realizadas en 1980 y 1989. Mediante análisis de cohortes de edad, controlando sexo y nivel de estudios, se comprueba el grado diferencial de expansión de actitudes democráticas en los grupos de edad, controlando sexo y nivel de estudios, se comprueba el grado diferencial de expansión de actitudes democráticas en los grupos de edad, el efecto homogeneizador que conlleva y el influjo estratégico de la educación. En el marco teórico de la socialización política en edad adulta y de las relaciones entre sistema social y sistema político, se interpretan los cambios de actitudes distinguiendo efectos de ciclo vital, de cohorte y de periodo. Al mismo tiempo, se discuten algunas consecuencias políticas del envejecimiento poblacional y se constata de un grado notable de plasticidad actitudinal y de adhesión creciente a la democracia de las cohortes de edad avanzada.

  11. Fuels and Petroleum, Oil & Lubricants (POL) Laboratories

    Data.gov (United States)

    Federal Laboratory Consortium — The Fuels and Lubricants Technology Team operates and maintains the Fuels and POL Labs at TARDEC. Lab experts adhere to standardized American Society for Testing and...

  12. a la política emancipatoria

    Directory of Open Access Journals (Sweden)

    Benjamín Arditi

    2007-01-01

    Full Text Available Este artículo explora la persistencia de la agitación en políticas de emancipación. Polemiza con la caracterización que hace Bismarck acerca de la política como “arte de lo posible” que fue retomada posteriormente como consigna por el realismo político. También toma distancia de las visiones escatológicas de la emancipación del tipo que asociamos con el jacobinismo. El propósito de esto es desestabilizar las fronteras entre lo posible y lo imposible y entre política revolucionaria y no revolucionaria. La agitación no es un remanente incómodo de la política caliente de antaño sino que sobrevive como periferia interna de la política institucional en democracias liberales. Funciona como un síntoma que impide el cierre de la política en un esquema plenamente normalizado o, lo que es igual, la agitación en combinación con la política emancipatoria hace surgir la “acontecimentalidad” del acontecimiento y permite vislumbrar el papel de lo imposible. Esto me permite introducir posteriormente una definición mínima de emancipación como disputa acerca de si las condiciones actuales impulsan o dañan la igualdad y la libertad, y si otro mundo es o no posible.

  13. Antithrombin III blood test

    Science.gov (United States)

    ... medlineplus.gov/ency/article/003661.htm Antithrombin III blood test To use the sharing features on this page, ... a protein that helps control blood clotting. A blood test can determine the amount of AT III present ...

  14. Involvement of specialized DNA polymerases Pol II, Pol IV and DnaE2 in DNA replication in the absence of Pol I in Pseudomonas putida

    International Nuclear Information System (INIS)

    Sidorenko, Julia; Jatsenko, Tatjana; Saumaa, Signe; Teras, Riho; Tark-Dame, Mariliis; Horak, Rita; Kivisaar, Maia

    2011-01-01

    The majority of bacteria possess a different set of specialized DNA polymerases than those identified in the most common model organism Escherichia coli. Here, we have studied the ability of specialized DNA polymerases to substitute Pol I in DNA replication in Pseudomonas putida. Our results revealed that P. putida Pol I-deficient cells have severe growth defects in LB medium, which is accompanied by filamentous cell morphology. However, growth of Pol I-deficient bacteria on solid rich medium can be restored by reduction of reactive oxygen species in cells. Also, mutants with improved growth emerge rapidly. Similarly to the initial Pol I-deficient P. putida, its adapted derivatives express a moderate mutator phenotype, which indicates that DNA replication carried out in the absence of Pol I is erroneous both in the original Pol I-deficient bacteria and the adapted derivatives. Analysis of the spectra of spontaneous Rif r mutations in P. putida strains lacking different DNA polymerases revealed that the presence of specialized DNA polymerases Pol II and Pol IV influences the frequency of certain base substitutions in Pol I-proficient and Pol I-deficient backgrounds in opposite ways. Involvement of another specialized DNA polymerase DnaE2 in DNA replication in Pol I-deficient bacteria is stimulated by UV irradiation of bacteria, implying that DnaE2-provided translesion synthesis partially substitutes the absence of Pol I in cells containing heavily damaged DNA.

  15. Involvement of specialized DNA polymerases Pol II, Pol IV and DnaE2 in DNA replication in the absence of Pol I in Pseudomonas putida

    Energy Technology Data Exchange (ETDEWEB)

    Sidorenko, Julia; Jatsenko, Tatjana; Saumaa, Signe; Teras, Riho; Tark-Dame, Mariliis; Horak, Rita [Department of Genetics, Institute of Molecular and Cell Biology, Tartu University and Estonian Biocentre, 23 Riia Street, 51010 Tartu (Estonia); Kivisaar, Maia, E-mail: maiak@ebc.ee [Department of Genetics, Institute of Molecular and Cell Biology, Tartu University and Estonian Biocentre, 23 Riia Street, 51010 Tartu (Estonia)

    2011-09-01

    The majority of bacteria possess a different set of specialized DNA polymerases than those identified in the most common model organism Escherichia coli. Here, we have studied the ability of specialized DNA polymerases to substitute Pol I in DNA replication in Pseudomonas putida. Our results revealed that P. putida Pol I-deficient cells have severe growth defects in LB medium, which is accompanied by filamentous cell morphology. However, growth of Pol I-deficient bacteria on solid rich medium can be restored by reduction of reactive oxygen species in cells. Also, mutants with improved growth emerge rapidly. Similarly to the initial Pol I-deficient P. putida, its adapted derivatives express a moderate mutator phenotype, which indicates that DNA replication carried out in the absence of Pol I is erroneous both in the original Pol I-deficient bacteria and the adapted derivatives. Analysis of the spectra of spontaneous Rif{sup r} mutations in P. putida strains lacking different DNA polymerases revealed that the presence of specialized DNA polymerases Pol II and Pol IV influences the frequency of certain base substitutions in Pol I-proficient and Pol I-deficient backgrounds in opposite ways. Involvement of another specialized DNA polymerase DnaE2 in DNA replication in Pol I-deficient bacteria is stimulated by UV irradiation of bacteria, implying that DnaE2-provided translesion synthesis partially substitutes the absence of Pol I in cells containing heavily damaged DNA.

  16. Metallothionein (MT)-III

    DEFF Research Database (Denmark)

    Carrasco, J; Giralt, M; Molinero, A

    1999-01-01

    and renamed as MT-III. In this study we have raised polyclonal antibodies in rabbits against recombinant rat MT-III (rMT-III). The sera obtained reacted specifically against recombinant zinc-and cadmium-saturated rMT-III, and did not cross-react with native rat MT-I and MT-II purified from the liver of zinc...... astrocyte migration in vitro, rMT-III promoted migration to a higher extent than MT-I+II. Thus, MT-III could not only affect neuronal sprouting as previously suggested, but also astrocyte function. Finally, MT-III protein levels of patients with Alzheimer's disease (AD) were, if anything, increased when...

  17. Acciones políticas con las que resisten la cultura política tradicional

    Directory of Open Access Journals (Sweden)

    Catalina María Tabares Ochoa

    2013-01-01

    Full Text Available El artículo presenta resultados de la investigación Jóvenes, formación política y participación democrática, cuyo objetivo principal fue identificar los discursos con los cuales los jóvenes reconfiguran la política. La metodología implementada fue la reflexividad dialógica basada en observaciones participantes, talleres de la memoria y entrevistas semiestructuradas, realizadas con jóvenes de Medellín articulados a colectivos artísticos, ecologistas, vegetarianistas, feministas y antimilitaristas. El texto se compone de tres partes: la primera, denominada contextos investigativos, ubica el problema de investigación y el referente teórico de la cultura política en su dimensión interpretativa en la Ciencia Política; la segunda, describe la imagen que del sistema político tienen los jóvenes, para finalmente mostrar cómo con sus acciones debaten y recrean espacios de socialización política como la familia, la iglesia, la escuela, los medios de comunicación y la calle, dotándolos de nuevos sentidos y significados políticos.

  18. Agendamento de Políticas Públicas

    Directory of Open Access Journals (Sweden)

    Rosane Rosa

    2011-07-01

    Full Text Available Aborda-se o conceito de advocacy e contra-agendamento como uma forma de a Sociedade Civil incluir suas causas na mídia, objetivando a tematização e a possibilidade de transformar-se em política pública. Analisa-se a reportagem “Uma conquista longe das ruas”; resultado de um agendamento compartilhado e que, em muitos aspectos, serve de referência para cobertura de políticas públicas sociais.

  19. Políticas y ambiente

    Directory of Open Access Journals (Sweden)

    Nicolás Cuvi

    2013-10-01

    Full Text Available La presente edición de Letras Verdes está dedicada al amplio tema de las interacciones entre las políticas y el ambiente. Las preguntas que planteamos tenían como fin convocar a reflexiones tanto sobre los cambios discursivos en las políticas ambientales en América Latina, como sobre los impactos materiales que éstas han tenido, al suscitar (o no procesos de transformación en la relación que mantenemos con nuestro entorno.

  20. La responsabilidad colectiva ante la crisis moral y política colombiana

    Directory of Open Access Journals (Sweden)

    Rodolfo Arango

    2013-01-01

    Full Text Available En este artículo se aborda en tres pasos la pregunta sobre la responsabilidad que el propio pueblo colombiano tiene frente a la situación de crisis que se vive: (i se explorarán algunos factores que pueden ofrecer luces sobre la actual crisis moral y política de Colombia, (ii se analiza la aceptabilidad de extender el concepto de responsabilidad a colectividades políticas y la importancia que dicha extensión tiene para la construcción de una ética pública, y (iii se sugieren algunos campos de acción que permitan aprender de la actual situación y tomar algunas medidas con miras al fortalecimiento de la democracia.

  1. Characterization of Mycobacterium smegmatis PolD2 and PolD1 as RNA/DNA polymerases homologous to the POL domain of bacterial DNA ligase D.

    Science.gov (United States)

    Zhu, Hui; Bhattarai, Hitesh; Yan, Han-Guang; Shuman, Stewart; Glickman, Michael S

    2012-12-21

    Mycobacteria exploit nonhomologous end-joining (NHEJ) to repair DNA double-strand breaks. The core NHEJ machinery comprises the homodimeric DNA end-binding protein Ku and DNA ligase D (LigD), a modular enzyme composed of a C-terminal ATP-dependent ligase domain (LIG), a central 3'-phosphoesterase domain (PE), and an N-terminal polymerase domain (POL). LigD POL is proficient at adding templated and nontemplated deoxynucleotides and ribonucleotides to DNA ends in vitro and is the catalyst in vivo of unfaithful NHEJ events involving nontemplated single-nucleotide additions to blunt DSB ends. Here, we identify two mycobacterial proteins, PolD1 and PolD2, as stand-alone homologues of the LigD POL domain. Biochemical characterization of PolD1 and PolD2 shows that they resemble LigD POL in their monomeric quaternary structures, their ability to add templated and nontemplated nucleotides to primer-templates and blunt ends, and their preference for rNTPs versus dNTPs. Deletion of polD1, polD2, or both from a Mycobacterium smegmatis strain carrying an inactivating mutation in LigD POL failed to reveal a role for PolD1 or PolD2 in templated nucleotide additions during NHEJ of 5'-overhang DSBs or in clastogen resistance. Whereas our results document the existence and characteristics of new stand-alone members of the LigD POL family of RNA/DNA polymerases, they imply that other polymerases can perform fill-in synthesis during mycobacterial NHEJ.

  2. Structure of the SSB-DNA polymerase III interface and its role in DNA replication

    Energy Technology Data Exchange (ETDEWEB)

    Marceau, Aimee H; Bahng, Soon; Massoni, Shawn C; George, Nicholas P; Sandler, Steven J; Marians, Kenneth J; Keck, James L [MSKCC; (UMASS, Amherst); (UW-MED)

    2012-05-22

    Interactions between single-stranded DNA-binding proteins (SSBs) and the DNA replication machinery are found in all organisms, but the roles of these contacts remain poorly defined. In Escherichia coli, SSB's association with the χ subunit of the DNA polymerase III holoenzyme has been proposed to confer stability to the replisome and to aid delivery of primers to the lagging-strand DNA polymerase. Here, the SSB-binding site on χ is identified crystallographically and biochemical and cellular studies delineate the consequences of destabilizing the χ/SSB interface. An essential role for the χ/SSB interaction in lagging-strand primer utilization is not supported. However, sequence changes in χ that block complex formation with SSB lead to salt-dependent uncoupling of leading- and lagging-strand DNA synthesis and to a surprising obstruction of the leading-strand DNA polymerase in vitro, pointing to roles for the χ/SSB complex in replisome establishment and maintenance. Destabilization of the χ/SSB complex in vivo produces cells with temperature-dependent cell cycle defects that appear to arise from replisome instability.

  3. Subjetividad política: intersectaciones afrodescendientes

    Directory of Open Access Journals (Sweden)

    Adriana Arroyo-Ortega

    2017-01-01

    Full Text Available En el presente artículo recogemos algunos hallazgos sobre la subjetividad política tomados de una investigación doctoral que se encuentra en curso y que explora la narración de una mujer joven afrodescendiente que, en su acción en un colectivo de la ciudad de Medellín, interroga las prácticas cotidianas de exclusión y precisa los intereses que en su lugar de ubicación ha venido desarrollando. En un primer momento, avanzamos sobre la subjetividad política mediante la reflexión que algunos investigadores e investigadoras han realizado al respecto en relación con lo expresado por esta mujer joven en su acción política, articulado posteriormente con una profundización sobre las implicaciones de la expansión de la subjetividad política de las mujeres jóvenes afrodescendientes, para finalizar con unas líneas conclusivas.

  4. Ingeniero, político, economista, inventor

    Directory of Open Access Journals (Sweden)

    Jimena Montaña Cuéllar

    2001-01-01

    Full Text Available Técnica y utopía. Biografía intelectual y política de Alejandro López, 1876-1940. Alberto Mayor Mora. Fondo Editorial Universidad Eafit, colección Cielos de Arena, Medellín, 2001, 621 págs., il.

  5. El marketing político

    Directory of Open Access Journals (Sweden)

    Alvaro H. Cifuentes G.

    2015-04-01

    Full Text Available RESUMEN Si un candidato desea ser elegido, las técnicas de marketing aplicadas a la política, le son imprescindibles. El marketing político (Politing es el análisis  metódico de los diferentes segmentos que integran el ámbito político de una sociedad y de los factores que puedan modificarlos. Se aplican al candidato, a los votantes, al análisis de la publicidad política, a los simpatizantes, a desconocedores  del partido y a los indecisos. Los candidatos colombianos lo están aplicando, y compañías nuestras exportan servicios  de asesoría de países suramericanos.Promocionar  un candidato implica estructurar una compañía tal como una empresa, aplicando técnicas de ventas, de fijación de cuotas y de planeación estratégica.

  6. Oposición política

    OpenAIRE

    Betancourt, Sergio Raimundo; Centeno, Daniel Félix; Luconi, Leonardo Martín; Viadana, Alejandro Daniel

    1991-01-01

    Fil: Betancourt, Sergio Raimundo. Universidad Nacional de Cuyo. Facultad de Ciencias Políticas y Sociales Fil: Centeno, Daniel Félix. Universidad Nacional de Cuyo. Facultad de Ciencias Políticas y Sociales Fil: Luconi, Leonardo Martín . Universidad Nacional de Cuyo. Facultad de Ciencias Políticas y Sociales Fil: Viadana, Alejandro Daniel. Univer...

  7. Trayectorias de vida, trayectorias políticas: ejercicios situados de política encarnada

    Directory of Open Access Journals (Sweden)

    Gabriela Montiel

    2016-08-01

    Full Text Available rayectorias de vida, trayectorias políticas: ejercicios situados de una política encarnada, es una invitación a repensar la política y lo político ubicando como pauta de enunciación los cuerpos. Corporalidades que no se configuran a solas, sino que son atravesadas constantemente por discursos de poder (orden, alimentación, belleza, deseo, movilidad, agencia, subordinación, represión. Esta tesis la fuimos tejiendo mediante la narrativa de vida de la mano del Método Biográfico (Sautu, 2004, la propuesta de investigación feminista del Conocimiento Situado (Haraway, 1989 y en cuanto al cuerpo teórico para el análisis concretamente la línea de reflexión desde los Feminismos decoloniales en relación a las identidades políticas y movimientos sociales (Flórez, 2010 y el Transfeminismo (Álvarez Castillo, 2014; Preciado, 2013; Solá, 2013; Sentamans, 2013. ¿Qué implica encarnar la política? Responder a esta pregunta es el objetivo a lo largo de este diálogo entre tres compañeras artistas y mi persona, posicionando este cuerpo situado como principal pauta de enunciación.

  8. Amor y política.

    OpenAIRE

    Hernando Bernal.

    1998-01-01

    Este trabajo pretende hacer una serie de consideraciones que apuntan sobre todo a extraer una definición de lo que es «la política» para el psicoanálisis a partir de una observación que hace Jacques Alain Miller en su texto Lógicas de la vida amorosa sobre cómo Freud introduce una «teoría política» a partir de su texto Psicología de las masas y análisis del yo.En dicho texto Freud hace ver el poder ordenador y apaciguador del amor) significante amo) en la medida en que una masa no es más que ...

  9. Hans Kelsen: pensador político

    Directory of Open Access Journals (Sweden)

    Sara Lagi

    2011-01-01

    Full Text Available Hasta la publicación de Sobre la esencia y el valor de la democracia, Hans Kelsen era solo conocido como experto en derecho público. El valor de este artículo de Lagi radica en rescatar de la obra kelseniana un aspecto casi por completo olvidado por la crítica, a saber, sus análisis sobre el significado y las características de la democracia parlamentaria en los Estados modernos. Se aborda la cuestión no solo desde el debate teórico sino también desde su contexto histórico¿político. La teoría política de Kelsen es considerada una parte integral de su doctrina central, presentada en Teoría pura del derecho, su obra más conspicua. Un análisis del trabajo sobre la esencia y el valor de la democracia nos restituye la imagen de un Kelsen como original pensador político. Se analizan las dos ediciones de Sobre la esencia y el valor de la democracia (1920¿1929 con estos propósitos: comprender por qué decidió dedicarse a la teoría de la democracia un teórico que rigurosamente defendió la separación de la esfera jurídica respecto de la historia, la filosofía y la política; y por qué no se limitó a explicar la esencia de la democracia sino que decidió concentrarse en clarificar qué se entiende por valor de la democracia.

  10. Novela policiaca, novela política

    Directory of Open Access Journals (Sweden)

    José Colmeiro

    2015-10-01

    Full Text Available Uno de los aspectos más significativos de la evolución de la novela policiaca en España en la última parte del siglo XX ha sido su transformación en un género político, utilizado a menudo como instrumento de observación social y crítica cultural, así como un espacio de resistencia política y subversión ideológica del statu quo por parte de muchos escritores españoles, durante y después del régimen de Franco. La novela negra ha tendido a ofrecer una visión desestabilizadora del crimen en la sociedad, exponiendo los aspectos represivos, el castigo y el control social, centrándose en poner de manifiesto las causas sociales y políticas subyacentes de la delincuencia. En los últimos años, particularmente con la aparición de un número de escritoras de novela negra y de una mayor sensibilidad hacia planteamientos no heteronormativos, el género ha servido también como espacio de exploración, crítica y subversión de los valores patriarcales y del masculinismo característico de los modelos clásicos, como una nueva forma de autocuestionamiento genérico.

  11. NNDSS - Table III. Tuberculosis

    Data.gov (United States)

    U.S. Department of Health & Human Services — NNDSS - Table III. Tuberculosis - 2017.This Table includes total number of cases reported in the United States, by region and by states, in accordance with the...

  12. Workshop 96. Part III

    International Nuclear Information System (INIS)

    1995-12-01

    Part III of the proceedings contain 155 contributions in various fields of science and technology including nuclear engineering, environmental science, and biomedical engineering. Out of these, 10 were selected to be inputted in INIS. (P.A.)

  13. Van der Pol and the history of relaxation oscillations: Toward the emergence of a concept

    Science.gov (United States)

    Ginoux, Jean-Marc; Letellier, Christophe

    2012-06-01

    Relaxation oscillations are commonly associated with the name of Balthazar van der Pol via his paper (Philosophical Magazine, 1926) in which he apparently introduced this terminology to describe the nonlinear oscillations produced by self-sustained oscillating systems such as a triode circuit. Our aim is to investigate how relaxation oscillations were actually discovered. Browsing the literature from the late 19th century, we identified four self-oscillating systems in which relaxation oscillations have been observed: (i) the series dynamo machine conducted by Gérard-Lescuyer (1880), (ii) the musical arc discovered by Duddell (1901) and investigated by Blondel (1905), (iii) the triode invented by de Forest (1907), and (iv) the multivibrator elaborated by Abraham and Bloch (1917). The differential equation describing such a self-oscillating system was proposed by Poincaré for the musical arc (1908), by Janet for the series dynamo machine (1919), and by Blondel for the triode (1919). Once Janet (1919) established that these three self-oscillating systems can be described by the same equation, van der Pol proposed (1926) a generic dimensionless equation which captures the relevant dynamical properties shared by these systems. Van der Pol's contributions during the period of 1926-1930 were investigated to show how, with Le Corbeiller's help, he popularized the "relaxation oscillations" using the previous experiments as examples and, turned them into a concept.

  14. Potent microRNA suppression by RNA Pol II-transcribed ‘Tough Decoy’ inhibitors

    Science.gov (United States)

    Bak, Rasmus O.; Hollensen, Anne Kruse; Primo, Maria Nascimento; Sørensen, Camilla Darum; Mikkelsen, Jacob Giehm

    2013-01-01

    MicroRNAs (miRNAs) are key regulators of gene expression and modulators of diverse biological pathways. Analyses of miRNA function as well as therapeutic managing of miRNAs rely on cellular administration of miRNA inhibitors which may be achieved by the use of viral vehicles. This study explores the miRNA-suppressive capacity of inhibitors expressed intracellularly from lentivirus-derived gene vectors. Superior activity of two decoy-type inhibitors, a “Bulged Sponge” with eight miRNA recognition sites and a hairpin-shaped “Tough Decoy” containing two miRNA recognition sites, is demonstrated in a side-by-side comparison of seven types of miRNA inhibitors transcribed as short RNAs from an RNA Pol III promoter. We find that lentiviral vectors expressing Tough Decoy inhibitors are less vulnerable than Bulged Sponge-encoding vectors to targeting by the cognate miRNA and less prone, therefore, to reductions in transfer efficiency. Importantly, it is demonstrated that Tough Decoy inhibitors retain their miRNA suppression capacity in the context of longer RNA transcripts expressed from an RNA Pol II promoter. Such RNA Pol II-transcribed Tough Decoy inhibitors are new tools in managing of miRNAs and may have potential for temporal and spatial regulation of miRNA activity as well as for therapeutic targeting of miRNAs that are aberrantly expressed in human disease. PMID:23249752

  15. A Polícia e suas Polícias: Clientela, Hierarquia, Soldado e Bandido

    OpenAIRE

    Azevedo, Erika Ferreira de

    2017-01-01

    Resumo A polícia militar representa um braço do Estado e apresenta-se para a população de forma contundente, ostensiva e, por vezes, brutal, não só para a sociedade como para ela mesma. Através da Análise Institucional do Discurso, a pesquisa aqui relatada teve como objetivo estudar os efeitos de reconhecimento e desconhecimento das relações no trabalho que permeiam o discurso de soldados da polícia militar: como estes falam de seu trabalho e, através desta fala, posicionam-se e posicionam su...

  16. Elecciones 2003: spots políticos y cultura política

    OpenAIRE

    Concepción Virriel

    2004-01-01

    El presente trabajo aborda el tema de las elecciones federales de 2003, en especial el fenómeno del abstencionismo. Para ello se vincula el comportamiento electoral en dichas elecciones con la cultura política, en donde los aspectos básicos son la cultura del fraude heredada de los gobiernos priístas y la redefinición de los partidos políticos ante una nueva coyuntura, y cómo éstos aspectos influyeron en la forma de comunicarse mediante sus spots. El análisis de dichos spots comprende el anál...

  17. As armadilhas do tripé da política macroeconômica brasileira

    Directory of Open Access Journals (Sweden)

    ANDRÉ NASSIF

    2015-09-01

    Full Text Available RESUMOEste artigo analisa o chamado tripé da política macroeconômica brasileira, que desde 1999 tem combinado um regime de metas de inflação, um regime de taxa de câmbio flutuante e metas de superávit fiscal primário. A menos que o seu modus operandi seja alterado, o tripé não será capaz de libertar a economia brasileira de outra "possível trindade": altas taxas de juros reais, a apreciação da taxa de câmbio real e crescimento econômico muito baixo. Depois de analisar brevemente a base teórica sob o tripé macroeconômico, o artigo mostra por que este regime de política macroeconômica, se avaliado numa perspectiva de longo ou médio prazo, não tem sido capaz de garantir a estabilidade dos preços nem o crescimento econômico. Além da sugestão de romper com a estratégia brasileira de crescer com poupança externa, o documento também sugere três principais formas de mudar o modus operandi do tripé brasileiro: i aumentar o horizonte de tempo para atingir a meta de inflação, como tem sido o experiência da maioria dos países que adotam esse regime de política monetária; ii restaurar o papel anticíclico da política fiscal brasileira; e iii adotar uma combinação de mecanismos que visem prevenir que a moeda brasileira entre em uma nova tendência cíclica da apreciação em termos reais.

  18. Solution structure of an "open" E. coli Pol III clamp loader sliding clamp complex.

    Science.gov (United States)

    Tondnevis, Farzaneh; Weiss, Thomas M; Matsui, Tsutomu; Bloom, Linda B; McKenna, Robert

    2016-06-01

    Sliding clamps are opened and loaded onto primer template junctions by clamp loaders, and once loaded on DNA, confer processivity to replicative polymerases. Previously determined crystal structures of eukaryotic and T4 clamp loader-clamp complexes have captured the sliding clamps in either closed or only partially open interface conformations. In these solution structure studies, we have captured for the first time the clamp loader-sliding clamp complex from Escherichia coli using size exclusion chromatography coupled to small angle X-ray scattering (SEC-SAXS). The data suggests the sliding clamp is in an open conformation which is wide enough to permit duplex DNA binding. The data also provides information about spatial arrangement of the sliding clamp with respect to the clamp loader subunits and is compared to complex crystal structures determined from other organisms. Published by Elsevier Inc.

  19. RNA polymerase III regulates cytosolic RNA:DNA hybrids and intracellular microRNA expression.

    Science.gov (United States)

    Koo, Christine Xing'er; Kobiyama, Kouji; Shen, Yu J; LeBert, Nina; Ahmad, Shandar; Khatoo, Muznah; Aoshi, Taiki; Gasser, Stephan; Ishii, Ken J

    2015-03-20

    RNA:DNA hybrids form in the nuclei and mitochondria of cells as transcription-induced R-loops or G-quadruplexes, but exist only in the cytosol of virus-infected cells. Little is known about the existence of RNA:DNA hybrids in the cytosol of virus-free cells, in particular cancer or transformed cells. Here, we show that cytosolic RNA:DNA hybrids are present in various human cell lines, including transformed cells. Inhibition of RNA polymerase III (Pol III), but not DNA polymerase, abrogated cytosolic RNA:DNA hybrids. Cytosolic RNA:DNA hybrids bind to several components of the microRNA (miRNA) machinery-related proteins, including AGO2 and DDX17. Furthermore, we identified miRNAs that are specifically regulated by Pol III, providing a potential link between RNA:DNA hybrids and the miRNA machinery. One of the target genes, exportin-1, is shown to regulate cytosolic RNA:DNA hybrids. Taken together, we reveal previously unknown mechanism by which Pol III regulates the presence of cytosolic RNA:DNA hybrids and miRNA biogenesis in various human cells. © 2015 by The American Society for Biochemistry and Molecular Biology, Inc.

  20. RNA Polymerase III Regulates Cytosolic RNA:DNA Hybrids and Intracellular MicroRNA Expression*

    Science.gov (United States)

    Koo, Christine Xing'er; Kobiyama, Kouji; Shen, Yu J.; LeBert, Nina; Ahmad, Shandar; Khatoo, Muznah; Aoshi, Taiki; Gasser, Stephan; Ishii, Ken J.

    2015-01-01

    RNA:DNA hybrids form in the nuclei and mitochondria of cells as transcription-induced R-loops or G-quadruplexes, but exist only in the cytosol of virus-infected cells. Little is known about the existence of RNA:DNA hybrids in the cytosol of virus-free cells, in particular cancer or transformed cells. Here, we show that cytosolic RNA:DNA hybrids are present in various human cell lines, including transformed cells. Inhibition of RNA polymerase III (Pol III), but not DNA polymerase, abrogated cytosolic RNA:DNA hybrids. Cytosolic RNA:DNA hybrids bind to several components of the microRNA (miRNA) machinery-related proteins, including AGO2 and DDX17. Furthermore, we identified miRNAs that are specifically regulated by Pol III, providing a potential link between RNA:DNA hybrids and the miRNA machinery. One of the target genes, exportin-1, is shown to regulate cytosolic RNA:DNA hybrids. Taken together, we reveal previously unknown mechanism by which Pol III regulates the presence of cytosolic RNA:DNA hybrids and miRNA biogenesis in various human cells. PMID:25623070

  1. Delineation of the Exact Transcription Termination Signal for Type 3 Polymerase III

    Directory of Open Access Journals (Sweden)

    Zongliang Gao

    2018-03-01

    Full Text Available Type 3 Pol III promoters such as U6 are widely used for expression of small RNAs, including short hairpin RNA for RNAi applications and guide RNA in CRISPR genome-editing platforms. RNA polymerase III uses a T-stretch as termination signal, but the exact properties have not been thoroughly investigated. Here, we systematically measured the in vivo termination efficiency and the actual site of termination for different T-stretch signals in three commonly used human Pol III promoters (U6, 7SK, and H1. Both the termination efficiency and the actual termination site depend on the T-stretch signal. The T4 signal acts as minimal terminator, but full termination efficiency is reached only with a T-stretch of ≥6. The termination site within the T-stretch is quite heterogeneous, and consequently small RNAs have a variable U-tail of 1–6 nucleotides. We further report that such variable U-tails can have a significant negative effect on the functionality of the crRNA effector of the CRISPR-AsCpf1 system. We next improved these crRNAs by insertion of the HDV ribozyme to avoid U-tails. This study provides detailed design guidelines for small RNA expression cassettes based on Pol III.

  2. A structural role for the PHP domain in E. coli DNA polymerase III.

    Science.gov (United States)

    Barros, Tiago; Guenther, Joel; Kelch, Brian; Anaya, Jordan; Prabhakar, Arjun; O'Donnell, Mike; Kuriyan, John; Lamers, Meindert H

    2013-05-14

    In addition to the core catalytic machinery, bacterial replicative DNA polymerases contain a Polymerase and Histidinol Phosphatase (PHP) domain whose function is not entirely understood. The PHP domains of some bacterial replicases are active metal-dependent nucleases that may play a role in proofreading. In E. coli DNA polymerase III, however, the PHP domain has lost several metal-coordinating residues and is likely to be catalytically inactive. Genomic searches show that the loss of metal-coordinating residues in polymerase PHP domains is likely to have coevolved with the presence of a separate proofreading exonuclease that works with the polymerase. Although the E. coli Pol III PHP domain has lost metal-coordinating residues, the structure of the domain has been conserved to a remarkable degree when compared to that of metal-binding PHP domains. This is demonstrated by our ability to restore metal binding with only three point mutations, as confirmed by the metal-bound crystal structure of this mutant determined at 2.9 Å resolution. We also show that Pol III, a large multi-domain protein, unfolds cooperatively and that mutations in the degenerate metal-binding site of the PHP domain decrease the overall stability of Pol III and reduce its activity. While the presence of a PHP domain in replicative bacterial polymerases is strictly conserved, its ability to coordinate metals and to perform proofreading exonuclease activity is not, suggesting additional non-enzymatic roles for the domain. Our results show that the PHP domain is a major structural element in Pol III and its integrity modulates both the stability and activity of the polymerase.

  3. Fusion Power Demonstration III

    International Nuclear Information System (INIS)

    Lee, J.D.

    1985-07-01

    This is the third in the series of reports covering the Fusion Power Demonstration (FPD) design study. This volume considers the FPD-III configuration that incorporates an octopole end plug. As compared with the quadrupole end-plugged designs of FPD-I and FPD-II, this octopole configuration reduces the number of end cell magnets and shortens the minimum ignition length of the central cell. The end-cell plasma length is also reduced, which in turn reduces the size and cost of the end cell magnets and shielding. As a contiuation in the series of documents covering the FPD, this report does not stand alone as a design description of FPD-III. Design details of FPD-III subsystems that do not differ significantly from those of the FPD-II configuration are not duplicated in this report

  4. Fusion Power Demonstration III

    Energy Technology Data Exchange (ETDEWEB)

    Lee, J.D. (ed.)

    1985-07-01

    This is the third in the series of reports covering the Fusion Power Demonstration (FPD) design study. This volume considers the FPD-III configuration that incorporates an octopole end plug. As compared with the quadrupole end-plugged designs of FPD-I and FPD-II, this octopole configuration reduces the number of end cell magnets and shortens the minimum ignition length of the central cell. The end-cell plasma length is also reduced, which in turn reduces the size and cost of the end cell magnets and shielding. As a contiuation in the series of documents covering the FPD, this report does not stand alone as a design description of FPD-III. Design details of FPD-III subsystems that do not differ significantly from those of the FPD-II configuration are not duplicated in this report.

  5. Política, violencia y literatura

    Directory of Open Access Journals (Sweden)

    Kohut, Karl

    2002-06-01

    Full Text Available Tomando como punto de partida la opinión general de que América Latina es el continente violento por excelencia y la hipótesis defendida por Ariel Dorfman (1972 se analiza aquí la cuestión de la violencia política, ciñéndose a la literatura de la segunda mitad del siglo XX. Tras discutir las definiciones (divergentes de la violencia propuestas por la filosofía política, se pasa a una fenomenología de la violencia en la literatura, examinando hasta qué punto y en qué sentido ésta sería el carácter distintivo de la literatura latinoamericana. Finalmente, se analiza la metarreflexión sobre la violencia política en la literatura ficcional, centrándose en tres puntos: (1 el (presunto ser violento del mundo latinoamericano, (2 la violencia estatal, y (3 la violencia de la resistencia. Se constata, entre otras cosas, que ha habido una tendencia a atacar la violencia estatal y defender la de la resistencia; tendencia comprensible en tiempos de dictadura, pero que se vuelve problemática bajo una democracia. Dos preguntas cierran este trabajo: hasta qué punto la violencia es un fenómeno de la cultura, que crece en su mismo seno, y no un fenómeno extracultural dirigido contra ella, y hasta dónde la libertad individual y la seguridad cívica pueden ser conciliadas, punto que ha ocupado un lugar central en la discusión internacional después de los acontecimientos del 11 de septiembre.

  6. La polémica del nacionalismo

    Directory of Open Access Journals (Sweden)

    Germán Posada

    1961-10-01

    Full Text Available La polémica empezó con el artículo de Hernando Téllez, hace veinte días. Con el pretexto de defender a los escritores de su propia generación, a quienes, según él, se viene acusando sistemáticamente de producir una literatura desarraigada y ausente de la vida nacional, Téllez se lanzó a combatir las teorías de " nacionalismo literario'' que actualmente se agitan en Colombia.

  7. Amor y política.

    Directory of Open Access Journals (Sweden)

    Hernando Bernal.

    1998-09-01

    Full Text Available Este trabajo pretende hacer una serie de consideraciones que apuntan sobre todo a extraer una definición de lo que es «la política» para el psicoanálisis a partir de una observación que hace Jacques Alain Miller en su texto Lógicas de la vida amorosa sobre cómo Freud introduce una «teoría política» a partir de su texto Psicología de las masas y análisis del yo.En dicho texto Freud hace ver el poder ordenador y apaciguador del amor significante amo en la medida en que una masa no es más que el amor uniendo a muchas personas y reiterado en cada una de ellas. Las fuerzas armadas y la Iglesia son un buen ejemplo de ello.Pero a pesar de la cohesión amorosa de la humanidad por el poder unificante del amor, resta siempre un malestar. El malestar que persiste en la cultura testimonia del fracaso del amor para resolver el empuje del hombre a satisfacerse con el mal. El significante amo no parece entonces solucionar la paradoja del goce. De aquí que preguntarse sobre adónde vaya el goce en el orden social sea también, para el psicoanálisis, una cuestión política. Jacques- Alain Miller observa, en su texto Lógicas de la vida amorosa, cómo, a partir de la Psicología de las masas y análisis del yo, se puede extraer de Freud una «teoría política», que se vincula muy estrechamente con el amor. Esto porque La Psicología de las masas... enseña sobre el poder ordenador y apaciguador del amor, o mejor, del significante «amor» como significante Amo, lo que se puede escribir de la siguiente manera con ayuda de la «teoría de los discursos» o «teoría del vínculo social» de Lacan.

  8. III-V microelectronics

    CERN Document Server

    Nougier, JP

    1991-01-01

    As is well known, Silicon widely dominates the market of semiconductor devices and circuits, and in particular is well suited for Ultra Large Scale Integration processes. However, a number of III-V compound semiconductor devices and circuits have recently been built, and the contributions in this volume are devoted to those types of materials, which offer a number of interesting properties. Taking into account the great variety of problems encountered and of their mutual correlations when fabricating a circuit or even a device, most of the aspects of III-V microelectronics, from fundamental p

  9. Políticas de reconhecimento uma novidade das políticas sociais do PT?

    Directory of Open Access Journals (Sweden)

    Krischke, Paulo Jose Duval da Silva

    2004-01-01

    Full Text Available O presente trabalho levanta a hipótese de que as ações de governo do PT estão inovando significativamente na necessária convergência (cf. Fraser, 1999; Honnetch, 2003 entre as tradicionais políticas de redistribuição sócio-econômica, e uma nova diretriz de reconhecimento das diferenças sócio-políticas e culturais. O argumento retoma a trajetória sindical do PT e os efeitos das políticas participativas, nas mudanças da cultura política em várias partes do país. Entre esses efeitos, o crescente apoio à democracia parece relacionar-se ao reconhecimento do direito à diferença e ao pluralismo - principalmente entre a juventude e naqueles locais onde o PT tem governado na última década

  10. Characterization of family D DNA polymerase from Thermococcus sp. 9°N.

    Science.gov (United States)

    Greenough, Lucia; Menin, Julie F; Desai, Nirav S; Kelman, Zvi; Gardner, Andrew F

    2014-07-01

    Accurate DNA replication is essential for maintenance of every genome. All archaeal genomes except Crenarchaea, encode for a member of Family B (polB) and Family D (polD) DNA polymerases. Gene deletion studies in Thermococcus kodakaraensis and Methanococcus maripaludis show that polD is the only essential DNA polymerase in these organisms. Thus, polD may be the primary replicative DNA polymerase for both leading and lagging strand synthesis. To understand this unique archaeal enzyme, we report the biochemical characterization of a heterodimeric polD from Thermococcus. PolD contains both DNA polymerase and proofreading 3'-5' exonuclease activities to ensure efficient and accurate genome duplication. The polD incorporation fidelity was determined for the first time. Despite containing 3'-5' exonuclease proofreading activity, polD has a relatively high error rate (95 × 10(-5)) compared to polB (19 × 10(-5)) and at least 10-fold higher than the polB DNA polymerases from yeast (polε and polδ) or Escherichia coli DNA polIII holoenzyme. The implications of polD fidelity and biochemical properties in leading and lagging strand synthesis are discussed.

  11. A transcription fork model for Pol IV and Pol V-dependent RNA-directed DNA methylation.

    Science.gov (United States)

    Pikaard, C S; Haag, J R; Pontes, O M F; Blevins, T; Cocklin, R

    2012-01-01

    In Arabidopsis thaliana, nuclear multisubunit RNA polymerase IV (Pol IV) and RNA-DEPENDENT RNA POLYMERASE 2 (RDR2) are required for the biogenesis of 24-nucleotide small interfering RNAs (siRNAs) that direct DNA methylation and transcriptional silencing at target loci transcribed by nuclear multisubunit RNA polymerase V (Pol V). Pol IV and RDR2 physically associate and RDR2's polymerase activity in vitro is dependent on Pol IV. RDR2 transcription of nascent Pol IV transcripts might result in discontinuous second strands, analogous to lagging-strand Okazaki fragments generated during DNA replication. In vitro, Pol V is unable to displace nontemplate DNA during transcriptional elongation. This suggests a need for DNA duplex unwinding by helper proteins, perhaps analogous to the helicase-mediated duplex unwinding that occurs at replication forks to enable leading strand synthesis by DNA polymerase ε. A multiprotein complex (DRD1, DMS3, DMS11, RDM1) known to enable Pol V transcription might facilitate duplex unwinding via ATP-dependent DNA translocase, single-stranded DNA binding, and cohesin-like strand capture activities. These considerations are discussed and incorporated into a "transcription fork" model for Pol IV and Pol V-dependent RNA-directed DNA methylation.

  12. Dinâmica Institucional, Políticas Públicas e o Desempenho Político Ambiental Brasileiro

    Directory of Open Access Journals (Sweden)

    Diego de Freitas Rodrigues

    2011-12-01

    Full Text Available Este estudo buscou analisar os efeitos da interdependência entre instituições políticas e modelos de desenvolvimento no desempenho de políticas ambientais no Brasil. A hipótese central do trabalho é que, dada a interdependência entre os organismos responsáveis pelas políticas ambientais e padrões de desenvolvimento pouco responsivos à complexidade ambiental, ocorre uma dispersão de poder decisório incentivando o modelo de desenvolvimento de alto carbono. Além de revisão da literatura em Políticas Públicas e Economia Ecológica, foram operacionalizadas (1 uma análise do desenho político-institucional brasileiro e (2 o quadro de gastos públicos do governo federal brasileiro com meio ambiente. Dois resultados foram observados: 1o o desenho e as competências das instituições políticas responsáveis pela formulação e implementação de políticas públicas interferem na maior eficiência de políticas ambientais; 2o quanto maior a abertura institucional, maior a tendência de paralisia decisória na formulação e implementação de políticas públicas ambientais.

  13. Cobalt(III) complex

    Indian Academy of Sciences (India)

    Administrator

    CO. –. 2 radi- cals with [Co(III)(phendione)2Cl2]Cl (complex) have been studied by electron pulse radiolysis. Time resolved transient absorption spectra for all the four species show two peaks which match with those of phendione anion radical produced by the reaction of e. – aq with phendione. However, there are some ...

  14. Summary of Session III

    International Nuclear Information System (INIS)

    Furman, M.A.

    2002-01-01

    This is a summary of the talks presented in Session III ''Simulations of Electron-Cloud Build Up'' of the Mini-Workshop on Electron-Cloud Simulations for Proton and Positron Beams ECLOUD-02, held at CERN, 15-18 April 2002

  15. (Afrique francophone) - Phase III

    International Development Research Centre (IDRC) Digital Library (Canada)

    Programme de troisième cycle interuniversitaire en économie (Afrique francophone) - Phase III. Les deux premières phases du projet ... L'Initiative des conseils subventionnaires de la recherche scientifique en Afrique subsaharienne remporte le prix de la diplomatie scientifique. L'Initiative des conseils subventionnaires de ...

  16. Croce, Gramsci e a "autonomia da política"

    Directory of Open Access Journals (Sweden)

    Álvaro Bianchi

    2007-11-01

    Full Text Available Na reflexão que Gramsci desenvolveu nos Quaderni del carcere, o tema da autonomia da política ocupa uma importante posição. Foi com base nessa reflexão que Gramsci desenvolveu sua pesquisa a respeito de política e da possibilidade de uma ciência política. Segundo Benedetto Croce, cabia a Nicolau Maquiavel o mérito de ter afirmado pela primeira vez a autonomia da política. Para Croce, essa autonomia permitia estabelecer uma distinção radical entre ética e política e entre "filosofia da política" e "ciência empírica da política". Gramsci tomou criticamente a reflexão croceana como ponto de partida de sua leitura de Maquiavel. O reconhecimento da autonomia da política implicava que esta não poderia ser reduzida à religião ou à ética. Como campo do conhecimento e como atividade, a ciência política e a política tinham regras próprias, que as distinguiam de outras formas do conhecimento e da atividade humana. Mas tal "autonomia" não implicava, para o marxista sardo, uma separação radical entre política e moral. Por essa razão, Gramsci encontrava em Maquiavel um precursor da filosofia da práxis em sentido pleno, ou seja, o criador de uma "ciência-ação revolucionária".

  17. Adeus à política

    Directory of Open Access Journals (Sweden)

    Manoel Mendonça Filho

    2012-01-01

    Full Text Available O artigo trata as questões do "Estado" e da "Política" partindo do exemplo concreto do processo de institucionalização, no Brasil, de práticas profissionais em psicologia reconhecidas como Análise Institucional (vertente grupalista francesa consideravelmente difundida nos últimos 20 anos. Trabalho para expor uma face menos visível da judicialização que funciona ao nível das concepções, crenças e valores entre os operadores dos equipamentos onde se materializam as políticas públicas engendradas pelo excesso legalista. Dentre as modalidades desse apego à lei, toma-se em análise aquela mais próxima de nossas práticas de funcionalismo público marcando o índice de grau máximo de sua institucionalização: a aceitação consensual da competência como critério de legitimidade na operação dos "instrumentos da violência institucional".

  18. The MMT-POL Instrument Control System

    Science.gov (United States)

    Warner, C.; Packham, C.; Jones, T. J.; Varosi, F.; Eikenberry, S. S.; Dewahl, K.; Krejny, M.

    2011-07-01

    Instrument control system (ICS) suites are a continually evolving class of software packages that are highly dependent upon the design choices and application programming interfaces (APIs) of the observatory control system (OCS), as well as the hardware choices for motors and electronics. We present the ICS for MMT-POL, a 1-5 μm polarimeter for the MMT telescope, in the context of being a transitional step between the software packages developed for facility class instruments at the University of Florida (UF), such as Flamingos-II and CanariCam, and in preparation for 30 m-class instruments. Our goals for improving ICS suites are to make them (a) portable (compile once, run anywhere), (b) highly modular and extensible (through the re-use of common libraries), (c) multi-threaded (to allow multiple tasks to be performed in parallel), (d) smart, and (e) easy to use and maintain. An ICS should also be well-defined and use mature languages (we choose Java and Python) and common standards (such as XML and the FITS file format). We also note that as hardware moves away from serial communications to ethernet, the use of TCP sockets makes communication faster and easier. Below, we present our design choices for the MMT-POL ICS and discuss our reasons for these choices and potential issues that must be addressed for future ICS suites ready for thirty meter class instruments.

  19. Cultura Política na Antiguidade

    Directory of Open Access Journals (Sweden)

    José Petrúcio Farias Júnior

    2009-06-01

    Full Text Available

    Pretendemos discutir nesse artigo algumas implicações do termo cultura política na Antiguidade, especificamente, na sociedade romana imperial. Dessa forma, acreditamos que as considerações que apresentaremos a seguir contribuam para reflexão da utilização desse termo, produto das investigações contemporâneas, sobre os estudos das sociedades antigas. Para a historiadora Profa. Dra. Margarida Maria de Carvalho, tais reflexões representam ainda uma lacuna na historiografia concernente a essa temática. Isso posto, discorreremos, inicialmente, sobre o conceito de cultura e seus desdobramentos para, em seguida, refletirmos sobre o viés interpretativo que fundamenta estudos históricos que se desenvolvem sob o beneplácito da linha de pesquisa intitulada História e Cultura Política.

  20. Política de los intelectuales

    Directory of Open Access Journals (Sweden)

    Todorov Tzevetan

    1998-06-01

    Full Text Available ¿Qué es un intelectual? Por lo que a mi respecta, limito el uso de este término de la siguiente manera: es un estudioso o un artista (categoria que incluye a los escritores que no se contenta con realizar trabajos cientificos o con la creación de una obra de arte, que no se contenta, por lo tanto, con una méra búsqueda de lo verdadero y con un méro desarrollo de lo bello, sino que siente asimismo comprometido con la noción de bienestar público, con los valores de la sociedad en la que vive, es alguien que participa en el debate sobre esos mismos valores. El intelectual así entendido se halla muy lejos del artista o del estudioso a quienes no preocupan en absoluto las dimensiones políticas o éticas de sus obras; muy lejos también, del predicador o del político profesional, que no crean obra alguna.

  1. DNA Polymerase III, but Not Polymerase IV, Must Be Bound to a τ-Containing DnaX Complex to Enable Exchange into Replication Forks.

    Science.gov (United States)

    Yuan, Quan; Dohrmann, Paul R; Sutton, Mark D; McHenry, Charles S

    2016-05-27

    Examples of dynamic polymerase exchange have been previously characterized in model systems provided by coliphages T4 and T7. Using a dominant negative D403E polymerase (Pol) III α that can form initiation complexes and sequester primer termini but not elongate, we investigated the possibility of exchange at the Escherichia coli replication fork on a rolling circle template. Unlike other systems, addition of polymerase alone did not lead to exchange. Only when D403E Pol III was bound to a τ-containing DnaX complex did exchange occur. In contrast, addition of Pol IV led to rapid exchange in the absence of bound DnaX complex. Examination of Pol III* with varying composition of τ or the alternative shorter dnaX translation product γ showed that τ-, τ2-, or τ3-DnaX complexes supported equivalent levels of synthesis, identical Okazaki fragment size, and gaps between fragments, possessed the ability to challenge pre-established replication forks, and displayed equivalent susceptibility to challenge by exogenous D403E Pol III*. These findings reveal that redundant interactions at the replication fork must stabilize complexes containing only one τ. Previously, it was thought that at least two τs in the trimeric DnaX complex were required to couple the leading and lagging strand polymerases at the replication fork. Possible mechanisms of exchange are discussed. © 2016 by The American Society for Biochemistry and Molecular Biology, Inc.

  2. O conceito de liberdade política em Montesquieu

    Directory of Open Access Journals (Sweden)

    Maria Beatriz Nizza da Silva

    1969-06-01

    Full Text Available O primeiro passo na análise do conceito de liberdade política, tal como êle se nos apresenta em De l'esprit des lois, deverá assina-lar uma diferença, fundamental para Montesquieu, entre "liberdade filosófica" e "liberdade política".

  3. Estudo Pré-Clínico de Stent com Polímero Biodegradável e Liberação Abluminal de Sirolimus

    Directory of Open Access Journals (Sweden)

    Celso Kiyochi Takimura

    2014-06-01

    Full Text Available Fundamento: Stents recobertos com polímeros bioabsorvíveis e fármacos apenas na face abluminal podem ser mais seguros que stents farmacológicos com polímeros permanentes. Objetivo: Relatar os resultados experimentais com o stent Inspiron(r, um stent recoberto com polímero bioabsorvível e com liberação de sirolimus apenas da face abluminal, recentemente aprovado para uso clínico. Métodos: Foram implantados 45 stents nas artérias coronárias de 15 porcos e, no 28° dia pós-implante, foram obtidos os resultados angiográficos, de ultrassonografia intracoronária e de histomorfologia. Cinco grupos foram avaliados: Grupo I (nove stents sem recobrimento; Grupo II (nove stents com polímero bioabsorvível nas faces luminal e abluminal; Grupo III (oito stents com polímero bioabsorvível na face abluminal; Grupo IV (nove stents com polímero bioabsorvível e sirolimus nas faces luminal e abluminal; e Grupo V (dez stents com polímero bioabsorvível e sirolimus na face abluminal exclusivamente. Resultados: Observamos, para os Grupos I, II, III, IV e V respectivamente: porcentual de estenose de 29 ± 20; 36 ± 14; 33 ± 19; 22 ± 13 e 26 ± 15 (p = 0,443; perda luminal tardia (em mm de 1,02 ± 0,60; 1,24 ± 0,48; 1,11 ± 0,54; 0,72 ± 0,44 e 0,78 ± 0,39 (p = 0,253; área neointimal (em mm2 de 2,60 ± 1,99; 2,74 ± 1,51; 2,74 ± 1,30; 1,30 ± 1,14 e 0,97 ± 0,84 (p = 0,001; Grupos IV e V versus Grupos I, II e III e porcentual de área neointimal de 35 ± 25; 38 ± 18; 39 ± 19; 19 ± 18 e 15 ± 12 (p = 0,001; Grupo IV e V versus Grupo I, II e III. Os escores de injúria e inflamação foram baixos e sem diferenças entre os grupos. Conclusão: O stent Inspiron(r foi seguro e inibiu significativamente a hiperplasia neointimal observada no 28° dia pós-implante em artérias coronárias porcinas.

  4. Historia del Pensamiento Político Premoderno 04 Aristoteles

    OpenAIRE

    Sanz Díaz, Benito

    2010-01-01

    Tema 4 Aristóteles. Política 1.- Aristóteles el Estagirita 2.- Ética y la política en Aristóteles 3.- Las formas de gobierno en La Política 4.- El gobierno democrático es la libertad. 5.- El método Aristotélico. 6.- ¿Qué tipo de Constituciones distingue Aristóteles? 7.- El contexto personal, histórico y político en el que Aristóteles escribe La Política 8.- ¿En que situación se encuentra Grecia en vida de Aristóteles?

  5. Mark III spectrometer

    Energy Technology Data Exchange (ETDEWEB)

    Bernstein, D.; Bernstein, J.; Bunnell, K.; Burgueno, G.; Cassell, R.; Collins, B.; Coward, D.; Einsweiler, K.; Eisele, R.; Haber, B.

    1984-10-01

    This paper describes the design, construction and performance of the Mark III, a new general purpose large solid angle spectrometer at SPEAR, the SLAC 2-8 GeV e/sup +/e storage ring. The detector has been designed for the study of exclusive final states in e/sup +/e annihilation, which requires large solid angle coverage combined with charged particle momentum resolution, particle identification, and photon detection efficiency at low energies. (orig.).

  6. Mark III spectrometer

    Energy Technology Data Exchange (ETDEWEB)

    Bernstein, D.; Bernstein, J.; Bunnell, K.; Burgueno, G.; Cassell, R.; Collins, B.; Coward, D.; Einsweiler, K.; Eisele, R.; Haber, B. (Stanford Linear Accelerator Center, CA (USA))

    1984-10-01

    This paper describes the design, construction and performance of the Mark III, a new general purpose large solid angle spectrometer at SPEAR, the SLAC 2-8 GeV e/sup +/e/sup -/ storage ring. The detector has been designed for the study of exclusive final states in e/sup +/e/sup -/ annihilation, which requires large solid angle coverage combined with charged particle momentum resolution, particle identification, and photon detection efficiency at low energies.

  7. Calculus III essentials

    CERN Document Server

    REA, Editors of

    2012-01-01

    REA's Essentials provide quick and easy access to critical information in a variety of different fields, ranging from the most basic to the most advanced. As its name implies, these concise, comprehensive study guides summarize the essentials of the field covered. Essentials are helpful when preparing for exams, doing homework and will remain a lasting reference source for students, teachers, and professionals. Calculus III includes vector analysis, real valued functions, partial differentiation, multiple integrations, vector fields, and infinite series.

  8. Cobalt(III) complex

    Indian Academy of Sciences (India)

    Administrator

    e, 40 µM complex, 10 hrs after dissolution, f, 40 µM complex, after irradiation dose 15 Gy. and H-atoms result in reduction of Co(III) to Co. (II). 6. It is interesting to see in complex containing multiple ligands what is the fate of electron adduct species formed by electron addition. Reduction to. Co(II) and intramolecular transfer ...

  9. A política da Igreja Universal e seus reflexos nos campos religioso e político brasileiros

    Directory of Open Access Journals (Sweden)

    Oro Ari Pedro

    2003-01-01

    Full Text Available Este texto versa sobre a inserção da Igreja Universal do Reino de Deus (IURD na política nacional e seus efeitos nos campos religioso e político. Em razão da eficácia de seu carisma institucional, a Universal procedeu, dentro do próprio grupo religioso, a uma ressemantização do ato de votar em particular e da percepção da política em geral, inscrevendo-os em sua lógica religiosa. Isso é uma importante chave explicativa para o elevado grau de fidelidade de votos e o êxito político cada vez maior constatado nas últimas eleições. Ademais, a prática política da Universal está produzindo um efeito mimético em outra igrejas evangélicas, que tendem a imitar seu modelo de fazer política. Sua inserção política, sobretudo por intermédio do Partido Liberal, não passa despercebida pelos partidos, constituindo-se, assim, em um ator relevante na atual conjuntura política brasileira.

  10. A questão da continuidade da política macroeconômica entre o governo Cardoso e Lula (1995-2006

    Directory of Open Access Journals (Sweden)

    José Marcos Nayme Novelli

    2010-06-01

    Full Text Available O objetivo do artigo é compreender a continuidade da política macroeconômica entre o governo Cardoso e o governo Lula. O artigo organiza-se em três seções. Na primeira, descreve-se sucintamente a política macroeconômica dos governos Cardoso e Lula. Na segunda, apresenta-se e discute-se o debate da literatura especializada a respeito da hipótese da continuidade da política macroeconômica entre os dois governos. Na terceira seção, é feito um mapeamento dos dirigentes estatais, em que ressaltamos certos aspectos que contribuíram para tal continuidade entre os dois governos. Sem desconsiderar a ação dos beneficiários últimos dos resultados de tal política, identificamos três fatores para explicar a manutenção da política macroeconômica: i a própria estrutura do capitalismo brasileiro e sua inserção na economia mundial; ii a força das idéias ortodoxas difundidas pela mídia e dominantes na equipe econômica (Ministério da Fazenda e Banco Central do Brasil, que foi recrutada no mesmo "campo"; iii a aceitação das "regras do jogo" da democracia pelo Partido dos Trabalhadores (PT.

  11. RNA Polymerase III Regulates Cytosolic RNA:DNA Hybrids and Intracellular MicroRNA Expression*

    OpenAIRE

    Koo, Christine Xing'er; Kobiyama, Kouji; Shen, Yu J.; LeBert, Nina; Ahmad, Shandar; Khatoo, Muznah; Aoshi, Taiki; Gasser, Stephan; Ishii, Ken J.

    2015-01-01

    RNA:DNA hybrids form in the nuclei and mitochondria of cells as transcription-induced R-loops or G-quadruplexes, but exist only in the cytosol of virus-infected cells. Little is known about the existence of RNA:DNA hybrids in the cytosol of virus-free cells, in particular cancer or transformed cells. Here, we show that cytosolic RNA:DNA hybrids are present in various human cell lines, including transformed cells. Inhibition of RNA polymerase III (Pol III), but not DNA polymerase, abrogated cy...

  12. A Polícia e suas Polícias: Clientela, Hierarquia, Soldado e Bandido

    Directory of Open Access Journals (Sweden)

    Erika Ferreira de Azevedo

    Full Text Available Resumo A polícia militar representa um braço do Estado e apresenta-se para a população de forma contundente, ostensiva e, por vezes, brutal, não só para a sociedade como para ela mesma. Através da Análise Institucional do Discurso, a pesquisa aqui relatada teve como objetivo estudar os efeitos de reconhecimento e desconhecimento das relações no trabalho que permeiam o discurso de soldados da polícia militar: como estes falam de seu trabalho e, através desta fala, posicionam-se e posicionam sua clientela, sua hierarquia, seu objeto de trabalho (os “bandidos” e eles próprios. Buscou-se também analisar que lugar a violência ocupou neste discurso. Dez soldados da polícia militar do Estado de São Paulo foram entrevistados e a transcrição destas estrevistas foi analisada. A partir das análises, é possível refletir sobre a dubiedade do verdadeiro objetivo do trabalho policial, deslizando facilmente do cuidado da população desamparada ao cuidado de si, desamparado sob a pressão da farda.

  13. Prediction of Active Site and Distal Residues in E. coli DNA Polymerase III alpha Polymerase Activity.

    Science.gov (United States)

    Parasuram, Ramya; Coulther, Timothy A; Hollander, Judith M; Keston-Smith, Elise; Ondrechen, Mary Jo; Beuning, Penny J

    2018-02-20

    The process of DNA replication is carried out with high efficiency and accuracy by DNA polymerases. The replicative polymerase in E. coli is DNA Pol III, which is a complex of 10 different subunits that coordinates simultaneous replication on the leading and lagging strands. The 1160-residue Pol III alpha subunit is responsible for the polymerase activity and copies DNA accurately, making one error per 10 5 nucleotide incorporations. The goal of this research is to determine the residues that contribute to the activity of the polymerase subunit. Homology modeling and the computational methods of THEMATICS and POOL were used to predict functionally important amino acid residues through their computed chemical properties. Site-directed mutagenesis and biochemical assays were used to validate these predictions. Primer extension, steady-state single-nucleotide incorporation kinetics, and thermal denaturation assays were performed to understand the contribution of these residues to the function of the polymerase. This work shows that the top 15 residues predicted by POOL, a set that includes the three previously known catalytic aspartate residues, seven remote residues, plus five previously unexplored first-layer residues, are important for function. Six previously unidentified residues, R362, D405, K553, Y686, E688, and H760, are each essential to Pol III activity; three additional residues, Y340, R390, and K758, play important roles in activity.

  14. The dnaE173 mutator mutation confers on the alpha subunit of Escherichia coli DNA polymerase III a capacity for highly processive DNA synthesis and stable binding to primer/template DNA.

    Science.gov (United States)

    Yanagihara, Fusamitsu; Yoshida, Shohei; Sugaya, Yutaka; Maki, Hisaji

    2007-08-01

    The strong mutator mutation dnaE173 which causes an amino-acid substitution in the alpha subunit of DNA polymerase III is unique in its ability to induce sequence-substitution mutations. We showed previously that multiple biochemical properties of DNA polymerase III holoenzyme of Escherichia coli are simultaneously affected by the dnaE173 mutation. These effects include a severely reduced proofreading capacity, an increased resistance to replication-pausing on the template DNA, a capability to readily promote strand-displacement DNA synthesis, a reduced rate of DNA chain elongation, and an ability to catalyze highly processive DNA synthesis in the absence of the beta-clamp subunit. Here we show that, in contrast to distributive DNA synthesis exhibited by wild-type alpha subunit, the dnaE173 mutant form of alpha subunit catalyzes highly processive DNA chain elongation without the aid of the beta-clamp. More surprisingly, the dnaE173 alpha subunit appeared to form a stable complex with primer/template DNA, while no such affinity was detected with wild-type alpha subunit. We consider that the highly increased affinity of alpha subunit for primer/template DNA is the basis for the pleiotropic effects of the dnaE173 mutation on DNA polymerase III, and provides a clue to the molecular mechanisms underlying sequence substitution mutagenesis.

  15. Aonde vai a teoria política?

    Directory of Open Access Journals (Sweden)

    Terence Ball

    2004-11-01

    Full Text Available Neste texto o autor propõe uma reavaliação da Teoria Política, a partir da constatação de sua "morte" e, ao mesmo tempo, da revalorização da disciplina a partir de meados dos anos 1970. A resposta do autor consiste em estabelecer uma distinção entre teorizações de primeira e segunda ordens, isto é, entre reflexões sobre as condições gerais de vida política em comum e o estudo dessas reflexões. Em seguida, o autor indica como os fatores que desvalorizaram a teorização normativa em décadas anteriores - em particular a Ciência Política comportamentalista - declinaram, ao mesmo tempo em que novas questões relativas à vida política em comum (nos Estados Unidos: a Guerra do Vietnã, o movimento pelos direitos civis, o movimento feminista puseram na ordem do dia a disciplina da Teoria Política. O autor encerra o texto lembrando a importância do trabalho em conjunto dos cientistas políticos "empíricos" e dos teóricos políticos "normativos", como sendo relativos a dois aspectos estreitamente relacionados de um mesmo fenômeno - como cientistas e como cidadãos.

  16. Infinite Particle Systems: Complex Systems III

    Directory of Open Access Journals (Sweden)

    Editorial Board

    2008-06-01

    Full Text Available In the years 2002-2005, a group of German and Polish mathematicians worked under a DFG research project No 436 POL 113/98/0-1 entitled "Methods of stochastic analysis in the theory of collective phenomena: Gibbs states and statistical hydrodynamics". The results of their study were summarized at the German-Polish conference, which took place in Poland in October 2005. The venue of the conference was Kazimierz Dolny upon Vistula - a lovely town and a popular place for various cultural, scientific, and even political events of an international significance. The conference was also attended by scientists from France, Italy, Portugal, UK, Ukraine, and USA, which predetermined its international character. Since that time, the conference, entitled "Infinite Particle Systems: Complex Systems" has become an annual international event, attended by leading scientists from Germany, Poland and many other countries. The present volume of the "Condensed Matter Physics" contains proceedings of the conference "Infinite Particle Systems: Complex Systems III", which took place in June 2007.

  17. Hannah Arendt e a Liberdade na Política

    Directory of Open Access Journals (Sweden)

    Juliana Scherdien Amaral

    2016-12-01

    Full Text Available Hannah Arendt (1906-1975 a partir do "Fenômeno do Totalitarismo", refletiu sobre a importância da política e do agir político, momento em que é necessário que haja “liberdade política”, nos termos dela. A liberdade é entendida por Arendt como a manifestação do ser humano no espaço público, cujo aparecimento é mediado pela linguagem sem coação, na pluralidade, na singularidade, visando a ação. A ausência da liberdade pode provocar experiências nada edificantes para a existência do homem, como os fatos do Nazismo, por exemplo – campos de concentração e de extermínio, a mentira política, entre outros. Nesse sentido, é preciso compreender como Arendt entende a liberdade, momento em que surge a questão: como a liberdade é (ou pode ser condição para a política? Por quê? Na concepção dela, "o sentido da política é a liberdade". Para tanto, ela distingue a liberdade política da filosófica. A liberdade política precisa da presença de seres humanos que pensem e julguem, que escolham e ajam, e seu exercício será efetivo, e não um mero comportamento. Arendt enfatiza, em seus estudos, a liberdade política, pois para ela a liberdade corresponde à possibilidade de agir.

  18. Spatial and Functional Relationships Among Pol V-Associated loci, Pol IV-Dependent siRNAs, and Cytosine Methylation in the Arabidopsis Epigenome

    Energy Technology Data Exchange (ETDEWEB)

    Wierzbicki, A. T.; Cocklin, Ross; Mayampurath, Anoop; Lister, Ryan; Rowley, M. J.; Gregory, Brian D.; Ecker, Joseph R.; Tang, Haixu; Pikaard, Craig S.

    2012-08-15

    Multisubunit RNA polymerases IV and V (Pols IV and V) mediate RNA-directed DNA methylation and transcriptional silencing of retrotransposons and heterochromatic repeats in plants. We identified genomic sites of Pol V occupancy in parallel with siRNA deep sequencing and methylcytosine mapping, comparing wild-type plants with mutants defective for Pol IV, Pol V, or both Pols IV and V. Approximately 60% of Pol V-associated regions encompass regions of 24-nucleotide (nt) siRNA complementarity and cytosine methylation, consistent with cytosine methylation being guided by base-pairing of Pol IV-dependent siRNAs with Pol V transcripts. However, 27% of Pol V peaks do not overlap sites of 24-nt siRNA biogenesis or cytosine methylation, indicating that Pol V alone does not specify sites of cytosine methylation. Surprisingly, the number of methylated CHH motifs, a hallmark of RNA-directed de novo methylation, is similar in wild-type plants and Pol IV or Pol V mutants. In the mutants, methylation is lost at 50%-60% of the CHH sites that are methylated in the wild type but is gained at new CHH positions, primarily in pericentromeric regions. These results indicate that Pol IV and Pol V are not required for cytosine methyltransferase activity but shape the epigenome by guiding CHH methylation to specific genomic sites.

  19. Serie Umbral Político - Num 4.

    OpenAIRE

    Equipo Programa de Estudios de Opinión

    2005-01-01

    Desde el espacio que hemos venido construyendo en Umbral Político, lanzamos una mirada atenta, con espíritu crítico y un profundo sentimiento democrático, a la coyuntura electoral actual. Acompañamos, pues, en primer lugar a la ciudadanía costarricense y a las fuerzas políticas democráticas que participan en este proceso electoral, haciendo un sencillo aporte al proceso de elucidación, información y formación política, que el deber y el amor cívico nos imponen, como universitarios y como ciud...

  20. Historia del pensamiento político moderno (02 Maquiavelo)

    OpenAIRE

    Sanz Díaz, Benito

    2010-01-01

    Tema 2.- Nicolás Maquiavelo. El Príncipe 1. Nicolás Maquiavelo (1469-1527). Nicolás Maquiavelo en el contexto político de la época. 2. Maquiavelo, pensador político. El Galileo de la política.3. Maquiavelo y El príncipe: mito y realidad. Un libro maldito. 4. Hito y mito de la modernidad. 5. Maquiavelo, notario de la realidad de su tiempo. Lectura para comentario en clase. Citas.

  1. Elementos para una política de seguridad urbana

    OpenAIRE

    Sanguino Páez, Antonio

    2016-01-01

    La seguridad es central en la agenda estatal por su relación con derechos ciudadanos en un Estado de Derecho. Este trabajo entra al debate sobre seguridad, aporta elementos en políticas públicas de seguridad urbana y da instrumentos metodológicos para su gestión. Además revisa la política de seguridad de Bogotá en 20 años, examina enfoques, identifica lecciones y formula recomendaciones para una política de seguridad urbana. El fin de la guerra fría y la Doctrina de Seguridad Nacional generó ...

  2. Política em Rousseau: Utopia e Realismo

    OpenAIRE

    Eduardo Leonel Corrêa Cardoso

    2014-01-01

    Diante da diversidade de registros deixados pelo pensador Jean-Jacques Rousseau, a dissertação que se segue propõe analisar sua filosofia política de acordo com duas chaves de leitura política: a utopia e o realismo. Com base nas referências de utopia como transgressão e realismo como redução de danos, encontradas em Renato Janine Ribeiro, pretende-se encontrar uma convergência/aproximação dessas duas tradições de pensamento político no pensamento de Rousseau que se pressupõe transitar justa...

  3. Arma del contrapoder: Humor político y medios

    OpenAIRE

    César Ulloa Tapia

    2008-01-01

    El humor político en los medios de comunicación tiene enorme acogida en las audiencias ya que logra lo que pueden editoriales, análisis académicos y demás espacios de opinión. Es la mejor manera de denunciar, advertir, sancionar e incluso develar lo que hace o deja de hacer el poder político. El humor político está considerado como contrapoder. El periodismo que usa el humor es eficaz, tanto en el mensaje como en su efecto, pues describe las situaciones y recurre a comparaciones y símiles....

  4. In vitro transcription activities of Pol IV, Pol V and RDR2 reveal coupling of Pol IV and RDR2 for dsRNA synthesis in plant RNA silencing

    Energy Technology Data Exchange (ETDEWEB)

    Haag, Jeremy R.; Ream, Thomas S.; Marasco, Michelle; Nicora, Carrie D.; Norbeck, Angela D.; Pasa-Tolic, Ljiljana; Pikaard, Craig S.

    2012-12-14

    In Arabidopsis, RNA-dependent DNA methylation and transcriptional silencing involves three nuclear RNA polymerases that are biochemically undefined: the presumptive DNA-dependent RNA polymerases, Pol IV and Pol V and the putative RNA-dependent RNA polymerase, RDR2. Here, we demonstrate their RNA polymerase activities in vitro. Unlike Pol II, Pols IV and V require an RNA primer, are insensitive to alpha-amanitin and differ in their ability to displace non-template DNA during transcription. Biogenesis of 24 nt small interfering RNAs (siRNAs) requires both Pol IV and RDR2, which physically associate in vivo. Pol IV does not require RDR2 for activity, but RDR2 is nonfunctional in the absence of associated Pol IV, suggesting that their coupling explains the channeling of Pol IV transcripts into double-stranded RNAs that are then diced into 24 nt siRNAs.

  5. Refuerzo de polímeros con nanopartículas

    OpenAIRE

    Baselga Llidó, Juan

    2008-01-01

    El grupo de investigación Polímeros y Composites pertenece al Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Química de la Universidad Carlos III de Madrid. Se dedica al desarrollo y caracterización de materiales poliméricos, centrándose en su refuerzo mediante la dispersión de nanopartículas. Por este método, con adiciones muy pequeñas de nanorrefuerzo se suelen mejorar las propiedades mecánicas, eléctricas y ópticas, así como el comportamiento en servicio de estos mat...

  6. Hannah Arendt - Filosofia e Política

    Directory of Open Access Journals (Sweden)

    Eduardo Jardim de Moraes

    2007-12-01

    Full Text Available O artigo apresenta a visão de Hannah Arendt de três momentos em que se configura, na história da filosofia política, a relação entre filosofia e política.O primeiro é o contexto antigo, representado na obra de Platão, quando a filosofia é entendida como metafísica e o conceito central da política é o de autoridade.O segundo remete à moderna crise do conceito metafísico de verdade e do conceito político de autoridade.O terceiro refere-se à leitura de Arendt da obra de Kant e aponta para a relevância da sua teoria do juízo.

  7. Lo social desde la política

    Directory of Open Access Journals (Sweden)

    Darío Salinas Figueredo

    2000-01-01

    Full Text Available Sin desconocer las aproximaciones existentes sobre aspectos fundamentales de la problemática social en América Latina, por ejemplo la pobreza y la índole de política que de manera predominante se formula para encararla, la trayectoria argumental de este trabajo se encamina a mostrar la importancia de trabajar hacia el desarrollo de una perspectiva más amplia. Las referencias empíricas cotejadas no se refieren a hechos puntuales, sino a indicadores que pautan tendencias. Siendo los propósitos aquí reunidos de naturaleza comprensiva, se parte de la premisa según la cual escasamente se problematiza lo social y la propia política social, sus vínculos con la política general, el modelo de desarrollo y el tipo de democracia que la política predominante busca proyectar.

  8. Epidemiologia e políticas públicas

    OpenAIRE

    Barata,Rita Barradas

    2013-01-01

    Este ensaio trata das relações entre a epidemiologia e as políticas públicas, destacando inicialmente a posição da disciplina no campo da saúde coletiva, analisando os impactos de políticas públicas sobre o perfil epidemiológico e as contribuições da epidemiologia para a formulação, implementação e avaliação de políticas públicas de saúde. No primeiro tópico são discutidos os vínculos da disciplina com o campo da saúde coletiva, o modelo de determinantes sociais e de ação política formulados ...

  9. DNA replication fidelity in Escherichia coli: a multi-DNA polymerase affair

    Science.gov (United States)

    Fijalkowska, Iwona J.; Schaaper, Roel M.; Jonczyk, Piotr

    2012-01-01

    High accuracy (fidelity) of DNA replication is important for cells to preserve genetic identity and to prevent accumulation of deleterious mutations. The error rate during DNA replication is as low as 10−9 to 10−11 errors per base pair. How this low level is achieved is an issue of major interest. This review is concerned with the mechanisms underlying the fidelity of the chromosomal replication in the model system Escherichia coli by DNA polymerase III holoenzyme (HE), with further emphasis on participation of the other, accessory DNA polymerases, of which E. coli contains four (Pols I, II, IV, and V). Detailed genetic analysis of mutation rates revealed that (i) Pol II has an important role as a back-up proofreader for Pol III, (ii) Pols IV and V do not normally contribute significantly to replication fidelity, but can readily do so under conditions of elevated expression, (iii) participation of Pols IV and V, in contrast to that of Pol II, is specific to the lagging strand, and (iv) Pol I also makes a lagging-strand specific fidelity contribution, limited however to the faithful filling of the Okazaki fragment gaps. The fidelity role of the Pol III τ subunit is also reviewed. PMID:22404288

  10. Politeia: la política

    Directory of Open Access Journals (Sweden)

    Manuel Briceño Jáuregui

    1982-07-01

    Full Text Available Se trata solamente de La Política, una versión reciente que está en proceso de publicación. Aristóteles sostiene que la felicidad completa del individuo no es posible sino en la sociedad, especialmente en la polis, que es la sociedad por excelencia. El individuo no puede por sí mismo satisfacer sus necesidad es materiales ni alcanzar la virtud. Para mostrarlo examina primero los diferentes grupos humanos, a partir de la familia; analiza luego las diversas politeias (constituciones de entonces, algunas de las cuales condena. Distingue siguiendo a su maestro Platón tres politeias (formas de gobierno legítimas monarquía, aristocracia, democracia, que dan lugar a su vez a tres desviaciones de las mismas tiranía , oligarquía y demagogia respectivamente. Termina señalando la importancia humana y cívica de la educación.

  11. O neopragmatismo de Richard Rorty e a reflexão política contemporânea

    Directory of Open Access Journals (Sweden)

    Sérgio Eduardo Ferraz

    2014-03-01

    Full Text Available Este artigo examina o pensamento filosófico de Richard Rorty e, em particular, sua dimensão política, delineando seu tratamento original e crítico de temas centrais à teoria política contemporânea. O objetivo do texto é triplo: chamar a atenção para a fertilidade das ideias de um autor ainda pouco lido no Brasil (i, assinalar as notáveis consequências corrosivas da abordagem rortyana para pressupostos e pretensões fundantes de importantes vertentes da teoria política (ii, e, numa ótica mais positiva, apontar o potencial inspirador dos escritos desse autor para a reflexão sobre novos modos de justificação da democracia (iii. Salientam-se também, nesse último caso, os limites impostos a esse tipo de empreitada político-intelectual. A abordagem empregada consiste em demarcar os contornos gerais do projeto filosófico do autor, seguindo-se uma apresentação dos tópicos mais propriamente políticos da obra de Rorty. Mais especificamente, o artigo explora a proposta rortyana de substituição da noção de verdade pela de justificação, assinalando-se suas consequências para pretensões de verdade, objetividade e universalismo, presentes em diversas linhas da teoria política. Nesse veio, o artigo discute as eventuais implicações relativistas das teses rortyanas, chegando-se, por essa rota, às ideias de contingência, imaginação e persuasão, núcleos conceituais vitais à reflexão em tela. Um breve contraste com posições de autores como Habermas e Rawls, caros ao próprio Rorty, é esboçado no propósito de tornar mais clara a especificidade da abordagem rortyana da política. Transitando, do modo assinalado, por esses tópicos, o texto resulta em um panorama sintético da perspectiva rortyana acerca do que vem a ser, contemporaneamente, uma "política democrática", liberta de "universalismos" e "objetividades", na qual ganham estatuto decisivo questões de justificação, tolerância e coexist

  12. Política y Geometría

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    Isabel Lillo Villalobos

    2011-04-01

    Full Text Available En este trabajo se aplican conceptos matemáticos al planteamiento deun problema de competición política. Se desarrolla y se implementaademás un método que usa herramientas relacionadas con la geometríacomputacional para la resolución de dicho problema, probándose dicho método en un ejemplo basado en la política española.

  13. Pseudo Class III malocclusion

    Directory of Open Access Journals (Sweden)

    Fadia M. Al-Hummayani

    2016-04-01

    Full Text Available The treatment of deep anterior crossbite is technically challenging due to the difficulty of placing traditional brackets with fixed appliances. This case report represents a none traditional treatment modality to treat deep anterior crossbite in an adult pseudo class III malocclusion complicated by severely retruded, supraerupted upper and lower incisors. Treatment was carried out in 2 phases. Phase I treatment was performed by removable appliance “modified Hawley appliance with inverted labial bow,” some modifications were carried out to it to suit the presented case. Positive overbite and overjet was accomplished in one month, in this phase with minimal forces exerted on the lower incisors. Whereas, phase II treatment was performed with fixed appliances (braces to align teeth and have proper over bite and overjet and to close posterior open bite, this phase was accomplished within 11 month.

  14. Ammonium diphosphitoindate(III

    Directory of Open Access Journals (Sweden)

    Farida Hamchaoui

    2013-04-01

    Full Text Available The crystal structure of the title compound, NH4[In(HPO32], is built up from InIII cations (site symmetry 3m. adopting an octahedral environment and two different phosphite anions (each with site symmetry 3m. exhibiting a triangular–pyramidal geometry. Each InO6 octahedron shares its six apices with hydrogen phosphite groups. Reciprocally, each HPO3 group shares all its O atoms with three different metal cations, leading to [In(HPO32]− layers which propagate in the ab plane. The ammonium cation likewise has site symmetry 3m.. In the structure, the cations are located between the [In(HPO32]− layers of the host framework. The sheets are held together by hydrogen bonds formed between the NH4+ cations and the O atoms of the framework.

  15. Fast ejendom III

    DEFF Research Database (Denmark)

    Munk-Hansen, Carsten

    Bogen er det tredje bind af tre planlagte bind om fast ejendom: I Overdragelsen, II Bolighandlen og III Ejerbeføjelsen. Fremstillingens giver et grundigt overblik over centrale områder af en omfattende regulering af fast ejendom, med angivelse af litteratur, hvor læseren kan søge yderligere...... oplysning. En ejer af fast ejendom er på særdeles mange områder begrænset i sin råden sammenlignet med ejeren af et formuegode i almindelighed. Fremstillingen tager udgangspunkt i ejerens perspektiv (fremfor samfundets eller myndighedernes). Både den privatretlige og offentligretlige regulering behandles......, eksempelvis ejendomsdannelsen, servitutter, naboretten, hævd, zoneinddelingen, den fysiske planlægning, beskyttelse af natur, beskyttelse af kultur, forurening fra fast ejendom, erstatning for forurening, jordforurening, ekspropriation, byggeri og adgang til fast ejendom....

  16. Cultura política y partidos en Jalisco

    Directory of Open Access Journals (Sweden)

    Carlos Silva Moreno

    2000-01-01

    Full Text Available El presente trabajo es un intento de análisis y reflexión sobre la cultura política de uno de los componentes de todo sistema político que se precie de ser democrático (al menos formalmente: los partidos políticos. Se estudia la cultura política de los partidos políticos en Jalisco a partir del análisis de las representaciones y valores que los partidos políticos tienen sobre la democracia interna, para después contrastarlas con algunas prácticas referentes al liderazgo, dirección y formas de competencia. Debido a que las dimensiones de la democracia son muy amplias y variadas, nos centramos en dos indicadores: la forma en que se da la competencia por los cargos de dirección interna y el carácter de la dirección y el liderazgo.

  17. Mitochondrial DNA replication: a PrimPol perspective

    Science.gov (United States)

    Bailey, Laura J.

    2017-01-01

    PrimPol, (primase–polymerase), the most recently identified eukaryotic polymerase, has roles in both nuclear and mitochondrial DNA maintenance. PrimPol is capable of acting as a DNA polymerase, with the ability to extend primers and also bypass a variety of oxidative and photolesions. In addition, PrimPol also functions as a primase, catalysing the preferential formation of DNA primers in a zinc finger-dependent manner. Although PrimPol's catalytic activities have been uncovered in vitro, we still know little about how and why it is targeted to the mitochondrion and what its key roles are in the maintenance of this multicopy DNA molecule. Unlike nuclear DNA, the mammalian mitochondrial genome is circular and the organelle has many unique proteins essential for its maintenance, presenting a differing environment within which PrimPol must function. Here, we discuss what is currently known about the mechanisms of DNA replication in the mitochondrion, the proteins that carry out these processes and how PrimPol is likely to be involved in assisting this vital cellular process. PMID:28408491

  18. Retrospectiva de la política universitaria en Venezuela

    Directory of Open Access Journals (Sweden)

    Pedro Rodríguez Rojas

    2017-07-01

    Full Text Available El propósito de este artículo es hacer una breve revisión histórica de la política universitaria en Venezuela. La política universitaria en Venezuela tiene como antecedente la Universidad Colonial, pero surge más concretamente a partir de la reforma de 1827. Las universidades son un ente fundamentalmente político. Las universidades no son solamente espacios para el adiestramiento y formación de los profesionales que requiere la nación. Las universidades reflejan a la sociedad a la que pertenecen. Cuando se refiere a la política universitaria venezolana estamos haciendo referencia a las políticas de los respectivos estados y gobiernos en relación al papel que debe jugar las universidades en el desenvolvimiento del país. Pretendemos responder a las preguntas: ¿cómo ha sido la relación entre los gobiernos y las universidades?, ¿Ha existido una política universitaria en Venezuela?, ¿Cómo han evolucionado los principios de equidad, democracia y autonomía en las universidades?, ¿Quién manda en las universidades?¿Qué y quiénes investigan?, ¿Cómo y quién mide la cal

  19. Mentir en la vida política

    Directory of Open Access Journals (Sweden)

    Martínez de la Escalera, Ana María

    2005-06-01

    Full Text Available In this paper the act of lying is seen as a necessary component of the political discourse of the polis. Plato and Arendt are examined as the representatives of a line of thought in which the political realm needs the act of lying. The actual problematic of lying in politics is debated.

    El texto «Mentir en política» aborda el papel que la mentira ha jugado en el lenguaje de la política y el lugar problemático que la Filosofía política le ha otorgado. Se escogen dos autores, Platón y Arendt, para mostrar la necesidad de incluir el discurso mentiroso como un componente esencial de la vida política de la ciudad. En breve, se trata de analizar los límites que la ciudad impone al discurso de lo político y de la política.

  20. Herencia política y económica

    Directory of Open Access Journals (Sweden)

    Wesley C. Marshall

    2011-01-01

    Full Text Available El artículo busca resaltar la relevancia de la vida política de Hilferding en el actual contexto de la crisis financiera global y la probablemente alta radicalización de las posiciones políticas de los países dominantes como resultado de aquella. Como se argumenta, había un alto grado de coherencia entre el pensamiento económico de Hilferding y su actuación política. Justamente por el hecho de que el proyecto socialista alemán durante la Republica Weimar no logró sus objetivos, el pensamiento político y económico de su líder intelectual es altamente relevante en el escenario global actual, donde la crisis económica y descomposición social y política que la acompañen reclaman a los principales políticos del mundo un entendimiento económico más amplio y profundo para que las tragedias de Europa central de los años treinta y cuarenta del siglo XX no se reproduzcan.

  1. Engajamento cívico e escolaridade superior: as eleições de 2014 e o comportamento político dos brasileiros

    Directory of Open Access Journals (Sweden)

    André Luiz Vieira Dias

    2015-12-01

    Full Text Available Resumo O artigo tem como objetivo analisar a influência da escolaridade sobre o comportamento político dos brasileiros. Supõe-se que a escolaridade é capaz de despertar um comportamento mais interessado, participativo e coerente, portanto, engajado, dos cidadãos. Nesse sentido, busca-se verificar (i se os cidadãos brasileiros são informados e interessados por política; (ii motivados em participar das eleições e outras atividades políticas e (iii sua avaliação e satisfação em relação ao processo democrático. Destaca-se o comportamento daqueles que possuem o ensino superior completo, em comparação aos demais níveis de escolaridade, no intuito de identificar padrões comportamentais distintos. A partir dos dados obtidos pelo ESEB 2014, além da análise descritiva dos dados, aplicou-se o modelo de regressão logística, relacionando a variável escolaridade superior a outras variáveis agrupadas em quatro categorias: (a aspectos socioeconômicos; (b informação e interesse por política; (c participação nas eleições, em atividades políticas tradicionais e em outras atividades políticas; (d avaliação e satisfação política. Dessa maneira, verifica-se (i que os brasileiros são pouco ou nada interessados por política; (ii participam das eleições mas não das atividades tradicionais e novas formas de engajamento político; (iii apoiam e estão razoavelmente satisfeitos com a democracia. Em relação aos mais escolarizados, temos o predomínio de mulheres, um público mais jovem e com renda familiar sutilmente superior à dos menos escolarizados. Aqueles que possuem o ensino superior completo tendem a se comportar de forma distinta: são levemente mais informados e interessados por política; apesar dos baixos percentuais encontrados, são os que mais participam das atividades políticas em geral; são os que mais apoiam a democracia, porém os mais insatisfeitos com o seu funcionamento. Esse estudo nos permite

  2. Cervantes y la Corte: Lecturas biográficas, patrocinio e interpretaciones políticas

    Directory of Open Access Journals (Sweden)

    Mario CRESPO LÓPEZ

    2009-12-01

    Full Text Available RESUMEN: La vida y la obra de Miguel de Cervantes contienen datos de indudable interés para el estudio de la política de la Edad Moderna y de las conexiones áulicas entre el creador literato y los grupos de poder de su época. Lo que conocemos de la biografía de Cervantes, sus inquietudes vitales, los argumentos de sus obras y los misterios que rodearon su mecenazgo y participación en la «república de las letras» se relacionan no sólo con el contexto político de desencanto tras la grandeza imperial de Felipe II sino también con la relación con personajes concretos de la Corte de Felipe III y con algunos acontecimientos, como la expulsión de los moriscos, que marcaron tanto el reinado como la propia obra cervantina. Lo cierto es que no existen demasiadas fuentes a partir de las cuales puedan estudiarse estas conexiones, pero es indudable que el creador está unido a una época en la que debe sobrevivir y a la que debe gran parte de sus preocupaciones literarias. En este trabajo se esbozan algunas conexiones políticas de Cervantes, recuperando parte de la bibliografía de los llamados «cervantistas» decimonónicos.ABSTRACT: Miguel de Cervantes' life and work contain interesting data to study the Modern Age politics and courts connections between the writer and the power ful groups at that time. Cervantes biography, his vital inquietudes, the plot in his works, the misteries of his literary sustenance and his participation in the «república de las letras» can be relationed not only with the political context of disenchantment after Philip II imperial grandeeship but also with the relation with concrete persons in the Court of Philip III and with some events, like Morisco's expulsion, that determine the reign and own Cervantes' work. There are not enough data to study those connections, but it is indubitable that the writer lives in a time where he must survive and where he shows his literary worries. This work sketches some

  3. Semiconducting III-V compounds

    CERN Document Server

    Hilsum, C; Henisch, Heinz R

    1961-01-01

    Semiconducting III-V Compounds deals with the properties of III-V compounds as a family of semiconducting crystals and relates these compounds to the monatomic semiconductors silicon and germanium. Emphasis is placed on physical processes that are peculiar to III-V compounds, particularly those that combine boron, aluminum, gallium, and indium with phosphorus, arsenic, and antimony (for example, indium antimonide, indium arsenide, gallium antimonide, and gallium arsenide).Comprised of eight chapters, this book begins with an assessment of the crystal structure and binding of III-V compounds, f

  4. CURRENT SITUATION OF MEDICINE III AND CHALLENGES.

    Science.gov (United States)

    Ferreira, Lydia Masako

    2015-01-01

    tradition and history. For the maintenance and advancement of the area some challenges and goals were established to be developed in the period from 2013 to 2016. Descrever a situação atual da área Medicina III da Capes e detectar os desafios para o próximo quadriênio de avaliação. Os documentos e relatórios de reuniões de área a partir de 2004 até 2013 da Medicina III da Capes foram lidos assim como os relatórios e as fichas de avaliação de cada Programa de Pós Graduação (PPG) da área e a subpágina da área no site da Capes. Os dados referentes ao Processo de Avaliação, à Ficha de Avaliação e aos dados do Corpo Docente, Discente e Produção científica de todos os PPG da Medicina III foram computados e analisados. A partir desses dados foram detectados os desafios da área para o próximo quadriênio (2013-2016). Dentre os 3.806 PPG, a Medicina III apresentava 41 PPG durante última avaliação trienal e evoluiu de 18% para 43% de PPG > conceito muito bom (Triênios 2001-2003 e 2010-2012). A maioria dos PPG se localizavam na Região Sudeste (32), três no Sul e dois no Nordeste. Não havia nenhum PPG no Norte ou Centro-Oeste. Em 2013 e 2014 foram aprovadas quatro mestrados profissionais e um mestrado e doutorado acadêmico. A média de docente permanente no triênio foi de 558 docentes com cerca de três alunos titulados/docente. O número de doutores titulados tem aumentado assim como a razão Doutorado/Mestrado. A proporção de publicações em periódicos de maior impacto (A1, A2, B1 e B2) saltou de 30% para 50% demonstrando resposta positiva da comunidade à política da área. Os desafios detectados foram: diminuir assimetria regional, elevar o número de mestres e doutores de excelência, reavaliação das revistas nacionais, estimular e definir indicadores de internacionalização, inclusão de pós-doutores e definição de seus indicadores, análise da nucleação do PPG, PPG 3x3, inclusão ensino médio e fundamental, mestrado

  5. Raymond Aron ante el maquiavelismo político

    Directory of Open Access Journals (Sweden)

    Molina Cano, Jerónimo

    2008-08-01

    Full Text Available It is a simplification of Raymond Aron´s thought to consider him as a mere neo-liberal political thinker. The French sociologist, a well-known political realist, took part in the famous controversy about Machiavellianism that was Aron´s intellectual watershed from the Forties. Starting from that controversy the aim of the present paper is to inquire into his contribution to the so-called “moderate Machiavellianism”, whose Arcanum is that it is not always possible to choose the optimal means to face the right political action. Machiavellianism is not a merely scientific or epistemological question, but something that deeply determines all political actions.

    La presentación de Raymond Aron como un escritor político neoliberal constituye una simplificación de su pensamiento. El sociólogo francés, que pertenece a la tradición del realismo político, tuvo una destacada intervención en la famosa polémica sobre el maquiavelismo que marcó un punto de inflexión en su pensamiento. Este artículo examina su contribución a esa inagotable polémica intelectual desde los años 40 y constata, finalmente, su encuadramiento en el denominado “maquiavelismo moderado”, cuyo arcano político es que, en política, no siempre se pueden elegir los medios de la acción. El maquiavelismo no es, en este sentido, un asunto científico o epistemológico, sino que determina profundamente toda acción política.

  6. Dark matter detection - III

    International Nuclear Information System (INIS)

    Zacek, Viktor

    2015-01-01

    The quest for the missing mass of the universe has become one of the big challenges of todays particle physics and cosmology. Astronomical observations show that only 1% of the matter of the Universe is luminous. Moreover there is now convincing evidence that 85% of all gravitationally observable matter in the Universe is of a new exotic kind, different from the 'ordinary' matter surrounding us. In a series of three lectures we discuss past, recent and future efforts made world- wide to detect and/or decipher the nature of Dark Matter. In Lecture I we review our present knowledge of the Dark Matter content of the Universe and how experimenters search for it's candidates; In Lecture II we discuss so-called 'direct detection' techniques which allow to search for scattering of galactic dark matter particles with detectors in deep-underground laboratories; we discuss the interpretation of experimental results and the challenges posed by different backgrounds; In Lecture III we take a look at the 'indirect detection' of the annihilation of dark matter candidates in astrophysical objects, such as our sun or the center of the Milky Way; In addition we will have a look at efforts to produce Dark Matter particles directly at accelerators and we shall close with a look at alternative nonparticle searches and future prospects. (author)

  7. Fungal type III polyketide synthases.

    Science.gov (United States)

    Hashimoto, Makoto; Nonaka, Takamasa; Fujii, Isao

    2014-10-01

    This article covers the literature on fungal type III polyketide synthases (PKSs) published from 2005 to 2014. Since the first discovery of fungal type III PKS genes in Aspergillus oryzae, reported in 2005, putative genes for type III PKSs have been discovered in fungal genomes. Compared with type I PKSs, type III PKSs are much less abundant in fungi. However, type III PKSs could have some critical roles in fungi. This article summarizes the studies on fungal type III PKS functional analysis, including Neurospora crassa ORAS, Aspergillus niger AnPKS, Botrytis cinerea BPKS and Aspergillus oryzae CsyA and CsyB. It is mostly in vitro analysis using their recombinant enzymes that has revealed their starter and product specificities. Of these, CsyB was found to be a new kind of type III PKS that catalyses the coupling of two β-keto fatty acyl CoAs. Homology modelling reported in this article supports the importance of the capacity of the acyl binding tunnel and active site cavity in fungal type III PKSs.

  8. Orthoretroviral-like prototype foamy virus gag-pol expression is compatible with viral replication

    Directory of Open Access Journals (Sweden)

    Reh Juliane

    2011-08-01

    Full Text Available Abstract Background Foamy viruses (FVs unlike orthoretroviruses express Pol as a separate precursor protein and not as a Gag-Pol fusion protein. A unique packaging strategy, involving recognition of briding viral RNA by both Pol precursor and Gag as well as potential Gag-Pol protein interactions, ensures Pol particle encapsidation. Results Several Prototype FV (PFV Gag-Pol fusion protein constructs were generated to examine whether PFV replication is compatible with an orthoretroviral-like Pol expression. During their analysis, non-particle-associated secreted Pol precursor protein was discovered in extracellular wild type PFV particle preparations of different origin, copurifying in simple virion enrichment protocols. Different analysis methods suggest that extracellular wild type PFV particles contain predominantly mature p85PR-RT and p40IN Pol subunits. Characterization of various PFV Gag-Pol fusion constructs revealed that PFV Pol expression in an orthoretroviral manner is compatible with PFV replication as long as a proteolytic processing between Gag and Pol proteins is possible. PFV Gag-Pol translation by a HIV-1 like ribosomal frameshift signal resulted in production of replication-competent virions, although cell- and particle-associated Pol levels were reduced in comparison to wild type. In-frame fusion of PFV Gag and Pol ORFs led to increased cellular Pol levels, but particle incorporation was only marginally elevated. Unlike that reported for similar orthoretroviral constructs, a full-length in-frame PFV Gag-Pol fusion construct showed wildtype-like particle release and infectivity characteristics. In contrast, in-frame PFV Gag-Pol fusion with C-terminal Gag ORF truncations or non-removable Gag peptide addition to Pol displayed wildtype particle release, but reduced particle infectivity. PFV Gag-Pol precursor fusion proteins with inactivated protease were highly deficient in regular particle release, although coexpression of p71Gag

  9. Condutividade da Polianilina e Poliacrilonitrila Dopadas com Fe(II e Fe(III

    Directory of Open Access Journals (Sweden)

    Yonis Fornazier Filho

    2015-01-01

    Full Text Available In this work we report O estudo da interação de íons Fe(II com a polianilina foi feito através da obtenção deste polímero na forma de salthe studies on Polyaniline Emeraldine (PANI-ES and Polyacrilonitrile (PAN doped with salt of Fe (II and Fe(III. We used the techniques of conductivity measurements with aplicação de pressão.application of pressure.  The results showed that conductivity of PANI-ES increase with pressure of range of 1.73 MPa until 20.0 MPa and PAN also increase with maximum of 6.0 mPa except to samples PAN-2-TT-FeIII and PAN-2-TTAA-FeIII.

  10. DnaB gene product-independence of DNA polymerase III-directed repair synthesis in Escherichia coli K-12

    International Nuclear Information System (INIS)

    Billen, D.; Hellermann, G.R.

    1977-01-01

    An investigation has been carried out into the role of dnaB gene product in X-ray-induced repair synthesis carried out by DNA polymerase III in toluene-treated Escherichia coli K-12. A polAl polBlOO dnaB mutant deficient in both DNA polymerase I and II activities was used, and it was shown that the level of X-ray-induced, ATP-dependent, non-conservative DNA synthesis was, unlike semi-conservative DNA synthesis, unaffected by a temperature shift from 30 0 to 42 0 C. The dnaB gene product was not therefore necessary for DNA polymerase III-directed repair synthesis, which occurred in the absence of replicative synthesis. (U.K.)

  11. Arabidopsis Pol II-Dependent in Vitro Transcription System Reveals Role of Chromatin for Light-Inducible rbcS Gene Transcription1

    Science.gov (United States)

    Ido, Ayaka; Iwata, Shinya; Iwata, Yuka; Igarashi, Hisako; Hamada, Takahiro; Sonobe, Seiji; Sugiura, Masahiro; Yukawa, Yasushi

    2016-01-01

    In vitro transcription is an essential tool to study the molecular mechanisms of transcription. For over a decade, we have developed an in vitro transcription system from tobacco (Nicotiana tabacum)-cultured cells (BY-2), and this system supported the basic activities of the three RNA polymerases (Pol I, Pol II, and Pol III). However, it was not suitable to study photosynthetic genes, because BY-2 cells have lost their photosynthetic activity. Therefore, Arabidopsis (Arabidopsis thaliana) in vitro transcription systems were developed from green and etiolated suspension cells. Sufficient in vitro Pol II activity was detected after the minor modification of the nuclear soluble extracts preparation method; removal of vacuoles from protoplasts and L-ascorbic acid supplementation in the extraction buffer were particularly effective. Surprisingly, all four Arabidopsis Rubisco small subunit (rbcS-1A, rbcS-1B, rbcS-2B, and rbcS-3B) gene members were in vitro transcribed from the naked DNA templates without any light-dependent manner. However, clear light-inducible transcriptions were observed using chromatin template of rbcS-1A gene, which was prepared with a human nucleosome assembly protein 1 (hNAP1) and HeLa histones. This suggested that a key determinant of light-dependency through the rbcS gene transcription was a higher order of DNA structure (i.e. chromatin). PMID:26662274

  12. Polímeros como modificadores asfálticos

    Directory of Open Access Journals (Sweden)

    Letícia SocaI da Silva

    2009-12-01

    Full Text Available

    Neste trabalho foram preparadas diferentes misturas de ligante asfáltico modificado com polímeros. Foram utilizadas quatro amostras de polímeros, sendo duas de SBS, uma de SEBS e uma de Polietileno Modificado, as quais foram caracterizadas quanto a sua estrutura e propriedades térmicas através de técnicas de Ressonância Magnética Nuclear (RMN, Cromatografia por Permeação a Gel (GPC, Análise Termogravimétrica (TGA e Calorimetria Diferencial de Varredura (DSC. O ligante modificado foi avaliado quanto a sua viscosidade, retorno elástico, comportamento reológico e estabilidade à estocagem. Foram correlacionadas a estrutura química e as transições térmicas dos polímeros com as características do ligante modificado. Os polímeros do tipo SBS foram os melhores modificadores de asfalto, quando comparado com os demais polímeros avaliados.

  13. Ideologia e comportamento político no eleitorado brasileiro

    Directory of Open Access Journals (Sweden)

    Carlos Oliveira

    2015-12-01

    Full Text Available Este artigo aborda o papel das ideologias esquerda edireita sobre o comportamento político do eleitorado brasileiro, com foco na constrição que essas ideologias devem gerar sobre suas preferências políticas. Em outras palavras, avalia se o eleitor estrutura suas atitudes políticas em consonância com a ideologia de que diz ser adepto. Usando dados de survey do Estudo Eleitoral Brasileiro (Eseb, os achados indicam que parte significativa do eleitorado do Brasil nem se autoposiciona ideologicamente. Pior ainda, a ideologia declarada por poucos eleitores não constringe suas preferências políticas. Seguramente, a grande maioria dos eleitores não conhece a complexidade envolta no antagonismo programático de cada lado do espectro ideológico. Conclui-se, portanto, que as ideologias não são importantes para o comportamento político do eleitorado brasileiro.

  14. Por que rir da Filosofia Política?: Abertura

    Directory of Open Access Journals (Sweden)

    Lessa Renato

    1998-01-01

    Full Text Available As diferentes intervenções que compuseram este debate têm como referência comum uma reflexão sobre os lugares da Filosofia Política na tradição disciplinar que designamos como Ciência Política. Recusando a perspectiva que dissocia a Filosofia Política da dimensão empiricamente orientada da disciplina, os argumentos apresentados destacam o papel de fertilização de formas de vida cumprido pela primeira. A agenda dos pesquisadores devotados à boa faina da investigação empírica foi, e segue sendo, em grande medida definida e configurada por exercícios prévios de invenção social e política e por decisões de ordem ontológica, epistemológica e retórica. Neste sentido, a distinção entre ciência e filosofia é, além de obscurantista e marcada por enorme otimismo epistemológico, sintoma de um desconhecimento forte com relação à história do conhecimento político.

  15. Scattering property based contextual PolSAR speckle filter

    Science.gov (United States)

    Mullissa, Adugna G.; Tolpekin, Valentyn; Stein, Alfred

    2017-12-01

    Reliability of the scattering model based polarimetric SAR (PolSAR) speckle filter depends upon the accurate decomposition and classification of the scattering mechanisms. This paper presents an improved scattering property based contextual speckle filter based upon an iterative classification of the scattering mechanisms. It applies a Cloude-Pottier eigenvalue-eigenvector decomposition and a fuzzy H/α classification to determine the scattering mechanisms on a pre-estimate of the coherency matrix. The H/α classification identifies pixels with homogeneous scattering properties. A coarse pixel selection rule groups pixels that are either single bounce, double bounce or volume scatterers. A fine pixel selection rule is applied to pixels within each canonical scattering mechanism. We filter the PolSAR data and depending on the type of image scene (urban or rural) use either the coarse or fine pixel selection rule. Iterative refinement of the Wishart H/α classification reduces the speckle in the PolSAR data. Effectiveness of this new filter is demonstrated by using both simulated and real PolSAR data. It is compared with the refined Lee filter, the scattering model based filter and the non-local means filter. The study concludes that the proposed filter compares favorably with other polarimetric speckle filters in preserving polarimetric information, point scatterers and subtle features in PolSAR data.

  16. Salazarismo y política exterior

    Directory of Open Access Journals (Sweden)

    Juan Carlos JIMÉNEZ REDONDO

    2010-02-01

    Full Text Available RESUMEN: El sistema internacional jugó para la Portugal de Salazar un papel esencial al actuar como fuente privilegiada de la que extraer los recursos materiales (económicos, tecnológicos o financieros e inmateriales (factores de legitimación que garantizaron el programa de reforma política de la dictadura y que permitieron al país desempeñar un papel internacional desproporcionadamente relevante si consideramos su condición de pequeña potencia periférica europea. La novedad del salazarismo respecto a períodos anteriores consistió en la adecuación de esas necesidades de apertura al exterior con una fuerte percepción de los intereses nacionales, dentro de una estrategia pragmática que le permitió acomodarse a la acelerada evolución del sistema internacional y, sobre todo, al cambio que se produjo en el sistema internacional de acuerdo a la dinámica de la Guerra Fría y sus distintas fases. Palabras clave: Salazarismo, OTAN, EFTA, Botelho Moniz, Guerra colonial, descolonización. ABSTRACT: The international system played for the Portugal of Salazar an essential role when acting like privileged source of which to extract the material resources (economic, technological or financial and immaterial (legitimation factors that guaranteed the program of political reform of the dictatorship and that allowed the country to play very out of proportion excellent a role international if we considered its condition of small European peripheral power. The newness of the salazarism with respect to previous periods consisted of the adjustment of those necessities of opening to the outside with a strong perception of the national interests, within a pragmatic strategy that allowed to comply him to the accelerated evolution of the international system and, mainly, to the change that took place in the international system according to the dynamics of the cold war and its different phases. Keywords: Salazarism, NATO, EFTA, Botelho Moniz, Colonial

  17. PREFACE: Quantum Optics III

    Science.gov (United States)

    Orszag, M.; Retamal, J. C.; Saavedra, C.; Wallentowitz, S.

    2007-06-01

    All the 50 years of conscious pondering did not bring me nearer to an answer to the question `what is light quanta?'. Nowadays, every rascal believes, he knows it, however, he is mistaken. (A Einstein, 1951 in a letter to M Besso) Quantum optics has played a key role in physics in the last several decades. On the other hand, in these early decades of the information age, the flow of information is becoming more and more central to our daily life. Thus, the related fields of quantum information theory as well as Bose-Einstein condensation have acquired tremendous importance in the last couple of decades. In Quantum Optics III, a fusion of these fields appears in a natural way. Quantum Optics III was held in Pucón, Chile, in 27-30 of November, 2006. This beautiful location in the south of Chile is near the lake Villarrica and below the snow covered volcano of the same name. This fantastic environment contributed to a relaxed atmosphere, suitable for informal discussion and for the students to have a chance to meet the key figures in the field. The previous Quantum Optics conferences took place in Santiago, Chile (Quantum Optics I, 2000) and Cozumel, Mexico (Quantum Optics II, 2004). About 115 participants from 19 countries attended and participated in the meeting to discuss a wide variety of topics such as quantum-information processing, experiments related to non-linear optics and squeezing, various aspects of entanglement including its sudden death, correlated twin-photon experiments, light storage, decoherence-free subspaces, Bose-Einstein condensation, discrete Wigner functions and many more. There was a strong Latin-American participation from Argentina, Brazil, Chile, Colombia, Peru, Uruguay, Venezuela and Mexico, as well as from Europe, USA, China, and Australia. New experimental and theoretical results were presented at the conference. In Latin-America a quiet revolution has taken place in the last twenty years. Several groups working in quantum optics and

  18. "Ismos", "ícones" e intérpretes: as lógicas das "etiquetagens" na política de dois estados brasileiros (MA e RS

    Directory of Open Access Journals (Sweden)

    Igor Gastal Grill

    2012-10-01

    Full Text Available O trabalho de fabricação de "etiquetas" e "ícones" da política brasileira é examinado neste artigo. O foco recai sobre "vultos" e intérpretes da história política de dois estados brasileiros, Rio Grande do Sul (RS e Maranhão (MA, assim como sobre as versões produzidas acerca do "Getulismo", "Pasqualinismo", "Brizolismo", "Vitorinismo" e "Sarneysismo". O exercício de análise executado consistiu em perceber as ligações entre os intérpretes desses "ismos", os líderes políticos e os tecidos relacionais que dão sentido às identificações, distinções e tomadas de posição. Ou seja, foram analisados os recursos sociais sobre os quais assentam (i sua reputação política e intelectual (origem social, reconhecimento profissional, cargos políticos, títulos e pertencimento a instâncias de consagração intelectual; (ii seus alinhamentos políticos e (iii seus movimentos nos jogos faccionais nas duas configurações regionais. Mediante a análise dos seus itinerários e das modalidades de textos (biografias, livros e artigos de jornais produzidos, a reflexão explora os usos e a relevância, como instrumentos políticos e como meios de identificação: da ativação da memória política; das genealogias simbólicas; da personificação do capital simbólico; das relações de reciprocidade; do papel de mediação; das bases sociais e do domínio de uma forma de expressão que é a "escrita" ou da associação ao universo da intelectualidade.

  19. Fraternidad (un concepto político a debate)

    OpenAIRE

    Agra Romero, María Xosé

    1994-01-01

    Este artículo propone una reflexión sobre la pertinencia del concepto político de fraternidad para el lenguaje político actual. Partiendo de la necesidad de examinar la lógica propia de la fraternidad, su conceptualización o tradición, su cristalización en tomo a la familia, el trabajo y la nación, se trata de establecer como la «metáfora de la familia» en la que, de una forma u otra, siempre se inscribe o reescribe la fraternidad pública o política, condiciona de una manera signifi...

  20. Naturaleza humana y política en Denis Diderot

    Directory of Open Access Journals (Sweden)

    Pablo Scotto Benito

    2015-02-01

    Full Text Available El presente trabajo se propone relacionar la concepción que Diderot tiene del ser humano con sus ideas políticas. A pesar de que no se pueda hallar en la obra del “filósofo” un tratado sistemático en el que el estudio de la naturaleza humana sirva como fundamentación de un determinado sistema político, la epistemología empirista y el monismo materialista diderotianos, con la consecuente revalorización de las pasiones corporales, conducen a una moral y una política universalistas, acordes con la naturaleza humana y centradas en la felicidad de los individuos.

  1. Corrupción política y nepotismo

    OpenAIRE

    Ortiz Ibarra, Yaneth Alejandra

    2009-01-01

    Definida la corrupción política se presentan las diferentes formas que ésta adopta: la corrupción en la función legislativa, el clientelismo, y la financiación corrupta. Se dedica especial atención al nepotismo, acuñando un concepto propio y considerándolo una forma más de corrupción política y una variante del clientelismo explicando los criterios por los cuales se debe considerar el nombramiento de familiares para cargos públicos una práctica de política corrupta, así como las excepciones d...

  2. Asia Central en la política exterior rusa

    Directory of Open Access Journals (Sweden)

    Javier Morales

    2012-01-01

    Full Text Available Las políticas rusas hacia Asia Central han estado condicionadas por la herencia histórica anterior a la disolución de la URSS, pero también por los cambios en el sistema internacional y en la propia Rusia acaecidos desde entonces. ¿En qué medida la actuación de Rusia ha sido coherente y estable, basada en una estrategia para Asia Central fundamentada en los intereses nacionales? En este artículo examinamos los fundamentos de la política exterior rusa en relación con Asia Central, dividiéndola en tres apartados: político, económico y de seguridad.

  3. Elecciones, Jóvenes y Política

    Directory of Open Access Journals (Sweden)

    Anna María Fernández Poncela

    1999-01-01

    Full Text Available Este texto muestra el papel de la juventud en un posible cambio político, especialmente en el espacio elec toral. Se centra, en concreto, en la postura político - elec toral de los jóvenes en nuestros días y de cara al fu turo cercano; por una parte, comparada con otros grupos de edad; por otra, específicamente en tre los universitarios, y finalmente intentando vislumbrar los escenarios del porvenir al respecto. Para ello se emplearán datos de una encuesta nacional, encuestas universitarias y sondeos de opinión en torno a la convocatoria de 1997, sobre todo en los resultados de las preguntas sobre la simpatía política y preferencias electorales, a quiénes se votó y a quiénes se votará.

  4. Política habitacional de Argentina y Chile durante los noventa. Un estudio de política comparada

    Directory of Open Access Journals (Sweden)

    Mercedes Lentini

    2005-01-01

    Full Text Available La óptica del análisis comparado de políticas habitacionales conduce las argumentaciones de este artículo. Se pretende sinteti-zar algunos resultados de una investigación de mayor alcance cuyo objetivo central se planteó a partir de la necesidad de efectuar el análisis de las políticas públicas de vivienda implementadas por dos países de la Región: Chile y Argentina. Se indaga en torno a los efectos producidos sobre las políticas por los procesos hegemónicos que dominaron la escena interna-cional durante el último cuarto del siglo XX. Se analiza, la concreción y alcances del denominado enfoque facilitador que carac-terizó la política habitacional durante los noventa. Posteriormente, se sintetizan diez enseñanzas que resultan del análisis de las políticas en los dos países. Finalmente, a modo de conclusión, se realiza un breve análisis del camino seguido por ambos países al inicio del nuevo siglo. Se identifican cambios en el rol del Estado y nuevas estrategias de intervención.

  5. Basel III D: Swiss Finish to Basel III

    OpenAIRE

    Christian M. McNamara; Natalia Tente; Andrew Metrick

    2014-01-01

    After the Basel Committee on Banking Supervision (BCBS) introduced the Basel III framework in 2010, individual countries confronted the question of how best to implement the framework given their unique circumstances. Switzerland, with a banking industry that is both heavily concentrated and very large relative to the size of its overall economy, faced a special challenge. It ultimately adopted what is sometimes referred to as the “Swiss Finish” to Basel III – enhanced requirements applicable...

  6. Historia del pensamiento político moderno (09 Marxismo)

    OpenAIRE

    Sanz Díaz, Benito

    2010-01-01

    1.- Manifiesto del Partido Comunista. Un fantasma recorre Europa: el fantasma del comunismo. 2.- El socialismo científico. 3.- Materialismo histórico. La teoría de la revolución en Marx. La dialéctica hegeliana. Determinismo. &&&&& Historia del Pensamiento Político Moderno tiene como objetivo ofrecer una visión de aspectos centrales del pensamiento político moderno, del siglo XVI al XX. Los textos de los autores escogidos constituyen el punto de apoyo fundamental en el desarrollo del ...

  7. La política como espectáculo

    Directory of Open Access Journals (Sweden)

    Juan E. Fernández

    2015-01-01

    Full Text Available La política siempre estuvo ligada al espectáculo, la pompa y el teatro. La antigua oratoria imperial, eclesiástica y solemne; los debates cargados de ironías en asambleas y parlamentos; y los actuales espectáculos políticos televisados difieren más en la forma y el alcance (curiosamente más democrático que en su ausencia comunicacional. El autor piensa, que hay mucho de siniestro y peligroso en la trivialización del camino al poder cuando lo que está en juego parece ser la vida misma.

  8. La agricultura peruana: problemas, potencialidades y políticas

    OpenAIRE

    Adolfo Figueroa

    1986-01-01

    El presente trabajo tiene por objeto presentar, primero, los problemas estructurales de la agricultura peruana, luego sus potencialidades y, finalmente, los elementos para el diseño de políticas económicas. Debo admitir que este objetivo es muy ambicioso para ser desarrollado en un artículo y por un investigador individual. Por ello espero que el artículo logre, más bien, ordenar los elementos básicos para la discusión de la política económica dirigida al desarrollo agrícola del Perú....

  9. Encuestas políticas: Paradojas y aproximaciones.

    OpenAIRE

    Emili Utreras

    2008-01-01

    Las encuestas no son una bola de cristal para hacer predicciones del futuro, son un instrumento para conocer la realidad y poder actuar a futuro. En política se las usa para las campañas. Últimamente en el Ecuador la encuesta se ha convertido en una herramienta para la investigación de la opinión pública, ha sido utilizada en las campañas electorales para tener información sobre las opiniones y percepciones de los ciudadanos sobre la vida cotidiana o la coyuntura política. Las encuestas solo ...

  10. Historia del pensamiento político moderno (11 Comunismo)

    OpenAIRE

    Sanz Díaz, Benito

    2010-01-01

    1. Revolución rusa y leninismo. 2. El leninismo. Vladimir Ilich Ulianov, Lenin, 1870-1924. 3. La doctrina leninista del Estado.- 4. La revolución en un solo país y el campo socialista.- 5. El estalinismo.- Estalinismo en el Mundo. Eurocomunismo. 7. El socialismo en Occidente. 8. Los marxismos del siglo XX.- El neomarxismo Historia del Pensamiento Político Moderno tiene como objetivo ofrecer una visión de aspectos centrales del pensamiento político moderno, del siglo XVI al XX...

  11. La violencia política de la izquierda Europea

    OpenAIRE

    Domínguez Sánchez-Pinilla, Mario

    2001-01-01

    1968 marca, en diversos países europeos, el fin de la hegemonía del marxismo ortodoxo; la izquierda occidental comienza a alejarse como reacción a su inmovilismo. En respuesta, surgen grupos cuya urgencia por la acción -además de la heterogeneidad social y política de los escenarios nacionales- da paso a la violencia política. Con especial énfasis en Italia y Alemania se analiza el surgimiento, la estructura, acciones e ideología de las organizaciones del terrorismo izquierdista europeo....

  12. Republicanos y política municipal en Valladolid

    OpenAIRE

    Cano García, Juan Antonio

    2000-01-01

    El presente artículo estudia las estrategias del partido republicano en Valladolid desde 1880 en que volvieron a la legalidad. Este partido introdujo un nuevo modelo de actuación política basado en una movilización política masiva, sobre todo entre las clases trabajadoras. Los concejales republicanos intentaron terminar con las practicas de corrupción que los partidos oficiales utilizaban para beneficiar a sus miembros. This paper studies the politic strategies of republican party in Valla...

  13. Responsabilidad social corporativa y conexiones políticas

    OpenAIRE

    Ceballos Gallego, Nicolás Bernardo

    2017-01-01

    La inclusión de políticas de Responsabilidad Social en la actividad productiva es una estrategia que en la actualidad se ve asociada al buen desempeño empresarial. Paralelo a esto, se lleva a cabo un ejercicio de respaldo a causas políticas que define el comportamiento de las compañías en términos de gobierno corporativo. Se encuentra una relación positiva y significativa entre ambos conceptos sugiriendo una relación complementaria entre ambos y asociada a causas filantrópicas más allá de lo...

  14. Thermodecomposition of lanthanides (III) and ytrium (III) glucoheptonates

    International Nuclear Information System (INIS)

    Giolito, J.

    1987-01-01

    The lanthanides (III) and yttrium (III) glucoheptonates as well the D-glucoheptono 1-4 lactone were studied using common analytical methods, elemental microanalysis of carbon and hydrogen, thermogravimetry and differential scanning calorimetry. These compounds were prepared from the reaction between the lanthanides (III) and yttrium (III) hydroxides and glucoheptonic acid aqueous solution obtained by means of the delta lactone hydrolysis of this acid. After stoichiometric reaction the compounds were precipitated by the addition of absolute ethanol, washed with the same solvent and dried in desiccator. Thermogravimetric the (TG) curves of the lanthanides glucoheptonates of the ceric group present thermal profiles with enough differences permitting an easy caracterization of each compound and the yttrium (III) glucoheptonate TG curve showed a great similarity with the erbium (III) compound TG curve. The differential scanning calometry (DSC) curves showed endothermic and exothermic peaks by their shape, height and position (temperature) permit an easy and rapid identification of each compound specially if DSC and TG curves were examined simultaneously. (author) [pt

  15. La justicia como problema político. Del constructivismo moral kantiano al constructivismo político rawlsiano

    Directory of Open Access Journals (Sweden)

    Jefferson Jaramillo Marín

    2009-01-01

    Full Text Available El artículo expone la justicia como un problema político desde la perspectiva del filósofo John Rawls. En su desarrollo se señalan las implicaciones del constructivismo kantiano en el constructivismo político rawlsiano. Se discute cómo la conexión entre estos dos tipos de constructivismo, proporciona un procedimiento de construcción, en el que agentes racionalmente autónomos, sujetos a condiciones razonables, elaboran acuerdos sobre principios públicos de justicia para lograr un sistema justo de cooperación que trascienda generacionalmente. Se concluye, mostrando las limitaciones y alcances de esta propuesta en el pensamiento filosófico y político contemporáneo.

  16. As assimetrias entre as políticas setoriais e a política de planejamento regional no Brasil

    Directory of Open Access Journals (Sweden)

    João Mendes da Rocha Neto

    2011-12-01

    Full Text Available O modo de conduzir a formulação das políticas de desenvolvimento regional tem se constituído em ampla arena de embates acadêmicos e técnicos e levado a reflexões sobre os rumos das múltiplas políticas que acompanham esse processo de planejamento regional. Isso, em parte, decorre do processo de globalização e das políticas neoliberais que o acompanham, as quais possuem um forte apelo à competitividade. Essa estratégia de buscar espaços "privilegiados" se fez presente de uma forma intensa em alguns setores produtivos, que, ao usar o espaço como mercadoria, utilizam seu conjunto de atributos (naturais e artificiais para realizarem-se e reproduzirem-se como parte do sistema. Assim, a proposta de estudo pretende responder a questão: em que medida as políticas públicas setoriais têm dialogado com as políticas de planejamento e desenvolvimento regional no âmbito do governo federal? No caso das políticas de planejamento regional, o recorte espacial é visto como um instrumento que, ao ser aplicado, pode se mostrar capaz de viabilizar a integração de ações multissetorializadas, o que em certa dimensão apontaria para uma maior eficiência do Estado na busca por restabelecer o equilíbrio esgarçado, tornando mais eficiente o planejamento.

  17. Crystal structure of DNA polymerase III β sliding clamp from Mycobacterium tuberculosis.

    Science.gov (United States)

    Gui, Wen-Jun; Lin, Shi-Qiang; Chen, Yuan-Yuan; Zhang, Xian-En; Bi, Li-Jun; Jiang, Tao

    2011-02-11

    The sliding clamp is a key component of DNA polymerase III (Pol III) required for genome replication. It is known to function with diverse DNA repair proteins and cell cycle-control proteins, making it a potential drug target. To extend our understanding of the structure/function relationship of the sliding clamp, we solved the crystal structure of the sliding clamp from Mycobacterium tuberculosis (M. tuberculosis), a human pathogen that causes most cases of tuberculosis (TB). The sliding clamp from M. tuberculosis forms a ring-shaped head-to-tail dimer with three domains per subunit. Each domain contains two α helices in the inner ring that lie against two β sheets in the outer ring. Previous studies have indicated that many Escherichia coli clamp-binding proteins have a conserved LF sequence, which is critical for binding to the hydrophobic region of the sliding clamp. Here, we analyzed the binding affinities of the M. tuberculosis sliding clamp and peptides derived from the α and δ subunits of Pol III, which indicated that the LF motif also plays an important role in the binding of the α and δ subunits to the sliding clamp of M. tuberculosis. Copyright © 2011 Elsevier Inc. All rights reserved.

  18. Celestine III and the North

    DEFF Research Database (Denmark)

    Nielsen, Torben Kjersgaard

    2008-01-01

    Artiklen gennemgår pave Cølestin IIIs forhold til de nordiske kongeriger i perioden 1191-1198. Artiklen viser, at paven, som i forskningen traditionelt år har stået i skyggen af sin berømte, energiske og især: yngre efterfølger, Innocens III, har været på forkant med udviklingen i de nordiske rig...

  19. Construtivismo Político: Além do Realismo e Antirrealismo

    Directory of Open Access Journals (Sweden)

    Denis Coitinho Silveira

    2011-12-01

    Full Text Available http://dx.doi.org/10.5007/1677-2954.2011v10n1p1 O artigo tem o objetivo de investigar as características centrais do modelo ético coerentista utilizado por Rawls nos textos A Theory of Justice (TJ I, § 4, 9, Political Liberalism (PL III, “Kantian Constructivism in Moral Theory” (KCMT, “Themes in Kant’s Moral Philosophy” (TKMP, Lectures on History of Moral Philosophy (LHMP: 69-83; 235-252, “Reply to Habermas” (RH § 2, The Law of Peoples (LP I, Justice as Fairness: A Restatement (JF I; V, Collected Papers (CP. Especificamente, quero ver como seu construtivismo político oferece uma alternativa ao problema debatido entre realistas e antirrealistas, a saber, se existem fatos morais independente das crenças ou se estes dependem da estrutura mental do agente, sendo uma alternativa tanto ao construtivismo moral kantiano como ao intuicionismo racional. Quero defender que o construtivismo político é um modelo contratualista coerentista holístico e que faz uso de uma ontologia social, conduzindo a um modelo pragmático de justificação em um âmbito público que supera este impasse em ontologia moral. Para tal, inicio com a controvérsia entre realistas e antirrealistas e, após, analiso a teoria rawlseana à luz deste debate. Por fim, procuro estabelecer algumas considerações conclusivas sobre este problema.

  20. File list: Pol.CDV.50.AllAg.Atrioventicular_canals [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.CDV.50.AllAg.Atrioventicular_canals mm9 RNA polymerase Cardiovascular Atrioventicular canals... http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.CDV.50.AllAg.Atrioventicular_canals.bed ...

  1. File list: Pol.CDV.20.AllAg.Atrioventicular_canals [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  2. File list: Pol.CDV.10.AllAg.Atrioventicular_canals [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  3. File list: Pol.CDV.05.AllAg.Atrioventicular_canals [Chip-atlas[Archive

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  4. File list: Pol.Unc.50.AllAg.Unclassified [Chip-atlas[Archive

    Lifescience Database Archive (English)

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    Full Text Available Pol.Unc.10.AllAg.Unclassified sacCer3 RNA polymerase Unclassified Unclassified http...://dbarchive.biosciencedbc.jp/kyushu-u/sacCer3/assembled/Pol.Unc.10.AllAg.Unclassified.bed ...

  8. File list: Pol.Unc.10.AllAg.Unclassified [Chip-atlas[Archive

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  9. File list: Pol.Prs.10.AllAg.Prostatic_Neoplasms [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  10. File list: Pol.Prs.50.AllAg.Prostatic_Neoplasms [Chip-atlas[Archive

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  11. File list: Pol.Prs.20.AllAg.Prostatic_Neoplasms [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  12. File list: Pol.Prs.05.AllAg.Prostatic_Neoplasms [Chip-atlas[Archive

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  13. File list: Pol.Bld.20.AllAg.Leukemia,_Myeloid [Chip-atlas[Archive

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  14. File list: Pol.Bld.50.AllAg.Leukemia,_Myeloid [Chip-atlas[Archive

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  15. File list: Pol.Bld.10.AllAg.Leukemia,_Myeloid [Chip-atlas[Archive

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  16. File list: Pol.Bld.10.AllAg.Leukemia,_Lymphoid [Chip-atlas[Archive

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  17. File list: Pol.Bld.10.AllAg.Leukemia,_Myeloid [Chip-atlas[Archive

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  18. File list: Pol.Bld.05.AllAg.Leukemia,_Myeloid [Chip-atlas[Archive

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  19. File list: Pol.Bld.50.AllAg.Leukemia,_Lymphoid [Chip-atlas[Archive

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    Full Text Available Pol.Bld.50.AllAg.Leukemia,_Lymphoid mm9 RNA polymerase Blood Leukemia, Lymphoid htt...p://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Bld.50.AllAg.Leukemia,_Lymphoid.bed ...

  20. File list: Pol.Bld.05.AllAg.Leukemia,_Lymphoid [Chip-atlas[Archive

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    Full Text Available Pol.Bld.05.AllAg.Leukemia,_Lymphoid mm9 RNA polymerase Blood Leukemia, Lymphoid htt...p://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Bld.05.AllAg.Leukemia,_Lymphoid.bed ...

  1. File list: Pol.Bld.20.AllAg.Leukemia,_Myeloid [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Bld.20.AllAg.Leukemia,_Myeloid hg19 RNA polymerase Blood Leukemia, Myeloid http...://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Bld.20.AllAg.Leukemia,_Myeloid.bed ...

  2. File list: Pol.Bld.20.AllAg.Leukemia,_Lymphoid [Chip-atlas[Archive

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  3. File list: Pol.Bld.05.AllAg.Leukemia,_Myeloid [Chip-atlas[Archive

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  4. File list: Pol.Bld.50.AllAg.Leukemia,_Myeloid [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Bld.50.AllAg.Leukemia,_Myeloid mm9 RNA polymerase Blood Leukemia, Myeloid http:...//dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Bld.50.AllAg.Leukemia,_Myeloid.bed ...

  5. File list: Pol.CDV.50.AllAg.Cardiomyocytes [Chip-atlas[Archive

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  6. File list: Pol.CDV.10.AllAg.Cardiomyocytes [Chip-atlas[Archive

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  7. File list: Pol.CDV.20.AllAg.Cardiomyocytes [Chip-atlas[Archive

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  8. File list: Pol.CDV.05.AllAg.Cardiomyocytes [Chip-atlas[Archive

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  9. File list: Pol.Bld.20.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  10. File list: Pol.Bld.50.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  11. File list: Pol.Bld.05.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

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  12. La justicia como problema político. Del constructivismo moral kantiano al constructivismo político rawlsiano

    OpenAIRE

    Jefferson Jaramillo Marín; Yesid Echeverry Enciso

    2009-01-01

    El artículo expone la justicia como un problema político desde la perspectiva del filósofo John Rawls. En su desarrollo se señalan las implicaciones del constructivismo kantiano en el constructivismo político rawlsiano. Se discute cómo la conexión entre estos dos tipos de constructivismo, proporciona un procedimiento de construcción, en el que agentes racionalmente autónomos, sujetos a condiciones razonables, elaboran acuerdos sobre principios públicos de justicia para lograr un sistema justo...

  13. La escisión entre Ciencia Política y realidad política: el caso de la Seguridad Democrática

    Directory of Open Access Journals (Sweden)

    Carlos Andrés Ramírez González

    2014-12-01

    Full Text Available La política de seguridad democrática, adoptada por el Presidente Álvaro Uribe Vélez durante su periodo de gobierno, resultó en un viraje fundamental en los rumbos del país luego del fallido proceso de paz del gobierno Pastrana. En este sentido, el presente trabajo busca demostrar que la Ciencia Política abordó el fenómeno político en contravía con el curso de los hechos, de tal manera que mientras la política de Seguridad Democrática propugnaba por un aumento en la ofensiva militar, la visión desde la Ciencia Política se concentraba en la manera de llegar a unos diálogos de paz o una salida concertada al conflicto. Esto, por tanto, se puede traducir en un rechazo al punto de vista preponderante y a una postura alternativa en el estudio de la realidad política nacional. Para demostrar lo anterior, se realiza una revisión documental aplicada a artículos académicos en cuatro revistas de Ciencia Política del país: Análisis Político, Colombia Internacional, Papel Político y Estudios Políticos durante el periodo de publicación de 2002 a 2012.

  14. A política do ensaio político de catálogo

    Directory of Open Access Journals (Sweden)

    Julian Stallabrass

    2010-01-01

    Full Text Available Este texto foi originalmente publicado no livro Villa Lituania, que aborda o trabalho homônimo, apresentado pela dupla de artistas lituanos Nomeda & Gediminas Urbonas na 52ª Bienal de Veneza, em 2007. O título designa o edifício que até 1940 sediou, em Roma, a primeira embaixada da república independente da Lituania, mantido sob jurisdição das autoridades russas mesmo após a queda do bloco soviético, em 1989, e considerado, pela ex-república soviética, território nacional ocupado. O trabalho implicou na construção de um pombal na Villa Lituania e numa série de ações de conotação política e social em Veneza, Roma e Vilna, cidade onde a dupla reside. Os artistas são conhecidos internacionalmente pela dimensão política e social que pretendem infundir a suas ações. Não obstante a forte carga ideológica que envolveu a intervenção de Nomeda & Gediminas Urbonas na Bienal de Veneza, neste ensaio o autor, tributário da tradição marxista, demonstra notável ceticismo em relação à potência crítica do discurso marxista evocado em parte significativa da arte contemporânea.This text has been originally published in the book Villa Lituania, which approaches the homonymous work presented by the lithuanian artists Nomeda & Gediminas Urbonas, at the 52ª Venice Biennial, in 2007. The title is the name of the building used until 1940 as the seat for the first independent Lithuania Republic's embassy, in Rome, nevertheless kept under the jurisdiction of Russian authorities since the fall of the soviet bloc, in 1989, and considered, by the ex-soviet Republic, national territory under foreign occupation. The work involved the creation of a pigeon loft at Villa Lituania building, as well as a series of actions targeted at social and politic issues in Venice, Rome and Vilnius, where the tandem lives. Socially and politically addressed actions have made the artists internationally known. Notwithstanding the strong ideological drive

  15. Representação Política: modelos e problematizações.

    Directory of Open Access Journals (Sweden)

    Carolina Leister

    2014-06-01

    Full Text Available http://dx.doi.org/10.5007/2175-7984.2014v13n26p89 Primordialmente é introduzido um enquadre contratual para tratar da temática da representação política. Em seguida são apresentados três modelos de representação: (i modelo de representação na concepção sociológica ou representação como microcosmo; (ii modelo de representação na concepção do agente/principal; (iii modelo de representação na concepção burkeniana ou representação como autonomia. O objetivo deste artigo é estender-se sobre o segundo deles, o modelo de representação na concepção do agente/principal, por mostrar-se capaz de, em maior extensão, problematizar o conceito de representação política, particularmente se contraposto ao terceiro modelo, a representação na concepção de Burke, mas também com relação ao primeiro modelo, aquele da representação como microcosmo. Em seguida, são identificados alguns desses problemas levantados sobre o modelo do agente/principal, todos eles relativos à conexão/desconexão vontade do representado – decisão do representante. Finalmente são aventadas algumas abordagens que poderiam colaborar na proposição de soluções alternativas para esses problemas, particularmente a teoria dos grupos de Mancur Olson e a teoria da economia constitucional de James Buchanan. Estas soluções são calcadas na tentativa de construir desenhos institucionais que são enquadres para decisões políticas, de modo a garantir que o representante efetivamente adira ao interesse do corpo representado como um todo, em vez de seu próprio interesse e aquele de seu distrito eleitoral específico.

  16. O contratualismo como método: política, direito e neocontratualismo

    Directory of Open Access Journals (Sweden)

    J. R. N. Chiappin

    2010-02-01

    Full Text Available O objetivo deste artigo é apresentar o contratualismo como método e como o resultado de uma sistematização de outros métodos de construção do conhecimento. Enquanto o contratualismo clássico tem como paradigmas os modelos, geométrico e mecânico, da Física de Galileu e de Descartes - em particular, o modelo de escolha racional com Descartes -, o contratualismo rawlsiano tem como paradigma alguns modelos da microeconomia - em particular, o modelo de equilíbrio geral. O método contratualista tem como projeto a transformação, no século XVII, da política e do Direito em uma disciplina científica, assumindo que, no século XVII: (i o modelo do conhecimento é o modelo geométrico e o conhecimento é conhecimento certo; (ii o modelo de indivíduo admite-o como racional e auto-interessado; (iii há uma teoria racional da ação e decisão humana. Portanto, para viabilizar o projeto de transformar a política e o Direito em ciência, o contratualismo é aqui interpretado não substantivamente, mas instrumentalmente, como método para acessar os fundamentos do mundo político. O método contratualista persegue uma combinação do modelo científico do conhecimento das causas eficientes e de suas relações aos efeitos, com o modelo de conhecimento das causas finais como estudo dos fins ou das características funcionais das coisas. Para interpretarmos o contratualismo como método, admitimos o novo modelo da relação entre conhecimento e tecnologia elaborado pela ciência moderna, que sustenta que o conhecimento da natureza é um conhecimento de conquista e domínio capaz de produzir mecanismos tecnológicos de intervenção na natureza com o objetivo de, conhecendo e manipulando as causas, obter os efeitos desejados.

  17. Doença negligenciadas e políticas púbicas

    Directory of Open Access Journals (Sweden)

    Everton Nunes da SILVA

    2014-03-01

    Full Text Available O objetivo deste artigo é analisar as doenças negligenciadas no âmbito das políticas públicas que visam aprimorar os determinantes e condicionantes da saúde. Para tal, são analisados o Plano Brasil sem Miséria e Política Nacional de Ciência, Tecnologia e Inovação em Saúde. O primeiro foi instituído com o objetivo de atingir a população com rendimento domiciliar igual ou inferior a R$ 70,00 por pessoa. O Plano está estruturado em ações nacionais e regionais baseadas em três eixos: i garantia de renda ii inclusão produtiva; e iii serviços públicos. A segunda surge como um esforço interministerial – Saúde, Educação e Ciência e Tecnologia – para ratificar a importância do componente de ciência, tecnologia e inovação na saúde pública, visando desenvolver e otimizar os processos de produção e absorção de conhecimento científico e tecnológico pelos sistemas, serviços e instituições de saúde, centros de formação de recursos humanos, empresas do setor produtivo e demais segmentos da sociedade. Evidencia-se a necessidade de o SUS criar mecanismos de articulação para atingir o objetivo de mitigar os impactos negativos das doenças negligenciadas na população brasileira. Essa articulação não se restringe ao Ministério da Saúde isoladamente, mas com as demais instâncias do Estado, com os Ministérios da Educação, da Ciência, Tecnologia e Inovação, do Desenvolvimento, Indústria e Comércio Exterior, do Desenvolvimento Social e Combate à Pobreza. As duas políticas abordadas neste artigo sinalizam que é possível a cooperação das várias áreas da sociedade para a resolução desse problema específico da saúde.

  18. A interincompreensão gera polêmica: alteridade e heterogeneidade nos discursos das cantoras Anitta e Pitty sobre comportamento sexual feminino

    Directory of Open Access Journals (Sweden)

    Juliane de Araújo Gonzaga

    2017-01-01

    Full Text Available Este artigo se propõe a analisar a situação de polêmica entre as cantoras Anitta e Pitty, durante um programa televiso, em torno do comportamento das mulheres no domínio da sexualidade. Os objetivos específicos são: (i verificar como a alteridade e a heterogeneidade delimitam posições discursivas; (ii descrever a situação de polêmica e a mobilização de simulacros no processo de interincompreensão regrada e (iii analisar a situação de polêmica e demonstrar que a alteridade e a heterogeneidade materializam embates legitimados historicamente no campo da sexualidade. Situado na Análise do Discurso francesa, este trabalho utiliza referencial teórico-metodológico baseado nos pressupostos de Authier-Revuz (1990, 1998, acerca da alteridade e da heterogeneidade enunciativa, e nas considerações de Maingueneau (1993, 2005 sobre o primado do interdiscurso e a polêmica como interincompreensão regrada. O método de análise baseia-se na descrição e interpretação de marcas linguísticas (glosas, pronomes, dêiticos, vocabulário que materializam jogos de alteridade, movimentos de já-ditos e regras sobre o dizível e o indizível no discurso. Por fim, a análise conclui que os enunciados são heterogeneamente marcados e que as posições discursivas produzem situação de polêmica, pois são atravessadas por simulacros, estereótipos e embates históricos entre os gêneros no domínio da sexualidade.

  19. Historia del pensamiento político moderno (04 Hobbes)

    OpenAIRE

    Sanz Díaz, Benito

    2010-01-01

    Tema 4. El triunfo del absolutismo en el siglo XVII 1. El triunfo del absolutismo en el siglo XVII. El absolutismo monárquico. Las revoluciones del siglo XVII en Inglaterra. 2. Thomas Hobbes. 1588 – 1679. Leviatán. 3. El pensamiento político durante el siglo XVII. “El estado soy yo”. Luís XIV.

  20. Políticas en la organización

    Directory of Open Access Journals (Sweden)

    Alvaro Rubio Salas

    1989-04-01

    Full Text Available RESUMEN Toda organización por así decirlo obtiene una serie de políticas que la destacan y la diferencian de las demás, sin embargo se pueden definir en  planes de acción que reflejan e identifican la personalidad y estilo de vida de esta.

  1. On the Interfragment Exchange in the X-Pol Method.

    Science.gov (United States)

    Cembran, Alessandro; Bao, Peng; Wang, Yingjie; Song, Lingchun; Truhlar, Donald G; Gao, Jiali

    2010-01-01

    The inclusion of exchange repulsion terms in the explicit polarization (X-Pol) model is examined by antisymmetrizing the X-Pol Hartree-product wave function; this yields XPol with full eXchange, called X-Pol-X. When the monomers are treated by Hartree-Fock theory, this calculation can be accomplished by using the formalism of block-localized wave functions (BLW) that has been used in a variety of applications. In this case the block-localized structure in the X-Pol-X wave function allows for decomposition of the full Fock matrix of a dimension of M blocks into M smaller Fock matrices. The method is illustrated by considering two trimer structures of water clusters, and it is found that the total exchange repulsion energies in these hydrogen-bonding test cases are adequately treated and-to a good approximation- are pairwise additive. We also present a formalism to yield a simplified Fock matrix by making use of the neglect of interfragment differential overlap (NIDO) approximation, which is less severe than the neglect of diatomic differential overlap (NDDO) approximation.

  2. Consultores políticos: ¿Fabricantes de dioses?

    Directory of Open Access Journals (Sweden)

    Luis Eladio Proaño

    2015-01-01

    Full Text Available Considera el autor que los consultores políticos son fabricantes de dioses capaces de defender a un personaje como presidente pese a su connatural antipatía y falta de credibilidad. Señala lo que importa de una campaña, la originalidad, el slogan y el espectáculo.

  3. Encuesta sobre los partidos políticos

    OpenAIRE

    2015-01-01

    En esta encuesta un grupo de Catedráticos de Derecho constitucional contestan a preguntas relativas al régimen constitucional y legal de los partidos políticos en un Estado democrático: en concreto sobre sus fines y funciones en el Estado democrático

  4. Eesti polütsentriline kunstiharidusruum / Raivo Kelomees

    Index Scriptorium Estoniae

    Kelomees, Raivo, 1960-

    2002-01-01

    Põhineb Eesti Kunstiakadeemia kolledzhi Academia Grata avamise konverentsil 20. I peetud ettekandel. Mis on valesti Eesti kunstihariduses, kunstiõppe spetsiifikast, tasakaalust ja sotsiaalsest kokkuleppest, polütsentrilisest kunstiühiskonnast. Rektor Reiu Tüür sellest, mis muutub Academia Non Grata elus pärast EKA-ga liitumist ja nimevahetust.

  5. HIV-1 clade B pol evolution following primary infection.

    Directory of Open Access Journals (Sweden)

    George K Hightower

    Full Text Available Characterize intra-individual HIV-1 subtype B pol evolution in antiretroviral naive individuals.Longitudinal cohort study of individuals enrolled during primary infection.Eligible individuals were antiretroviral naïve participants enrolled in the cohort from December 1997-December 2005 and having at least two blood samples available with the first one collected within a year of their estimated date of infection. Population-based pol sequences were generated from collected blood samples and analyzed for genetic divergence over time in respect to dual infection status, HLA, CD4 count and viral load.93 participants were observed for a median of 1.8 years (Mean = 2.2 years, SD =1.9 years. All participants classified as mono-infected had less than 0.7% divergence between any two of their pol sequences using the Tamura-Nei model (TN93, while individuals with dual infection had up to 7.0% divergence. The global substitution rates (substitutions/nucleotide/year for mono and dually infected individuals were significantly different (p<0.001; however, substitution rates were not associated with HLA haplotype, CD4 or viral load.Even after a maximum of almost 9 years of follow-up, all mono-infected participants had less than 1% divergence between baseline and longitudinal sequences, while participants with dual infection had 10 times greater divergence. These data support the use of HIV-1 pol sequence data to evaluate transmission events, networks and HIV-1 dual infection.

  6. Fast Superpixel Segmentation Algorithm for PolSAR Images

    Directory of Open Access Journals (Sweden)

    Zhang Yue

    2017-10-01

    Full Text Available As a pre-processing technique, superpixel segmentation algorithms should be of high computational efficiency, accurate boundary adherence and regular shape in homogeneous regions. A fast superpixel segmentation algorithm based on Iterative Edge Refinement (IER has shown to be applicable on optical images. However, it is difficult to obtain the ideal results when IER is applied directly to PolSAR images due to the speckle noise and small or slim regions in PolSAR images. To address these problems, in this study, the unstable pixel set is initialized as all the pixels in the PolSAR image instead of the initial grid edge pixels. In the local relabeling of the unstable pixels, the fast revised Wishart distance is utilized instead of the Euclidean distance in CIELAB color space. Then, a post-processing procedure based on dissimilarity measure is empolyed to remove isolated small superpixels as well as to retain the strong point targets. Finally, extensive experiments based on a simulated image and a real-world PolSAR image from Airborne Synthetic Aperture Radar (AirSAR are conducted, showing that the proposed algorithm, compared with three state-of-the-art methods, performs better in terms of several commonly used evaluation criteria with high computational efficiency, accurate boundary adherence, and homogeneous regularity.

  7. Una alternativa política para la literatura

    Directory of Open Access Journals (Sweden)

    Juan Carlos Moreno

    2006-01-01

    Full Text Available Frente al reciente debate entre los estudios culturales y el canonhumanista, este artículo intenta generar una crítica de los presupuestosde ambas corrientes, a fin de producir una alternativaque denominamos política, proponiendo el estudio de una determi

  8. Polímeros biodegradables. Importancia y potenciales aplicaciones

    OpenAIRE

    Labeaga Viteri, Aitziber

    2018-01-01

    Un polímero biodegradable es aquel que puede ser degradado completamente por el medio ambiente, reduciendo así el impacto ambiental que estos materiales producen. Por lo tanto, de acuerdo con esta definición, cuando un envase plástico biodegradable es

  9. Manuel Puig, la política, el umbral

    Directory of Open Access Journals (Sweden)

    Claudia Kozak

    2011-01-01

    Full Text Available El artículo lee en la literatura de Manuel Puig una concepción de lo político por fuera de los discursos políticos habituales. A partir de formas textuales que trabajan el "pliegue", "el entremedio" y el "umbral", particularmente en géneros íntimos y procedimientos vinculados a la espacialidad, lo político aparece como desestabilización de los discursos desde su interior, puesta en duda de las certezas, construcción de nuevas variedades de mundo que desde la ficción señalan hacia un pensamiento abierto a la transformación del mundo "tal cual es". El análisis focaliza en tres novelas escritas durante la década de 1970, que forman parte del "ciclo político" dentro de la narrativa de Puig, para buscar allí diversas formulaciones discursivas que construyen comunidad impolítica.

  10. La Defensa, Política de Estado

    Directory of Open Access Journals (Sweden)

    Muñoz-Alonso, Alejandro

    2008-12-01

    Full Text Available The areas of the State Policy are set, specially focussing on the Defense as it is closely related to concepts like National Interest and Anglo-Saxon bipartisan policy. Nevertheless, the political alternation will cause differences. It is also necessary to tell the difference between the State Policy and the Policy carried out by the State. That’s why the democratic Parliaments play a fundamental role in shaping the defence policy. Although the Parliament symbolizes the National Sovereignty there can be and there are actually differences with the Public Opinion. This sort of divorce is not really new as, in Spain, it became evident in a very intensive way on the occasion of decisions such as the Spanish entry into the NATO. A State Policy related to Defense, kept during a long time and resistant to political alternation would certainly be the best instrument to reach a culture of defense.Se establecen los ámbitos de las políticas de estado, con especial énfasis en la Defensa al estar esta vinculada al concepto de interés nacional, y al anglosajón bipartisan policy. No obstante, la alternancia política va a crear discrepancias. Conviene diferenciar la “Política de Estado” y la “Política del Estado”. Por ello, los Parlamentos democráticos juegan un papel fundamental en la conformación de la política de defensa. Pese a que el Parlamento representa a la soberanía nacional pueden producirse, y de hecho se producen, discrepancias con la opinión pública. Este divorcio no es nuevo y en España se ha manifestado de forma muy intensa con ocasión de tomas de decisión como la incorporación a la OTAN. Una política de Estado en defensa, mantenida en el tiempo y resistente a las alternancias políticas sería el instrumento más adecuado para lograr una cultura de defensa.

  11. Políticas públicas: bienestar, reconocimiento, simulacro

    Directory of Open Access Journals (Sweden)

    Rafael Bayce

    2008-01-01

    Full Text Available Las políticas públicas son hijas del crecimiento de los Estados posrrenacentistas y de las necesidades de planificación administrativa de sociedades de masas. Las políticas conservadoras afirman la subsidiariedad del Estado, se centran en la familia y en el temor a la democracia y a los sindicatos. Las liberales se anclan en la corrección de fallas del mercado y de contingencias biológicas. Las socialdemócratas, más ambiciosas, aspiran a una previsión de todas las contingencias y desigualdades ilegítimas, desde un Estado orientador del mercado y no subsidiario. Los Estados de Bienestar surgen del intento de superar recesiones, desempleo y malestar social desde la inversión, hasta deficitaria, de Estados que esperan luego recuperar su inversión. Las nociones de soberanía y de derechos humanos dificultan ese retorno y nutren un crecimiento progresivo de los imaginarios de consumo que erosionan un sistema inicialmente exitoso, desde que no son más inversiones e intervenciones de emergencia sino parte del cálculo de bienestares colectivos e individuales. Son víctimas de su éxito. Pese a que los neoliberales subrayan las insuficiencias teóricas y los fallos históricos de las políticas públicas clásicas, llegados al poder todos las aplican porque la cultura política los supone y enfrentarla sería electoralmente suicida. Hasta los marxistas lo hacen. Sin embargo, la sociedad de consumo y la cultura posmoderna van creando un progresivo hiato entre la moderna oferta tecnoburocrática iluminista de satisfactores, y la más reciente demanda, socialmente mucho más exigente y variada. Deberían disfrutar, por ende, de utilidad marginal político-electoral decreciente. Pero en la medida en que son apreciadas, no por su sustancia material, sino por el ‘reconocimiento’ simbólico que implican, y porque las poblaciones-objetivo han internalizado como legítimas las ofertas iluministas, paterno-maternales, las políticas públicas todav

  12. Políticas Públicas e Estado: o Plano Real

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    Marcus Ianoni

    2009-01-01

    Full Text Available O artigo aborda o papel do Plano Real na reconstrução do Estado brasileiro. A tese principal é que havia então uma crise sociopolítica do Estado (crise de hegemonia do pacto de dominação e não apenas uma crise de governabilidade, segundo avaliava o pensamento predominante na literatura da ciência política brasileira à  época. O sucesso do Plano Real explica-se por ele ter sido o carro-chefe de um programa de mudança que foi conduzido num processo de repactuação sociopolítica liberal do poder de Estado. O envolvimento da esfera políticoinstitucional nesse processo de mudança logrou a superação da crise de governabilidade existente até 1993. No período histórico aberto pelo Plano Real, até o principal partido de esquerda, o PT, foi induzido a aderir, ao seu modo, desde a campanha eleitoral de 2002, a uma política macroeconômica liberal, embora o governo de coalizão de Lula esteja executando também políticas contra-hegemônicas. A análise identifica a origem e os determinantes da crise e algumas conjunturas de seu processo, com ênfase no governo Itamar Franco. O argumento mostra a importância da liderança política de Fernando Henrique Cardoso no processo do Plano Real, mas não adere a uma explicação voluntarista ou indeterminista, pois insere as ações dos sujeitos nos constrangimentos estruturais.

  13. Spectrophotometric and pH-Metric Studies of Ce(III, Dy(III, Gd(III,Yb(III and Pr(III Metal Complexes with Rifampicin

    Directory of Open Access Journals (Sweden)

    A. N. Sonar

    2011-01-01

    Full Text Available The metal-ligand and proton-ligand stability constant of Ce(III, Dy(III, Gd(III,Yb(III and Pr(III metals with substituted heterocyclic drug (Rifampicin were determined at various ionic strength by pH metric titration. NaClO4 was used to maintain ionic strength of solution. The results obtained were extrapolated to the zero ionic strength using an equation with one individual parameter. The thermodynamic stability constant of the complexes were also calculated. The formation of complexes has been studied by Job’s method. The results obtained were of stability constants by pH metric method is confirmed by Job’s method.

  14. A reestruturação político-administrativa do Império Romano na Época de Diocleciano e da Tetrarquia (284-305

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    Diogo Pereira Silva

    2017-10-01

    Full Text Available Neste artigo, temos por objetivo analisar os fundamentos da reestruturação político-administrativa do Império Romano durante o governo de Diocleciano, considerando as pré-condições do século III, e as características que conformaram o poder imperial romano durante a época de Diocleciano e da Tetrarquia (284-305.

  15. Entre la política exterior y la política interna. De la Proclama de la Neutralidad al Plan de Paz (1983-1989

    Directory of Open Access Journals (Sweden)

    Carlos Humberto Cascante Segura

    2012-02-01

    Full Text Available Desde el concepto de uso de la memoria oficial, este artículo analiza los objetivos políticos internos de la política exterior costarricense entre 1983 y 1989. Con tal fin, el texto pretende establecer los objetivos internos que los gobiernos del periodo bajo estudio pretendieron conseguir a partir de su política exterior, así como los instrumentos que emplearon con tales fines. Se concluye que la política exterior del periodo no puede verse únicamente desde el plano internacional, sino que tuvo importantes repercusiones dentro del ámbito nacional.

  16. Fronteras morales y políticas sexuales: apuntes sobre 'la política LGBT' y el deseo del Estado

    OpenAIRE

    Hernández, Franklin Gil

    2013-01-01

    A partir de un seguimiento de políticas (gubernamentales, de los movimientos sociales y de la vida cotidiana) en la ciudad de Bogotá (Colombia), relacionadas con la ampliación de ciudadanías sexuales, este artículo trata sobre los territorios morales que dichas políticas crean, y sobre los cuerpos que desea el Estado o que reclaman ser deseados por él. Particularmente se analizan la 'política LGBT' y la 'política gay' en un contexto local y su paradójica contribución a la normalización de la ...

  17. Historia del pensamiento político moderno (00 Guía docente)

    OpenAIRE

    Sanz Díaz, Benito

    2010-01-01

    Historia del Pensamiento Político Moderno. HPPM La asignatura de Historia del Pensamiento Político se imparte en a la Licenciatura de Ciencias Políticas y de la Administración, Derecho y Sociologia y en grado. Historia del Pensamiento Político Moderno tiene como objetivo ofrecer una visión de aspectos centrales del pensamiento político moderno, del siglo XVI al XX . Los textos de los autores escogidos constituyen el punto de apoyo fundamental en el desarrollo del programa, por lo q...

  18. O trabalho familiar extrativista sob a influência de políticas públicas

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    Dalva Maria da Mota

    2014-01-01

    Full Text Available O artigo analisa a relação entre a organização do trabalho familiar no extrativismo e a participação em programas de políticas públicas no estado de Sergipe. Com abordagem predominantemente qualitativa, a pesquisa foi realizada com mulheres autodesignadas catadoras de mangaba e marisqueiras, reconhecidas como pertinentes ao segmento dos denominados povos e comunidades tradicionais e afiliadas ao Programa Bolsa Família (PBF, ao Seguro Desemprego do Pescador Artesanal (SDPA e ao Programa de Aquisição de Alimentos (PAA. A metodologia constou de observações e entrevistas com diferentes atores envolvidos na atividade extrativista e nos programas de políticas públicas. As principais conclusões mostram que os programas de políticas públicas influenciam: i na reorganização do cotidiano do trabalho no extrativismo, principalmente no tocante à diminuição do envolvimento de crianças e jovens na atividade e quanto à intensidade das jornadas; ii no reforço aos papéis tradicionais de homens e mulheres, no caso do PBF, e na diluição de fronteiras entre esses mesmos papéis no PAA; iii na diminuição do volume de trabalho no caso do SDPA e no aumento no PAA; e iv nos diferentes sentidos que são atribuídos ao trabalho.

  19. Graphics Gems III IBM version

    CERN Document Server

    Kirk, David

    1994-01-01

    This sequel to Graphics Gems (Academic Press, 1990), and Graphics Gems II (Academic Press, 1991) is a practical collection of computer graphics programming tools and techniques. Graphics Gems III contains a larger percentage of gems related to modeling and rendering, particularly lighting and shading. This new edition also covers image processing, numerical and programming techniques, modeling and transformations, 2D and 3D geometry and algorithms,ray tracing and radiosity, rendering, and more clever new tools and tricks for graphics programming. Volume III also includes a

  20. La política y lo político : Populismo y agonismo como formas de la política

    OpenAIRE

    Vázquez, Mariano Darío

    2013-01-01

    Este ensayo aborda la dimensión conflictiva como base del orden social y rechaza las posiciones liberales, las alternativas postpolíticas y los esencialismos de clase. En este sentido, recupera al antagonismo en la base de la articulación política como condición inerradicable para pensar la institución de la sociedad y asume que la constitución de un orden social precario, contingente y momentáneo evidencia una sutura ante la imposibilidad de un cierre definitivo. Este imposible manifiesta el...

  1. A modified hybrid Van der Pol-Duffing-Rayleigh oscillator for modelling the lateral walking force on a rigid floor

    Science.gov (United States)

    Kumar, Prakash; Kumar, Anil; Erlicher, Silvano

    2017-11-01

    The paper proposes a single degree of freedom oscillator in order to accurately represent the lateral force acting on a rigid floor due to human walking. As a pedestrian produces itself the energy required to maintain its motion, it can be modelled as a self-sustained oscillator that is able to produce: (i) self-sustained motion; (ii) a lateral periodic force signal; and (iii) a stable limit cycle. The proposed oscillator is a modification of hybrid Van der Pol-Duffing-Rayleigh oscillator, by introducing an additional nonlinear hardening term. Stability analysis of the proposed oscillator has been performed by using the energy balance method and the Lindstedt-Poincare perturbation technique. Model parameters were identified from the experimental force signals of ten pedestrians using the least squares identification technique. The experimental and the model generated lateral forces show a good agreement.

  2. Timely management of developing class III malocclusion

    OpenAIRE

    M R Yelampalli; M R Rachala

    2012-01-01

    Timing of orthodontic treatment, especially for children with developing class III malocclusions, has always been somewhat controversial, and definitive treatment tends to be delayed for severe class III cases. Developing class III patients with moderate to severe anterior crossbite and deep bite may need early intervention in some selected cases. Class III malocclusion may develop in children as a result of an inherent growth abnormality, i.e. true class III malocclusion, or as a result of p...

  3. Genome-wide dynamics of Pol II elongation and its interplay with promoter proximal pausing, chromatin, and exons

    NARCIS (Netherlands)

    Jonkers, Iris; Kwak, Hojoong; Lis, John T

    2014-01-01

    Production of mRNA depends critically on the rate of RNA polymerase II (Pol II) elongation. To dissect Pol II dynamics in mouse ES cells, we inhibited Pol II transcription at either initiation or promoter-proximal pause escape with Triptolide or Flavopiridol, and tracked Pol II kinetically using

  4. Encuestas políticas: Paradojas y aproximaciones.

    Directory of Open Access Journals (Sweden)

    Emili Utreras

    2008-09-01

    Full Text Available Las encuestas no son una bola de cristal para hacer predicciones del futuro, son un instrumento para conocer la realidad y poder actuar a futuro. En política se las usa para las campañas. Últimamente en el Ecuador la encuesta se ha convertido en una herramienta para la investigación de la opinión pública, ha sido utilizada en las campañas electorales para tener información sobre las opiniones y percepciones de los ciudadanos sobre la vida cotidiana o la coyuntura política. Las encuestas solo recaban información de la población para conocer sus percepciones y opiniones.

  5. Ecologia política: Guerreiro Ramos e Fritjof Capra

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    Boeira Sérgio Luís

    2002-01-01

    Full Text Available Este ensaio tem por objetivo contribuir com a articulação de um campo de pesquisa trans-disciplinar, a ecologia política, por meio da síntese comparativa de duas obras: A Nova Ciência das Organizações, de Alberto Guerreiro Ramos (1981, e O Ponto de Mutação, de Fritjof Capra (1982. A hipótese central deste trabalho é que os autores, apesar de suas formações acadêmicas muito diferentes, chegaram a resultados muito semelhantes nestas obras, a partir de um mesmo paradigma emergente. Dado o contexto ainda difuso do pensamento ambientalista, estes livros podem ser considerados clássicos da ecologia política.

  6. El pensamiento político de Macanaz

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    Rosa María Alabrús Iglésies

    2005-01-01

    Full Text Available Este artículo analiza el pensamiento político de Macanaz a partir de un texto autobiográfico que se custodia en la Biblioteca Nacional de Madrid. Tres aspectos quedan reflejados: la actitud contra la Corona de Aragón durante la Guerra de Sucesión y sobre los decretos de Nueva Planta; la visión sobre la política europea de Felipe V; y el regalismo, con el consiguiente enfrentamiento con la Santa Sede y la Inquisición.This article examines Macanaz’s political thought from an autobiographical writing located in the National Library of Madrid. Three aspects are considered: the attitude against the Crown of Aragon during the War of Succession and about the New Plant decrees; the vision on the European policy of Philip V of Spain; and the regalism, with the consequent confrontation with the Holy See and the Inquisition.

  7. Hopf Bifurcation of Compound Stochastic van der Pol System

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    Shaojuan Ma

    2016-01-01

    Full Text Available Hopf bifurcation analysis for compound stochastic van der Pol system with a bound random parameter and Gaussian white noise is investigated in this paper. By the Karhunen-Loeve (K-L expansion and the orthogonal polynomial approximation, the equivalent deterministic van der Pol system can be deduced. Based on the bifurcation theory of nonlinear deterministic system, the critical value of bifurcation parameter is obtained and the influence of random strength δ and noise intensity σ on stochastic Hopf bifurcation in compound stochastic system is discussed. At last we found that increased δ can relocate the critical value of bifurcation parameter forward while increased σ makes it backward and the influence of δ is more sensitive than σ. The results are verified by numerical simulations.

  8. Políticas de seguridad informática

    Directory of Open Access Journals (Sweden)

    Ciro Antonio Dussan Clavijo

    2006-01-01

    Full Text Available La globalización de la economía ha exigido que las empresas implementen plataformas tecnológicas que soporten la nueva forma de hacer negocios. El uso de Internet para este fin, conlleva a que se desarrollen proyectos de seguridad informática que garanticen la integridad, disponibilidad y accesibilidad de la información. La creación de políticas de seguridad es una labor fundamental que involucra las personas, los procesos y los recursos de la compañía. Este articulo presenta los puntos clave a tener en cuenta para diseñar una política de seguridad basándose en la norma ISO 17799.

  9. Uma alternativa para a política nutricional brasileira?

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    Sonia Azevedo Bittencourt

    Full Text Available O artigo focaliza a proposta de alimentação alternativa enquanto tema da política pública. Para isso, são assinaladas questões importantes e controvertidas quanto à eficácia e segurança da multimistura. Analisa também seis estudos epidemiológicos enfocando aspectos metodológicos relevantes à avaliação da confiabilidade dos resultados encontrados. Conclui-se que as muitas ambigüidades, lacunas e contradições do conhecimento não sustentam a incorporação da intervenção proposta no nível de política alimentar e nutricional brasileira.

  10. Uma alternativa para a política nutricional brasileira?

    Directory of Open Access Journals (Sweden)

    Bittencourt Sonia Azevedo

    1998-01-01

    Full Text Available O artigo focaliza a proposta de alimentação alternativa enquanto tema da política pública. Para isso, são assinaladas questões importantes e controvertidas quanto à eficácia e segurança da multimistura. Analisa também seis estudos epidemiológicos enfocando aspectos metodológicos relevantes à avaliação da confiabilidade dos resultados encontrados. Conclui-se que as muitas ambigüidades, lacunas e contradições do conhecimento não sustentam a incorporação da intervenção proposta no nível de política alimentar e nutricional brasileira.

  11. Organometallic neptunium(III) complexes.

    Science.gov (United States)

    Dutkiewicz, Michał S; Farnaby, Joy H; Apostolidis, Christos; Colineau, Eric; Walter, Olaf; Magnani, Nicola; Gardiner, Michael G; Love, Jason B; Kaltsoyannis, Nikolas; Caciuffo, Roberto; Arnold, Polly L

    2016-08-01

    Studies of transuranic organometallic complexes provide a particularly valuable insight into covalent contributions to the metal-ligand bonding, in which the subtle differences between the transuranium actinide ions and their lighter lanthanide counterparts are of fundamental importance for the effective remediation of nuclear waste. Unlike the organometallic chemistry of uranium, which has focused strongly on U(III) and has seen some spectacular advances, that of the transuranics is significantly technically more challenging and has remained dormant. In the case of neptunium, it is limited mainly to Np(IV). Here we report the synthesis of three new Np(III) organometallic compounds and the characterization of their molecular and electronic structures. These studies suggest that Np(III) complexes could act as single-molecule magnets, and that the lower oxidation state of Np(II) is chemically accessible. In comparison with lanthanide analogues, significant d- and f-electron contributions to key Np(III) orbitals are observed, which shows that fundamental neptunium organometallic chemistry can provide new insights into the behaviour of f-elements.

  12. Governamentalidade e a genealogia da política

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    Colin Gordon

    2013-12-01

    Full Text Available O artigo oferece uma série de reflexões a respeito de uma fase dos trabalhos de Michel Foucault e de alguns de seus colaboradores apresentada no volume The Foucault effect: studies in governmentality (1991, coeditado pelo autor. Tais reflexões se organizam em três partes. Primeiro, há uma revisão de alguns aspectos das aulas de Foucault sobre governamentalidade que, por diferentes razões, foram deixados de lado quando o livro foi publicado. Em seguida, faz-se um balanço de temas importantes que, embora presentes no livro, não receberam suficiente atenção dos leitores. Finalmente, no eixo que ocupa a maior parte do artigo, examinam-se as últimas discussões de Foucault a respeito do que o autor denomina múltiplos nascimentos da política, a fim de demonstrar a continuidade da pertinência do empreendimento foucaultiano nos anos 1970, tornado possível devido à noção de governamentalidade, ao mesmo tempo tão estranha e operacional. Tal atualidade é indicada não somente pelo incremento dos estudos sobre governamentalidade após o aparecimento dos cursos que Foucault deu no Collège de France, mas principalmente pelos dilemas e aporias que a cultura política em que estamos mergulhados nos trouxe. Nesse sentido, o artigo se encerra com uma espécie de agenda de pesquisa para dar continuidade ao trabalho inacabado de Foucault, uma agenda que nos convida a aprofundar nossa compreensão das relações entre a filosofia crítica, a racionalidade política e a cultura política, compreendidas como um conjunto de formas de conduta e de sociabilidade, modos de vida e estilos de subjetivação e dizer verdadeiro.

  13. Política oriental de India: Mitos y realidades

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    Vaidyanathan Shivkumar

    2015-07-01

    Full Text Available La política exterior de la India desde su independencia el 15 agosto de 1947, ha sido de cooperación y conciliación, y no de confrontación. Ésta podría haber sido ampliada cuando los infiltrados pakistaníes entraron en el territorio de la India en 1948, ya que el entonces Primer Ministro instó a que este asunto se remitiera al recién formado Consejo Mundial de Naciones Unidas. Si se recorre la historia, encontraríamos que las tres guerras entre India y Pakistán fueron iniciadas por Pakistán ante lo cual la India tuvo que defender su territorio. Similar situación surgió cuando China rompió unilateralmente el acuerdo de Pancha Sheel, invadiendo el territorio de la India. Este artículo hace un modesto intento de trazar la política de la India hacia el cercano oriente o hacia las naciones del sureste. Describe los vínculos históricos y culturales entre la India y las naciones del sur de Asia oriental y la consolidación definitiva de la “política hacia el oriente de la India”. En este artículo se toman en consideración los intereses económicos y estratégicos de la región y se espera que pudiera permitir a los lectores entender la política de la India hacia las naciones del sudeste de Asia.

  14. Religião, cultura e política

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    Maria das Dores Campos Machado

    2012-01-01

    Full Text Available Este artigo analisa os embates em curso na esfera pública brasileira envolvendo atores políticos com programas culturais bem distintos: católicos, evangélicos e os movimentos feministas e LGBTT. Dividido em quatro seções, inicia com uma apresentação da linha interpretativa adotada e uma breve análise das relações entre Estado e Igreja no século XX. Na seção seguinte, procura-se mostrar como o avanço das políticas de direitos humanos em atendimento às demandas dos movimentos feministas e gays se dá concomitantemente ao crescimento dos evangélicos na política partidária e no poder legislativo e como essas tendências contraditórias tencionam a arena pública. Na terceira seção, examina-se mais detalhadamente a agenda política, a participação dos evangélicos fluminenses nos poderes executivo e legislativo na primeira década do século XXI e o ativismo religioso conservador nas eleições de 2010. Nas considerações finais, procura-se mostrar que, a despeito dos conflitos de interesse entre os atores católicos e evangélicos, parcerias vêm sendo desenvolvidas entre coletivos religiosos de ambos os lados com o objetivo de impedir a criação de uma moralidade sexual de caráter laico.

  15. Hannah Arendt: política y singularidad

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    Julia Kristeva

    2000-01-01

    Full Text Available En el centro de la polémica a raíz de la publicación del libro de Alan Sokal sobre las imposturas intelectuales, sin eludir lo problemático del concepto de postmodernidad ni las discusiones acerca del uso de la metáfora y de las analogías en la construcci

  16. La política social del gobierno del cambio

    Directory of Open Access Journals (Sweden)

    Laura Mota Díaz

    2002-01-01

    Full Text Available El artículo se centra en la política social del actual sexenio foxista, la cual se ha definido como incluyente y equitativa dentro del marco de un gobierno autodenominado del cambio, no sólo por lo que se refiere a la alternancia política del poder, sino porque además pretende ser un gobierno con una visión más amplia del desarrollo; lo que se traduce en “nuevas” estrategias para alcanzar la democracia, la equidad, la justicia social y el bienestar general de la población. El objetivo es analizar las posibilidades y limitaciones de un verdadero cambio que contribuya a mejorar la calidad de vida de la población en su sentido más amplio, pues los retos son cada vez mayores dado el incremento en los niveles de pobreza, el creciente desempleo y la constante violación a los derechos humanos. Palabras clave: pobreza, política social, democracia, participación.

  17. Os controles políticos sobre a burocracia

    Directory of Open Access Journals (Sweden)

    Cecília Olivieri

    2011-10-01

    Full Text Available O artigo revisa a literatura sobre os temas da relação entre política e burocracia e dos controles democráticos sobre a burocracia analisando três conjuntos de obras: a produção weberiana sobre a relação entre governo e burocracia, a literatura norteamericana e a produção nacional. A obra weberiana nos permite estabelecer com precisão as características centrais da burocracia moderna, seu papel no governo democrático contemporâneo e a necessidade do controle dos políticos sobre a burocracia. O debate norte-americano, por sua vez, explicita a ausência, no Brasil, de discussão sobre a relação entre política e burocracia na perspectiva democrática. A despeito desta ausência, analisamos a literatura nacional contemporânea com o objetivo de traçar um panorama da situação dos controles sobre a burocracia no Brasil e compreender, ainda que de forma incipiente, como funcionam os mecanismos de controle, em especial a nomeação, o orçamento, a legislação e o monitoramento.

  18. O lugar da mulher é na política?

    Directory of Open Access Journals (Sweden)

    Nélida Reis Caseca Machado

    2015-06-01

    Full Text Available O nome atribuído a este artigo é provocativo e tem o intuito de apontar os caminhos trilhados nesta pesquisa. É que, mesmo diante de todo o avanço social, a mulher continua fazendo sua trajetória de vida indagando onde é o seu lugar, bem como é olhada pelos outros que também perguntam onde é o lugar dela. Este trabalho possui, então, o intuito de questionar e apontar os possíveis motivos pelos quais, no Brasil, as mulheres não participam ou participam pouco da política. Para tanto, faz uma abordagem em três eixos que nortearão todos os raciocínios: a mulher não participa porque não pode, porque não quer e, também, porque ninguém quer. Pretende chamar a atenção dos acadêmicos para a pouca participação da mulher na política e acerca da apatia geral e isso pode, de alguma forma, influenciar o cenário de participação feminina na seara política.

  19. Controlling optics contamination at the PolLux STXM

    Science.gov (United States)

    Watts, B.; Pilet, N.; Sarafimov, B.; Witte, K.; Raabe, J.

    2018-04-01

    Contamination of X-ray mirror surfaces by carbon is a common issue that can significantly degrade the optical performance of the instrument. The effects can be severe at photon energies near the carbon K-edge (ca. 300 eV), where the X-rays are strongly attenuated, but also significant at higher photon energies where the carbon coating affects the reflectivity and surface shape of the mirrors. [1] The Swiss Light Source has typically relied on in-situ plasma cleaning to control mirror contamination and the PolLux scanning transmission X-ray microscopy (STXM) beamline has also been employing further contamination reduction strategies in recent years. In particular, in 2014 we installed a 1×10‑8 mbar background pressure of O2 on the PolLux first mirror chamber. We present a history of efforts to control optical contamination at the PolLux beamline and report on the observed efficiencies of the different processes employed both for the in-vacuum optics and critical components of the frequently vented STXM experiment chamber.

  20. Políticas del posgrado en México

    Directory of Open Access Journals (Sweden)

    Víctor Martiniano Arredondo Galván

    2006-01-01

    Full Text Available El artículo define, documenta y analiza la evolución de las políticas públicas de la educación superior en México, específicamente del posgrado. Se subraya que el desarrollo del posgrado en el país ha estado supeditado al devenir de la educación superior y al de la ciencia y la tecnología. A su vez se hace hincapié en que las políticas públicas han sido promovidas e instrumentadas por una diversidad de organismos e instancias ubicadas en la administración pública. Un punto medular del trabajo está en las consideraciones en torno a las políticas públicas del posgrado actual; las cuales están supeditadas y gravitan sobre el instrumento que conjuntamente la SEP y el CONACYT han establecido en los últimos años: el Programa de Fortalecimiento del Posgrado Nacional, el cual instituye un nuevo Padrón Nacional de Posgrado que clasifica los programas como competentes a nivel internacional y como de alto nivel; así como su reconocimiento en cuanto a su complejidad y heterogeneidad.

  1. Arte fotográfico y política

    Directory of Open Access Journals (Sweden)

    François Soulages

    2014-12-01

    Full Text Available Es difícil pensar las relaciones entre arte fotográfico y política, ya que un malestar invade la fotografía a tal punto que las manipulaciones políticas recientes producen engaños y utilizan la fotografía para estos fines. Debemos redefinir y dialectizar los conceptos de estética y política. Y, para esto, debemos analizar la evolución, durante medio siglo, de las condiciones y las modalidades de producción de reportajes fotográficos, en particular de los reportajes de guerra, y estudiar las condiciones ideológicas de presentación, de exposición y de comunicación de la imágenes fotográficas producidas, y hacer esto en los museos, en la prensa y en el Internet. Los riesgos: la libertad de hacer, de ver, de pensar, de vivir...

  2. Reformas constitucionales y competencia política en Bolivia

    Directory of Open Access Journals (Sweden)

    Mario Torrico

    2017-03-01

    El presente artículo explica  las  causas  y  efectos del cambio institucional en contextos políticos en los que no hay garantía sobre el cumplimiento estricto de  las reglas.  Analizando  la  reforma  política  de  2005  que  posibilitó  (por primera vez  que   en   Bolivia   los   prefectos   o  gobernadores  puedan  ser elegidos por voto popular,  se  halla  evidencia  que  indica  que  cuando  hay crisis  de  legitimidad,  las  coaliciones  declinantes  impulsan  cambios inclu-yentes  que  reducen   sus   futuras   pérdidas  electorales  y  no  pueden  ser revertidos por las coaliciones ascendentes que llegan al poder. No obstante, éstas intentan limitar el grado de inclusión de las reglas a través de cambios normativos de menor nivel que disminuyen la competencia política.

  3. Política de antibióticos

    Directory of Open Access Journals (Sweden)

    Juan José Pisonero Socías

    Full Text Available La utilización inadecuada de los antimicrobianos ha traído como consecuencia un incremento de la resistencia de los microorganismos y un aumento en los costos hospitalarios. Esta situación provoca mala calidad en el servicio. Durante 2 años se aplicó una política racional inducida a reducir el uso, o poner en reposo, a los antimicrobianos poco efectivos o inefectivos, en todo el servicio médico del Hospital Clinicoquirúrgico Docente "Joaquín Albarrán", de Ciudad de La Habana, Cuba. Se aplicaron procederes y métodos creados por un equipo multidisciplinario. La forma de restricción del uso de antimicrobianos, a partir de un Grupo de Control, muestra alentadores resultados. En el trabajo se explican las funciones de este grupo. Se obtuvieron resultados concretos en la disminución de la resistencia microbiana frente a los antimicrobianos más utilizados. Son significativos los datos que muestran la reducción de costos y volúmenes de antibióticos usados en relación con el año de referencia, período en el que aún no se practicaba la política actual. La investigación demostró, que esta política es aplicable en cualquier hospital, a bajo costo y con resultados a corto plazo

  4. La política supranacional : un nuevo campo de conocimiento para abordar las políticas educativas en un mundo globalizado

    OpenAIRE

    Valle, Javier M.

    2012-01-01

    El presente artículo trata de explicar la aparición de la Política Educativa Supranacional como área del saber pedagógico, en íntima conexión con la Política Educativa, la Educación Comparada y la Educación Internacional, tratando de acotar s

  5. Historia, género y política. Movimientos de mujeres y participación política en Colombia, 1930-1991

    OpenAIRE

    Medófilo Medina

    1996-01-01

    Lola G. Luna; Norma Villarreal. Historia, género y política. Movimientos de mujeres y participación política en Colombia, 1930-1991. Barcelona, Seminario Interdisciplinar Mujeres y Sociedad. Universidad de Barcelona. CICYT. 1994, 205 páginas.

  6. Política nacional de assistência social: uma avaliação política

    OpenAIRE

    Araujo, Victor Martins Lopes de

    2013-01-01

    Este trabalho tem com objetivo principal realizar uma avaliação política da Política Nacional de Assistência Social através de uma leitura crítica de seus textos legais. Nesse sentido, realizou-se uma fundamentação teórica pautada na discussão das diferentes concepções de Estado encontradas na teoria social clássica bem como na teoria social crítica, sendo feito também uma discussão a respeito da administração como forma de dominação, nos apropriamos do debate acerca da burocracia presente em...

  7. Seminario Políticas Públicas y Gestión Estatal | Tema 2: Ciclo y agenda de las políticas públicas

    OpenAIRE

    Pagani, María Laura

    2017-01-01

    Presentación general del ciclo de política pública y las diferentes etapas. Sus limitaciones como recurso de análisis de las PP. Agenda Social y Agenda Política: los procesos de construcción de la Agenda política, diseño. Definición de política pública. Presentación general del ciclo de política pública y las diferentes etapas. Sus limitaciones como recurso de análisis de las PP. La formación de la agenda y la definición de problema público. Las diferentes agendas: la agenda ciudadana, públic...

  8. Política de descentralización: Administración gubernamental y políticas públicas

    OpenAIRE

    Rengifo Esquivel, Angela Cristina; Castro La Rosa, Juan Pablo

    2013-01-01

    La obra describe una definición acerca de la política de descentralización, aborda los antecedentes, dimensiones del proceso, marco institucional, desarrollo normativo y los actores que participan en la política de descentralización en el Perú. Además, explica detalles acerca de la política de descentralización según el Acuerdo Nacional, la política de descentralización según el plan bicentenario y los medios para la implementación de la política de descentralización. Finalmente desarrolla un...

  9. Hábitos comunicativos y política. Efectos en las actitudes políticas de la población mexicana

    OpenAIRE

    Aruguete, Natalia

    2012-01-01

    Mucho se ha analizado acerca de la relación entre medios y actitudes políticas, enel marco de la investigación en comunicación política. Los estudios se dividen entreaquellos que asumen que la cobertura mediática de la política declina el interésciudadano hacia ella y los que sostienen que los medios promueven un mayorcompromiso cívico y político. Asumiendo que la relación entre medios y opiniónpública no es unidimensional, y que no hay un único factor en la formación deactitudes hacia la pol...

  10. Sorption of trace amounts of gallium (III) on iron (III) oxide

    International Nuclear Information System (INIS)

    Music, S.; Gessner, M.; Wolf, R.H.H.

    1979-01-01

    The sorption of trace amounts of gallium(III) on iron(III) oxide has been studied as a function of pH. Optimum conditions have been found for the preconcentration of traces of gallium(III) by iron(III) oxide. The influence of surface active substances and of complexing agents on the sorption of trace amounts of gallium(III) on iron(III) oxide has been also studied. (orig.) [de

  11. Alcohol induces RNA polymerase III-dependent transcription through c-Jun by co-regulating TATA-binding protein (TBP) and Brf1 expression.

    Science.gov (United States)

    Zhong, Shuping; Machida, Keigo; Tsukamoto, Hide; Johnson, Deborah L

    2011-01-28

    Chronic alcohol consumption is associated with steatohepatitis and cirrhosis, enhancing the risk for hepatocellular carcinoma. RNA polymerase (pol) III transcribes a variety of small, untranslated RNAs, including tRNAs and 5S rRNAs, which determine the biosynthetic capacity of cells. Increased RNA pol III-dependent transcription, observed in transformed cells and human tumors, is required for oncogenic transformation. Given that alcohol consumption increases risk for liver cancer, we examined whether alcohol regulates this class of genes. Ethanol induces RNA pol III-dependent transcription in both HepG2 cells and primary mouse hepatocytes in a manner that requires ethanol metabolism and the activation of JNK1. This regulatory event is mediated, at least in part, through the ability of ethanol to induce expression of the TFIIIB components, Brf1, and the TATA-binding protein (TBP). Induction of TBP, Brf1, and RNA pol III-dependent gene expression is driven by enhanced c-Jun expression. Ethanol promotes a marked increase in the direct recruitment of c-Jun to TBP, Brf1, and tRNA gene promoters. Chronic alcohol administration in mice leads to enhanced expression of TBP, Brf1, tRNA, and 5S rRNA gene transcription in the liver. These alcohol-dependent increases are more pronounced in transgenic animals that express the HCV NS5A protein that display increased incidence of liver tumors. Together, these results identify a new class of genes that are regulated by alcohol through the co-regulation of TFIIIB components and define a central role for c-Jun in this process.

  12. Mechatronic systems and materials III

    CERN Document Server

    Gosiewski, Zdzislaw

    2009-01-01

    This very interesting volume is divided into 24 sections; each of which covers, in detail, one aspect of the subject-matter: I. Industrial robots; II. Microrobotics; III. Mobile robots; IV. Teleoperation, telerobotics, teleoperated semi-autonomous systems; V. Sensors and actuators in mechatronics; VI. Control of mechatronic systems; VII. Analysis of vibration and deformation; VIII. Optimization, optimal design; IX. Integrated diagnostics; X. Failure analysis; XI. Tribology in mechatronic systems; XII. Analysis of signals; XIII. Measurement techniques; XIV. Multifunctional and smart materials;

  13. Revised SNAP III Training Manual

    Energy Technology Data Exchange (ETDEWEB)

    Moss, Calvin Elroy [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Gonzales, Samuel M. [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Myers, William L. [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Nelson, Mark Andrew [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Rothrock, Richard Brian [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Salazar, Samuel A. [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Sorensen, Eric Byron [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Sundby, Gary M. [Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

    2017-11-21

    The Shielded Neutron Assay Probe (SNAP) technique was developed to determine the leakage neutron source strength of a radioactive object. The original system consisted of an EberlineTM Mini-scaler and discrete neutron detector. The system was operated by obtaining the count rate with the EberlineTM instrument, determining the absolute efficiency from a graph, and calculating the neutron source strength by hand. In 2003 the SNAP III, shown in Figure 1, was designed and built. It required the operator to position the SNAP, and then measure the source-to-detector and detectorto- reflector distances. Next the operator entered the distance measurements and started the data acquisition. The SNAP acquired the required count rate and then calculated and displayed the leakage neutron source strength (NSS). The original design of the SNAP III is described in SNAP III Training Manual (ER-TRN-PLN-0258, Rev. 0, January 2004, prepared by William Baird) This report describes some changes that have been made to the SNAP III. One important change is the addition of a LEMO connector to provide neutron detection output pulses for input to the MC-15. This feature is useful in active interrogation with a neutron generator because the MC-15 has the capability to only record data when it is not gated off by a pulse from the neutron generator. This avoids recording of a lot of data during the generator pulses that are not useful. Another change was the replacement of the infrared RS-232 serial communication output by a similar output via a 4-pin LEMO connector. The current document includes a more complete explanation of how to estimate the amount of moderation around a neutron-emitting source.

  14. The Negotiation of Basel III

    DEFF Research Database (Denmark)

    Just, Sine Nørholm

    2015-01-01

    While the Basel Accords of 1988 and 2004 (Basel I and Basel II) ostensibly set out to regulate bank risk at the international level, they were effectively in the grip of neoliberal beliefs in the self-regulating potential of free markets. In 2009–2011, the Basel Accords were revised once more wit...... agency, the empirical argument is substantiated through textual–intertextual analysis of the rhetorical circulation of affective signs in the Basel III negotiations....

  15. Organometallic neptunium(III) complexes

    Science.gov (United States)

    Dutkiewicz, Michał S.; Farnaby, Joy H.; Apostolidis, Christos; Colineau, Eric; Walter, Olaf; Magnani, Nicola; Gardiner, Michael G.; Love, Jason B.; Kaltsoyannis, Nikolas; Caciuffo, Roberto; Arnold, Polly L.

    2016-08-01

    Studies of transuranic organometallic complexes provide a particularly valuable insight into covalent contributions to the metal-ligand bonding, in which the subtle differences between the transuranium actinide ions and their lighter lanthanide counterparts are of fundamental importance for the effective remediation of nuclear waste. Unlike the organometallic chemistry of uranium, which has focused strongly on UIII and has seen some spectacular advances, that of the transuranics is significantly technically more challenging and has remained dormant. In the case of neptunium, it is limited mainly to NpIV. Here we report the synthesis of three new NpIII organometallic compounds and the characterization of their molecular and electronic structures. These studies suggest that NpIII complexes could act as single-molecule magnets, and that the lower oxidation state of NpII is chemically accessible. In comparison with lanthanide analogues, significant d- and f-electron contributions to key NpIII orbitals are observed, which shows that fundamental neptunium organometallic chemistry can provide new insights into the behaviour of f-elements.

  16. Participación política y pertenencia a grupos políticos: Los límites de las explicaciones individuales y la necesidad de considerar el contexto político

    OpenAIRE

    LAURA MORALES DÍEZ DE ULZURRUN

    2001-01-01

    El estudio de los factores que influyen en la participación política de los ciudadanos se ha limitado tradicionalmente al análisis de las características sociopolíticas del individuo. Esto corrobora la necesidad de introducir elementos políticos contextuales en los cuales los ciudadanos se mueven cuando intentan explicar las razones de pertenencia a grupos u organizaciones de naturaleza política. Se ofrece una reflexión conceptual y metodólogica acerca del estudio de este tipo de participació...

  17. El desprestigio de la política: lo que no se discute

    Directory of Open Access Journals (Sweden)

    Beatriz Stolowicz

    2006-01-01

    Full Text Available Casi es un lugar común reconocer el desprestigio actual de la política, de los partidos y de los políticos. El fenómeno es común a toda América Latina, a pesar de las diferencias observables en las realidades políticas entre los países, Una primera manifestación de este desprestigio es el rechazo al elitismo político, que se expresa en afirmaciones como "todos los políticos son iguales", "se representan a si mismos", "no luchan por ideas, sino por prebendas", "se han alejado de la gente". En estas expresiones de rechazo existe un fuerte componente ético, que descalifica a los políticos de manera personal y, por extensión, a la politica en general.

  18. Al margen del poder y de la comunidad: la "cultura Política" del clientelismo

    Directory of Open Access Journals (Sweden)

    Lucía Mantilla

    2013-01-01

    Full Text Available Este trabajo busca destacar la diferencias entre los conceptos pol tico, pol tica y cultura pol tica, con el fin de arribar a la imposibilidad de situar el clientelismo en el lugar vac o, instituyente y discursivo donde se ubica lo pol tico; de este modo, tambi n resulta m s claro vislumbrar la distancia entre el clientelismo y las relaciones de poder. Si el clientelismo es una cultura pol tica, es necesario agregar que opera, a la inversa, inhibiendo y ahogando la pol tica. El clientelismo funciona a trav s del control de recursos y la distribuci n de privilegios entre los pr ximos; cuando se le ve como intercambio rec proco, te ido de valores morales como la lealtad y la solidaridad, se remite a la cl sica tipolog a hist rica que opone comunidad y sociedad moderna. Esta perspectiva resulta insostenible a la luz de la propuesta de Roberto Esposito.

  19. Los efectos de la comunicación política en el comportamiento electoral

    OpenAIRE

    Ismael Crespo Martínez*; Cristina Moreno Martínez

    2016-01-01

    La comunicación política es un aspecto fundamental de todos los procesos políticos contemporáneos. De hecho, el análisis político de la realidad, bien sea para realizar cálculos estratégicos, o bien para tratar de profundizar en la comprensión de las dinámicas socio-políticas, ya no puede obviar el papel central de la comunicación política en las sociedades. A partir de esta afirmación, los autores exponen a través de un recorrido histórico la influencia y efectos de la comunicación en la pol...

  20. Leer lo estético desde lo político

    OpenAIRE

    Verónica Peñafiel

    2013-01-01

    En el Ecuador, y específicamente en la vida política del país, el teatro ha jugado un papel más importante del que se le ha reconocido. Pensar lo estético relacionado con lo político, puede ser una interesante clave de lectura para el teatro quiteño y, me arriesgo a afirmar, para el teatro a secas. Este análisis no se lo hará desde el teatro político, se pretende, más bien, analizar la dimensión política del mismo y de la relación entre teatro y política. Dicha dimensión política ha tomado di...

  1. Los efectos de la comunicación política en el comportamiento electoral

    Directory of Open Access Journals (Sweden)

    Ismael Crespo Martínez

    2015-07-01

    Full Text Available La comunicación política es un aspecto fundamental de todos los procesos políticos contemporáneos. De hecho, el análisis político de la realidad, bien sea para realizar cálculos estratégicos, o bien para tratar de profundizar en la comprensión de las dinámicas socio-políticas, ya no puede obviar el papel central de la comunicación política en las sociedades. A partir de esta afirmación, los autores exponen a través de un recorrido histórico la influencia y efectos de la comunicación en la política, incluyendo las nuevas tendencias con los avances de las tecnologías de la comunicación

  2. La creación de partidos políticos en España

    Directory of Open Access Journals (Sweden)

    Juan Francisco Pérez Gálvez

    2011-12-01

    Full Text Available I. Introducción. II. Concepto y diferencia con figuras afines. 1. Concepto. 2. Diferencia con figuras afines. 2.1. Configuración jurídica de la asociación. 2.1.1. Concepto. 2.1.2. Naturaleza jurídica. 2.1.3. Clasificación. A. General. B. Asociaciones de interés general. 2.1.4. Elementos. A. Elementos materiales. B. Elementos formales. 2.1.5. Grupo normativo regulador. 2.1.6. Conclusión. 2.2. Diferencias respecto a la corporación. 2.2.1. Régimen general. 2.2.2. Conclusión. 2.3. Corporación/asociación adversus fundación. 2.3.1. Régimen general. 2.3.2. Conclusión. III. Naturaleza jurídica. IV. Caracteres. V. Grupo normativo regulador. VI. Creación de partidos políticos. 1. Libertad de creación y afiliación. 2. Capacidad para constituir partidos políticos. 3. Constitución y personalidad jurídica. 3.1. Constitución. 3.2. Adquisición de personalidad jurídica. 3.2.1. Aproximación al concepto de persona jurídica. 3.2.2. La tarea propia del jurista: averiguar qué ha de entenderse por persona jurídica cada vez que ese término se emplea en un precepto jurídico. 3.2.3. Régimen jurídico. 4. Inscripción en el registro. 4.1. Concepto y diferencia con figuras afines. 4.2. Naturaleza jurídica. 4.3. Clases. 4.4. Grupo normativo regulador. 4.4.1. Constitución Española. 4.4.2. Ley Orgánica 6/2002, de 27 de junio. 4.4.3. Los registros en la Ley de Régimen Jurídico de las Administraciones Públicas y del Procedimiento Administrativo Común: derecho de acceso.

  3. Control of gag-pol gene expression in the Candida albicans retrotransposon Tca2

    Directory of Open Access Journals (Sweden)

    Gibson Joanne

    2007-10-01

    Full Text Available Abstract Background In the C. albicans retrotransposon Tca2, the gag and pol ORFs are separated by a UGA stop codon, 3' of which is a potential RNA pseudoknot. It is unclear how the Tca2 gag UGA codon is bypassed to allow pol expression. However, in other retroelements, translational readthrough of the gag stop codon can be directed by its flanking sequence, including a 3' pseudoknot. Results The hypothesis was tested that in Tca2, gag stop codon flanking sequences direct translational readthrough and synthesis of a gag-pol fusion protein. Sequence from the Tca2 gag-UGA-pol junction (300 nt was inserted between fused lacZ and luciferase (luc genes in a Saccharomyces cerevisiae dual reporter construct. Although downstream of UGA, luc was expressed, but its expression was unaffected by inserting additional stop codons at the 3' end of lacZ. Luc expression was instead being driven by a previously unknown minor promoter activity within the gag-pol junction region. Evidence together indicated that junction sequence alone cannot direct UGA readthrough. Using reporter genes in C. albicans, the activities of this gag-pol junction promoter and the Tca2 long terminal repeat (LTR promoter were compared. Of the two promoters, only the LTR promoter was induced by heat-shock, which also triggers retrotransposition. Tca2 pol protein, epitope-tagged in C. albicans to allow detection, was also heat-shock induced, indicating that pol proteins were expressed from a gag-UGA-pol RNA. Conclusion This is the first demonstration that the LTR promoter directs Tca2 pol protein expression, and that pol proteins are translated from a gag-pol RNA, which thus requires a mechanism for stop codon bypass. However, in contrast to most other retroelement and viral readthrough signals, immediate gag UGA-flanking sequences were insufficient to direct stop readthrough in S. cerevisiae, indicating non-canonical mechanisms direct gag UGA bypass in Tca2.

  4. Multi-Pixel Simultaneous Classification of PolSAR Image Using Convolutional Neural Networks

    OpenAIRE

    Lei Wang; Xin Xu; Hao Dong; Rong Gui; Fangling Pu

    2018-01-01

    Convolutional neural networks (CNN) have achieved great success in the optical image processing field. Because of the excellent performance of CNN, more and more methods based on CNN are applied to polarimetric synthetic aperture radar (PolSAR) image classification. Most CNN-based PolSAR image classification methods can only classify one pixel each time. Because all the pixels of a PolSAR image are classified independently, the inherent interrelation of different land covers is ignored. We us...

  5. La pobreza como política pública: una reflexión desde la ciencia política

    Directory of Open Access Journals (Sweden)

    Evelyn Hernández Ortiz

    2008-01-01

    Full Text Available Este artículo reflexiona sobre la forma en que las Administraciones Pacheco de la Espriella y Arias Sánchez han abordado el tema de la pobreza, como una política pública de la agenda política nacional, retomando algunos aportes conceptuales desde la ciencia política. El artículo comprende tres secciones. La primera conceptualiza la política económica como una política pública que busca el bienestar económico general y que, como tal, permite que las autoridades gubernamentales tomen decisiones en el tema pobreza. La segunda sección aborda el papel de los Consejos Económicos y Sociales, su articulación en la elaboración de la política económica, así como las acciones que se han realizado en los últimos años en Costa Rica. Finalmente, se desarrollan algunas ideas sobre el tratamiento de la pobreza como política pública, tomando como referencia algunas acciones ejecutadas durante el período 2002-2006 y 2006 a la fecha.

  6. De la historia conceptual de lo político a la historia de los discursos políticos. Una aproximación

    Directory of Open Access Journals (Sweden)

    Edwin Cruz Rodríguez

    2011-05-01

    Full Text Available Este trabajo es una aproximación a la historia política conceptual. El planteamiento central es que el estudio de lo político desde esta perspectiva exige transitar desde la historia de los conceptos políticos a la historia de los discursos políticos. Ello permite, por una parte, estudiar no sólo la realidad lingüística o discursiva sino también la no discursiva, no sólo el lenguaje sino también las prácticas con significado y las redes conceptuales o discursos más amplios en los que estos se inscriben. Por otra parte, también permite dar prelación a la lucha política como variable explicativa del cambio en los significados de los conceptos a través del tiempo. Para desarrollarlo se realiza un diálogo entre distintas orientaciones: la historia conceptual de lo político de Rosanvallon, la historia conceptual de Koselleck, la arqueología y genealogía foucaultianas y el análisis político del discurso de Laclau y Mouffe.

  7. Nuevas políticas sociales y Estado social relacional.

    Directory of Open Access Journals (Sweden)

    PIERPAOLO DONATI

    2004-01-01

    Full Text Available Según el autor, las sociedades europeas siguen inspirando las políticas sociales en un código (estatal de inclusión ?al que aquí se denomina lib/lab (mezcla de liberalismo y laborismo? que en el pasado ha constituido un factor de progreso, pero que actualmente resulta cada vez más débil y obsoleto. Las políticas sociales encuentran límites estructurales en sus posibilidades de innovación porque están formuladas como compromisos entre Estado y mercado, utilizando al sector terciario para remediar los fracasos de los otros dos sectores. De hecho, los sistemas sociales gobernados por lógicas lib/lab se encaminan a una crisis irreversible. El documento ilustra las nuevas tendencias de configuración de las políticas sociales, que aquí se denominan "societarias ". Se caracterizan por dos novedades principales: primero, por el hecho de que confían la inclusión social a una ciudadanía compleja (concebida como entrelazamiento de ciudadanía estatal y ciudadanía societaria, en la cual poseen un papel primordial los sujetos colectivos de la sociedad civil; segundo, porque definen el Bienestar, los servicios y los derechos sociales mediante un código simbólico de tipo relacional. En términos de orden institucional, se trata de pasar a un "cuarto modelo de Estado del Bienestar", es decir, a un Estado social de cuarta generación, después de haber dejado atrás el paternalista, el asistencial y el intervencionista. El autor lo denomina Estado social relacional.

  8. Política y tiempo: pensar la conmemoración

    OpenAIRE

    Rabotnikof, Nora

    2009-01-01

    Las conmemoraciones parecen movilizar nuevas posibilidades para pensar la relación entre política y tiempo o, más acotadamente, entre política y pasado. ¿Qué significa conmemorar un pasado político, aparentemente sancionado por el tiempo (como es el caso de la Independencia y de la Revolución Mexicana), desde un presente políticamente controvertido? ¿Cómo se recupera, se recuerda, se construye o se inventa (y la elección del verbo no es banal) el pasado para celebrar o denostar el presente? ¿...

  9. Políticas culturales: derroteros y perspectivas contemporáneas

    OpenAIRE

    Bayardo García, Rubens

    2008-01-01

    Las políticas culturales son un campo de problemas construido internacionalmente en la segunda mitad del siglo veinte, con el fin de las guerras mundiales y la conformación del Sistema de las Naciones Unidas, en el marco de la afirmación de los derechos humanos. Las políticas culturales han nacido como políticas de los Estados nacionales, orientadas a su consolidación y legitimación dentro del espacio de su territorio y de las relaciones internacionales. Estas políticas han par...

  10. As políticas activas e passivas do mercado de trabalho

    OpenAIRE

    Novo, Álvaro; Centeno, Mário

    2008-01-01

    A generalidade dos países utiliza políticas destinadas a minorar os custos sociais e individuais do desemprego. Os economistas classificam estas políticas do mercado de trabalho em dois grupos: (i) políticas activas e (ii) políticas passivas. As primeiras têm como objectivo dotar os desempregados com as qualificações necessárias para minimizar a duração do desemprego, enquanto as segundas visam garantir uma fonte de rendimento durante o período de desemprego, sendo particularmente úteis para ...

  11. Política y Posibilidad en el Maquiavelo de Althusser

    Directory of Open Access Journals (Sweden)

    Sergio Parra Paine

    2017-05-01

    Full Text Available La lectura de El Príncipe de Maquiavelo por parte de Althusser, parece revelar en el seno de la tensión virtud-fortuna, una falta de consecuencias sistemáticas del despliegue teórico sobre lo político. Así, lo políticamente posible se redefine incesantemente, lo cual es diametralmente opuesto a una Posibilidad Política construida sobre la semántica de Mundos Posibles. En este contexto, el artículo se centrará en dicha contraposición para intentar dilucidar la propia Posibilidad Política

  12. Esquema de evaluación para instrumentos de política ambiental

    OpenAIRE

    Mariana Bobadilla; Martha Ileana Espejel Carbajal; Francisco Lara Valencia; Saul Álvarez Borrego; Sophie Ávila Foucat; José Luis Fermán Almada

    2013-01-01

    La evaluación de la política ambiental ha avanzado lentamente en México por varias razones que incluyen la novedad y rápida evolución de los instrumentos de política ambiental; la complejidad de los problemas ambientales y la inexistencia de modelos de evaluación estandarizados para los evaluadores de dicha política. Este artículo propone un esquema metodológico para la evaluación en tres etapas de los instrumentos de política ambiental. El método identifica la funcionalidad del instrumento d...

  13. Efficacy of the Novel Antibiotic POL7001 in Preclinical Models of Pseudomonas aeruginosa Pneumonia.

    Science.gov (United States)

    Cigana, Cristina; Bernardini, Francesca; Facchini, Marcella; Alcalá-Franco, Beatriz; Riva, Camilla; De Fino, Ida; Rossi, Alice; Ranucci, Serena; Misson, Pauline; Chevalier, Eric; Brodmann, Maj; Schmitt, Michel; Wach, Achim; Dale, Glenn E; Obrecht, Daniel; Bragonzi, Alessandra

    2016-08-01

    The clinical development of antibiotics with a new mode of action combined with efficient pulmonary drug delivery is a priority against untreatable Pseudomonas aeruginosa lung infections. POL7001 is a macrocycle antibiotic belonging to the novel class of protein epitope mimetic (PEM) molecules with selective and potent activity against P. aeruginosa We investigated ventilator-associated pneumonia (VAP) and cystic fibrosis (CF) as indications of the clinical potential of POL7001 to treat P. aeruginosa pulmonary infections. MICs of POL7001 and comparators were measured for reference and clinical P. aeruginosa strains. The therapeutic efficacy of POL7001 given by pulmonary administration was evaluated in murine models of P. aeruginosa acute and chronic pneumonia. POL7001 showed potent in vitro activity against a large panel of P. aeruginosa isolates from CF patients, including multidrug-resistant (MDR) isolates with adaptive phenotypes such as mucoid or hypermutable phenotypes. The efficacy of POL7001 was demonstrated in both wild-type and CF mice. In addition to a reduced bacterial burden in the lung, POL7001-treated mice showed progressive body weight recovery and reduced levels of inflammatory markers, indicating an improvement in general condition. Pharmacokinetic studies indicated that POL7001 reached significant concentrations in the lung after pulmonary administration, with low systemic exposure. These results support the further evaluation of POL7001 as a novel therapeutic agent for the treatment of P. aeruginosa pulmonary infections. Copyright © 2016, American Society for Microbiology. All Rights Reserved.

  14. El imperativo social y político

    Directory of Open Access Journals (Sweden)

    Jefferson Jaramillo

    2010-01-01

    Full Text Available El artículo propone tres interpretaciones, distintas y complementarias, sobre el concepto de memoria. La primera la presenta como un marco colectivo que permite la cohesión social. La segunda enfatiza su condición de dispositivo cultural para pensar el presente. La tercera la muestra en cuanto campo de disputa y resistencia política. La discusión se enmarca dentro de la tradición clásica y contemporánea de los estudios sociales e históricos sobre la memoria.

  15. Perú: marketing político y Vladivideos

    Directory of Open Access Journals (Sweden)

    Fernando Palomino V.

    2015-01-01

    Full Text Available En detalle señala las características de las elecciones 2001, convocadas por el Gobierno de transición, tras la caída del régimen de Fujimori. Esboza el perfil de los candidatos que se terciaron; comenta sobre los vladivideos; afirma que fueron los medios de comunicación los protagonistas de las elecciones, definieron la agenda política y fueron determinantes en los resultados finales. La cobertura diaria por televisión de los vladivideos convirtió el tema de la corrupción en show y espectáculo de masas.

  16. Constant envelope OFDM scheme for 6PolSK-QPSK

    Science.gov (United States)

    Li, Yupeng; Ding, Ding

    2018-03-01

    A constant envelope OFDM scheme with phase modulator (PM-CE-OFDM) for 6PolSK-QPSK modulation was demonstrated. Performance under large fiber launch power is measured to check its advantages in counteracting fiber nonlinear impairments. In our simulation, PM-CE-OFDM, RF-assisted constant envelope OFDM (RF-CE-OFDM) and conventional OFDM (Con-OFDM) are transmitted through 80 km standard single mode fiber (SSMF) single channel and WDM system. Simulation results confirm that PM-CE-OFDM has best performance in resisting fiber nonlinearity. In addition, benefiting from the simple system structure, the complexity and cost of PM-CE-OFDM system could be reduced effectively.

  17. El clientelismo político como intercambio

    OpenAIRE

    Corzo Fernández, Susana

    2006-01-01

    Desde que el clientelismo se constituyera en objeto de estudio para los antropólogos y más tarde para los científicos de la política, se han ido transformando las definiciones y las interpretaciones sobre este fenómeno de forma apreciable. El mismo concepto ha sido tan maleable y flexible que se ha utilizado para describir diferentes prácticas que no siempre han respondido a la esencia de la relación de clientela.

  18. Derechos Humanos y Políticas Públicas. Manual

    OpenAIRE

    Deluchey, Jean-François Y.; Alza Barco, Carlos; Urueña, René; Montoya Céspedes, Nicolás; Estupiñan Silva, Rosmerlin; Fernández Gómez, Itziar; Sánchez Mojica, Beatriz Eugenia; Gavazzo, Natalia; Aguiar de Luque, Luis; Alencar Mayer Feitosa, María Luiza; Bregaglio, Renata; Urueña, René; Sánchez, Beatriz Eugenia; Anzola, Sergio; Salmón, Elizabeth

    2014-01-01

    El presente manual, el tercero y último elaborado en el marco de la Red Derechos Humanos y Educación Superior, tiene por objetivo ilustrar las relaciones que se establecen entre los derechos humanos y las políticas públicas. Se trata de un vínculo bastante más complejo de lo que a primera vista podría parecer. En efecto, los primeros no sólo son objeto de las segundas, como estrategia para alcanzar su garantía. También se han convertido en elementos centrales en el diseño...

  19. Derechos humanos, política y fútbol

    OpenAIRE

    Franco, Marina

    2008-01-01

    La dictadura militar instaurada en 1976 intentó diversas operaciones ideológicas tendientes a la construcción de consenso. Si la más dramática de ellas fue la Guerra de Malvinas, la otra muy significativa -pero por su éxito- fue el Campeonato Mundial de Fútbol de 1978. La realización del evento y la denuncia de una supuesta "campaña antiargentina" desde el exterior fueron dos operaciones mediáticas de la Junta Militar destinadas a construir cierta legitimidad política en el momento mismo en q...

  20. La política entre rejas: el devotazo

    Directory of Open Access Journals (Sweden)

    2010-05-01

    Full Text Available En vísperas de la asunción de Héctor Cámpora a la presidencia de la Argentina el 25 de mayo de 1973, el penal de Villa Devoto fue tomado por los prisioneros. Las presiones nacionales e internacionales para la liberación de los detenidos por razones políticas, y el compromiso adoptado por el futuro presidente desde su campaña electoral, lo conducirían a firmar un decreto que sería posteriormente aprobado por el congreso. En ese marco, Alicia Sanguinetti, militante del ERP (Ejército Revoluciona...

  1. A nova face da política social mexicana

    OpenAIRE

    Laurell,Asa Cristina

    1994-01-01

    A política social mexicana recente já foi apontada por organismos multilaterias como o Banco Mundial como um programa bem sucedido de combate à pobreza. O artigo mostra que essa avaliação é inteiramente equivocada e mostra como e porque a pobreza aumentou substancialmente no país no período 1983-1994. Quanto aos recursos destinados ao programa de combate à pobreza extrema, o PRONASOL, se foram ínfimos em face das carências sociais, foram no entanto suficientes para fazer do programa um instru...

  2. Hacia una historia política de la escritura

    Directory of Open Access Journals (Sweden)

    Rafael Gómez Pardo

    2010-10-01

    Full Text Available En el artículo se presentan algunos de los temas más recurrentes que se pueden abordar en el proyecto de una historia política de la escritura, retomando los planteamientos de Roger Chartier y Michel Foucault. Se define de manera propedéutica el significado y el alcance de este proyecto, y su importancia para los estudios sobre los usos de la escritura en la historia occidental, teniendo en cuenta que en ésta se sedimentan y reproducen poderes, y en su ordenamiento social, emergen nuevos sujetos (el autor, por ejemplo.

  3. Serie Umbral Político - Num 2.

    OpenAIRE

    Equipo Programa de Estudios de Opinión

    2005-01-01

    Este segundo número de Umbral Político sigue la senda de esa pregunta, que planteamos en el primer número: "- ¿A dónde vas Costa Rica?" Pues con él lo que buscamos es establecer un diálogo que dilucide problemas, propicie refl exiones y genere propuestas, en ese proceso colectivo y nacional de construcción de país que se nos impone como imperativo cívico. En éste número: I. Democracia, incertidumbre y abstencionismo Democracia e incertidumbre Incertidumbre y abstencionismoII. Un esfuerz...

  4. Inestabilidad estructural en Chile: informe de políticas

    OpenAIRE

    Ricardo J. Caballero

    2000-01-01

    (Disponible en idioma inglés únicamente) En este trabajo se identifican las debilidades económicas de Chile y se ofrecen recomendaciones de políticas para mejorar la estabilidad. Los problemas actuales incluyen vínculos financieros internacionales débiles, un mandato del Banco Central precariamente diseñado para tratar las sacudidas de los términos de intercambio, la propensión a desperdiciar la poca liquidez que hay en el sistema bancario y el desarrollo limitado de los mercados financieros....

  5. La política y las mujeres: Reflexiones finiseculares

    OpenAIRE

    Fernández Poncela, Anna M.

    2003-01-01

    A estas alturas del siglo XXI, varias voces desde el feminismo y la academia apuntan algunos obstáculos para superar en el camino hacia la igualdad entre hombres y mujeres. Uno de ellos es la discriminación femenina en la vida privada y la tradicional división del trabajo aún vigente, el otro, es la dificultad de acceso de las mujeres a lugares de responsabilidad en general y en concreto en el ámbito de la política (Camps 1998). De hecho, la ausencia de las mujeres en este espacio debe interp...

  6. Marine Targets Classification in PolInSAR Data

    Science.gov (United States)

    Chen, Peng; Yang, Jingsong; Ren, Lin

    2014-11-01

    In this paper, marine stationary targets and moving targets are studied by Pol-In-SAR data of Radarsat-2. A new method of stationary targets detection is proposed. The method get the correlation coefficient image of the In-SAR data, and using the histogram of correlation coefficient image. Then, A Constant False Alarm Rate (CFAR) algorithm and The Probabilistic Neural Network model are imported to detect stationary targets. To find the moving targets, Azimuth Ambiguity is show as an important feature. We use the length of azimuth ambiguity to get the target's moving direction and speed. Make further efforts, Targets classification is studied by rebuild the surface elevation of marine targets.

  7. Políticas educativas en tiempos de reconocimiento

    OpenAIRE

    Mick, Carola

    2016-01-01

    International audience; Al firmar el convenio 169 de la Organización Internacional del Trabajo, al adoptar la Ley e implementar el reglamento de Consulta Previa, el Estado peruano otorga derechos colectivos especiales a pueblos indígenas u originarios. Este reconocimiento de la diversidad cultural dentro de la sociedad no solamente lleva consigo nuevos desafíos para la política y las instituciones, en busca de encontrar caminos para incluir voces históricamente marginadas e interactuar más ce...

  8. Política oriental de India: Mitos y realidades

    OpenAIRE

    Vaidyanathan Shivkumar; José Ernesto Rangel Delgado

    2015-01-01

    La política exterior de la India desde su independencia el 15 agosto de 1947, ha sido de cooperación y conciliación, y no de confrontación. Ésta podría haber sido ampliada cuando los infiltrados pakistaníes entraron en el territorio de la India en 1948, ya que el entonces Primer Ministro instó a que este asunto se remitiera al recién formado Consejo Mundial de Naciones Unidas. Si se recorre la historia, encontraríamos que las tres guerras entre India y Pakistán fueron iniciadas por Paki...

  9. Europium (III) and americium (III) stability constants with humic acid

    International Nuclear Information System (INIS)

    Torres, R.A.; Choppin, G.R.

    1984-01-01

    The stability constants for tracer concentrations of Eu(III) and Am(III) complexes with a humic acid extracted from a lake-bottom sediment were measured using a solvent extraction system. The organic extractant was di(2-ethylhexyl)-phosphoric acid in toluene while the humate aqueous phase had a constant ionic strength of 0.1 M (NaClO 4 ). Aqueous humic acid concentrations were monitored by measuring uv-visible absorbances at approx.= 380 nm. The total carboxylate capacity of the humic acid was determined by direct potentiometric titration to be 3.86 +- 0.03 meq/g. The humic acid displayed typical characteristics of a polyelectrolyte - the apparent pKsub(a), as well as the calculated metal ion stability constants increased as the degree of ionization (α) increased. The binding data required a fit of two stability constants, β 1 and β 2 , such that for Eu, log β 1 = 8.86 α + 4.39, log β 2 = 3.55 α + 11.06 while for Am, log β 1 = 10.58 α + 3.84, log β 2 = 5.32 α + 10.42. With hydroxide, carbonate, and humate as competing ligands, the humate complex associated with the β 1 constant is calculated to be the dominant species for the trivalent actinides and lanthanides under conditions present in natural waters. (orig.)

  10. Políticas culturales y cultura política en una organización campesina del Magdalena Medio colombiano

    Directory of Open Access Journals (Sweden)

    Nydia Constanza Mendoza Romero

    2011-04-01

    Full Text Available El artículo se orienta a la comprensión de algunas relaciones entre cultura y poder que median los procesos organizativos inscritos en zonas de conflicto social y armado colombiano. En particular, se analiza la forma en la cual, en la configuración histórica de una organización campesina en Cimitarra, se van imbricando las políticas culturales, que desde este tipo de agrupaciones se despliegan, con las culturas políticas locales y nacionales, proceso en el que se van redefiniendo también los modos de asumir lo político.

  11. Recent results for Mark III

    International Nuclear Information System (INIS)

    Brient, J.C.

    1987-12-01

    This paper presents recent results from the Mark III detector at SPEAR, in the open charm sector. The first topic discussed is the reanalysis of the direct measurement of the D hadronic branching fractions, where a detailed study has been made of the Cabibbo suppressed and multi-π 0 's D decays backgrounds in the double tag sample. Next, the Dalitz plot analysis of the D decays to Kππ is presented, leading to the relative fractions of three-body versus pseudoscalarvector decays. 7 refs., 5 figs

  12. STRUCTURE OF Co(III) AND Fe(III) TRANSITION METAL IONS IN ...

    African Journals Online (AJOL)

    Bulletin of the Chemical Society of Ethiopia ... The hydration structures of Co(III) and Fe(III) ions have been investigated by Metropolis Monte Carlo (MC) simulations using only ion-water pair interaction ... KEY WORDS: Metropolis Monte Carlo simulation, Hydration structure, Fe(III) and Co(III) ions, Three-body corrections

  13. Perfiles Sociocognitivos de la Participación Política de los Jóvenes

    OpenAIRE

    Silvina Brussino; Hugo H. Rabbia; Patricia Sorribas

    2009-01-01

    El estudio analiza la capacidad discriminante de las variables interés en la política, conocimiento político, eficacia política y confianza política entre diferentes modos de participación política de los jóvenes de la ciudad de Córdoba/Argentina (no participación, participación política convencional y no convencional). Un total de 300 jóvenes de 18 a 30 años, seleccionados por muestreo no aleatorio, intervino voluntariamente del estudio. El conjunto de variables psico-sociales analizadas fue...

  14. Development of demographic norms for four new WAIS-III/WMS-III indexes.

    Science.gov (United States)

    Lange, Rael T; Chelune, Gordon J; Taylor, Michael J; Woodward, Todd S; Heaton, Robert K

    2006-06-01

    Following the publication of the third edition Wechsler scales (i.e., WAIS-III and WMS-III), demographically corrected norms were made available in the form of a computerized scoring program (i.e., WAIS-III/WMS-III/WIAT-II Scoring Assistant). These norms correct for age, gender, ethnicity, and education. Since then, four new indexes have been developed: the WAIS-III General Ability Index, the WMS-III Delayed Memory Index, and the two alternate Immediate and Delayed Memory Indexes. The purpose of this study was to develop demographically corrected norms for the four new indexes using the standardization sample and education oversample from the WAIS-III and WMS-III. These norms were developed using the same methodology as the demographically corrected norms made available in the WAIS-III/WMS-III/WIAT-II Scoring Assistant. Copyright 2006 APA, all rights reserved.

  15. Surdez, políticas inclusivas e professores turistas

    Directory of Open Access Journals (Sweden)

    Fernanda de Camargo Machado

    2017-02-01

    Full Text Available Este artigo provém de uma pesquisa que teve como foco as políticas públicas com acento na formação de professores de surdos no regime inclusivo. A analítica aproxima-se no arcabouço teórico-metodológico dos Estudos da Governamentalidade, propostos por Michel Foucault, tomando as noções de "dispositivo" e "governamentalidade" como alavancas para a compreensão do papel e atuação do docente de surdos nas políticas inclusivas. Os documentos selecionados para a investigação são materiais/cartilhas/coleções destinadas aos professores da Educação Infantil e Ensino Fundamental das escolas comuns, no sentido de orientá-los quanto à inclusão educacional de surdos. Este empreendimento analítico apontou a utilização de técnicas que produzem no docente de surdos um perfil profissional conveniente aos anseios neoliberais, de controle e produtividade.

  16. Joint ventures e a política antitruste brasileira

    Directory of Open Access Journals (Sweden)

    Ana Paula Avellar

    2012-12-01

    Full Text Available As políticas de defesa da concorrência integram atualmente o conjunto fundamental de instituições necessárias à promoção do crescimento e a busca das sociedades por arranjos mais eficientes. O presente trabalho tem como objetivo realizar uma análise da política antitruste brasileira concentrando-se no tratamento dado pelas autoridades à constituição de joint ventures. Na realização dessa tarefa, foram feitas revisões teóricas, constatações acerca dos procedimentos de autoridades internacionais sobre o assunto e um estudo empírico abordando casos julgados no Brasil entre os anos de 2002 e 2010. O resultado encontrado revela a inexistência de normatização específica para o tratamento das joint ventures no Brasil, culminando, assim, em uma relativa discricionariedade por parte dos órgãos do SBDC na análise desses atos.

  17. Investimentos diretos estrangeiros e políticas de desenvolvimento

    Directory of Open Access Journals (Sweden)

    Antônio Corrêa de Lacerda

    2008-05-01

    Full Text Available O artigo discute alternativas para a inserção internacional da economia brasileira, especialmente no que se refere ao papel dos investimentos diretos estrangeiros, da geração de valor agregado local e do desempenho das exportações, a partir do cenário da globalização e suas transformações. Na primeira parte analisa-se a competitividade dos países em desenvolvimento e, na segunda parte, discutem-se estratégias de política econômica para uma inserção internacional mais ativa na economia brasileira. Palavras-chave: investimentos diretos estrangeiros; globalização; inserção externa; políticas de desenvolvimento. Abstract The article discusses alternatives for the international insertion of Brazilian economy especially considering the role of foreign direct investments, the creation of local aggregated value and the exportations performance from the scene of the globalization and its transformations. In the first part, the competitiveness of developing countries is analyzed and in the second part, strategies of economic policy for a more active international of Brazilian economy are discussed. Keywords: foreign direct investments, globalization, international insertion, development policies.

  18. El surgimiento de la política global ambiental

    Directory of Open Access Journals (Sweden)

    Luis Fernando Vargas-Alzate

    2014-12-01

    Full Text Available Este artículo ofrece una revisión de variadas referencias orientadas a brindar explicaciones sobre la política global ambiental. El texto se divide en cuatro secciones; en la primera desarrolla los aportes del sistema de Naciones Unidas y el Informe Brundtland; en la segunda se remite a los primeros pasos de la comprensión conceptual; en la tercera desglosa el panorama de tránsito entre la política y la teoría verde, y en la cuarta cierra con la acción de los organismos no gubernamentales en temas ambientales y su respectiva sección concluyente. El trabajo académico está respaldado en un ejercicio de investigación que indagó por respuestas ante los enormes riesgos que vive la humanidad frente al deterioro ambiental y el relativamente bajo compromiso por parte de múltiples sectores que insisten en obviar dichas realidades. A su vez, se convierte en la primera aproximación de un estudio más elaborado sobre una temática aún no contemplada a profundidad en el país.

  19. Lições políticas de liberdade

    Directory of Open Access Journals (Sweden)

    Celso Prado Ferraz Carvalho

    2009-12-01

    Full Text Available Para os que lutam pelo socialismo a queda do Muro de Berlim e a reunificação da Alemanha abriram um período de novas oportunidades históricas e lições políticas que jamais poderiam ser esquecidas ou abandonadas! Dentre elas, aquelas que nos cobram muita firmeza ideológica no combate aos avanços do imperialismo mundial e, simultaneamente, capacidade teórica e militante no questionamento e superação do stalinismo e das forças contra-revolucionárias incrustadas no movimento internacional dos trabalhadores e da juventude socialista.  Esse artigo tem por objetivo problematizar de forma inicial a dimensão política desses acontecimentos e as perspectivas que eles abrem para a revolução.

  20. Colombia en torno la prensa política

    Directory of Open Access Journals (Sweden)

    Claudine Bancelin de Emiliani

    2015-05-01

    Full Text Available Para comprender el contenido de los mensajes que lanzan los partidos políticos colombianos -a través de los discursos de sus dirigentes, es necesario esclarecer de dónde provienen dichos mensajes y en qué sociedad concreta se dan, ya que ellos no son un objeto aislado, sino que forman parte de una totalidad, de una estructura, donde los elementos que la conforman están interrelacionados e interactuan entre si. Partiendo del punto de que un ámbito, el quehacer económico es el que determina en última instancia el funcionamiento de una sociedad, el estudio de esta es posible a través del modo de producción dominante. Es así como la estructura económica condiciona la estructura ideológica y la jurídica política. A través del estudio de la formación social es posible comprender la estructura total con su movilidad, donde se llega al momento actual en que la sociedad colombiana está caracterizada por un modo de producción capitalista.

  1. Fotomontajes feministas: dispositivos estético-políticos

    Directory of Open Access Journals (Sweden)

    Miguel Alfonso Bouhaben

    2017-12-01

    Full Text Available El presente artículo tiene el objetivo de estudiar los dispositivos estéticos y políticos que ponen en práctica los fotomontajes feministas de Martha Rosler y Barbara Kruger. Para ello, es necesario identificar cómo reaccionan estas obras contra el sistema impuesto por el patriarcado a través de la cultura mediática dominante. En los fotomontajes de Martha Rosler vamos a analizar los modos de cosificación de la mujer y las formas de control domopolítico que se establecen en el hogar. Además, nos adentraremos en los dispositivos de montaje y remontaje de imágenes, y de estructuración diferencial y deconstructiva, que la artista pone en práctica con fines emancipatorios. En el caso de Barbara Kruger nos centraremos en su crítica a los modos de representación de la mujer en los medios de comunicación. Asimismo, levantaremos acta de sus dispositivos de apropiación y de interrelación imagen-texto. Finalmente, haremos un balance de las implicaciones éticas y ontológicas que subyacen a estos dispositivos estético-políticos, en relación con las tesis defendidas por el feminismo.

  2. Transformational III-V Electronics

    KAUST Repository

    Nour, Maha A.

    2014-04-01

    Flexible electronics using III-V materials for nano-electronics with high electron mobility and optoelectronics with direct band gap are attractive for many applications. This thesis describes a complementary metal oxide semiconductor (CMOS) compatible process for transforming traditional III-V materials based electronics into flexible one. The thesis reports releasing 200 nm of Gallium Arsenide (GaAs) from 200 nm GaAs / 300 nm Aluminum Arsenide (AlAs) stack on GaAs substrate using diluted hydrofluoric acid (HF). This process enables releasing a single top layer compared to peeling off all layers with small sizes at the same time. This is done utilizing a network of release holes that contributes to the better transparency (45 % at 724 nm wavelengths) observed. Fabrication of metal oxide semiconductor capacitor (MOSCAPs) on GaAs is followed by releasing it to have devices on flexible 200 nm GaAs. Similarly, flexible GaSb and InP fabrication process is also reported to transform traditional electronics into large-area flexible electronics.

  3. Extraction of Nd(III), Tb(III) and Lu(III) with picrolonic acid in methylisobutylketone

    International Nuclear Information System (INIS)

    Ali, A.

    2004-01-01

    The extraction of Nd(III), Tb(III) and Lu(III) as representatives of lanthanide(III) ions with picrolonic acid (HPA) in methylisobutylketone (MIBK) has been studied from pH 1-2 buffer solutions. The composition of the organic species formed in the organic phase after extraction has been determined by slope analysis to be M(PA) 3 [M = Nd(III), Tb(III) and Lu(III)]. The equilibrium constant values, log k ex , were deduced to be 2.96±0.02, 2.52±0.05 and 1.52±0.07 for Nd(III), Tb(III) and Lu(III), respectively. The effect of various anions and cations on the extraction of these metal ions has also been studied. Among the masking anions, fluoride, oxalate, citrate and cyanide ions lowered the extraction, whereas presence of Zn(II) Cu(II), Fe(II), Co(II) and Ni(II) has only reduced to 25.87%. The extraction of various other divalent metal ions from pH 2 buffer solution was also studied and high separation factors (10 3 ) for the three selected rare earth metal ions were obtained with good selectivity. (author)

  4. Sobre antropología política (diálogo polémico con un viejo discurso

    Directory of Open Access Journals (Sweden)

    ENRIQUE LUQUE

    1984-01-01

    Full Text Available La Antropología Política es el resultado por ampliar el discurso occidental sobre el significado de la política y el humanismo. Sin embargo, la extensión de la esfera política implica su reducción a ocuparse de sólo un aspecto de la vida social. La política es así transformada, pasando de ser una actividad ética a un objeto de manipulación éticamente neutral (Maquiavelo y Hobbes. Se analiza brevemente el contraste entre esas dos concepciones mediante las contribuciones de Habermas. Se hace un rápido recorrido de la historia de la Antropología, desde los trabajos de Lewis H. Morgan hasta el presente, con especial atención a R.H. Lewie, A.R. Radcliffe-Brown, Meyer Fortes y E.E. Evans-Pritchard. El resultado de este recorrido refleja cómo los antropólogos, en su intento de definir la política en las sociedades ajenas a la cultura occidental han tenido que aceptar la inadecuada concepción de la Política respecto a las nuevas realidades estudiadas. Incluso, cuando han intentado trascender las diferencias culturales también han sido incapaces de despojar sus trabajos de instrumentos no idóneos. Aquéllos menos obsesionados por el estudio de la política en sentido estricto han ofrecido importantes claves para el entendimiento de las formas de política ajenas a nuestra cultura occidental. El caso más notable es el de Marcel Mauss.

  5. File list: Pol.Gon.05.AllAg.Testicular_somatic_cells [Chip-atlas[Archive

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  7. File list: Pol.Gon.20.AllAg.Testicular_somatic_cells [Chip-atlas[Archive

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  8. File list: Pol.Gon.10.AllAg.Testicular_somatic_cells [Chip-atlas[Archive

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  9. Aproximaciones Sociológicas en Torno a la Cultura Política Colombiana

    OpenAIRE

    Eduardo Guevara Cobos

    1999-01-01

    Partiendo de referentes conceptuales que permiten definir cultura política, se pretende abordar, desde una perspectiva histórica, algunos de sus componentes, con el fin de analizar las actitudes, normas y valores que han caracterizado la cultura política de la sociedad colombiana.

  10. File list: Pol.Utr.20.AllAg.Ovarian_granulosa_cells [Chip-atlas[Archive

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  17. File list: Pol.Bon.20.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  18. File list: Pol.ALL.20.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  20. File list: Pol.Oth.05.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  1. File list: Pol.Kid.20.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  2. File list: Pol.Bon.10.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  5. File list: Pol.Kid.05.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  10. File list: Pol.Utr.05.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  13. File list: Pol.Unc.10.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  1. File list: Pol.ALL.05.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  5. File list: Pol.Epd.50.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  6. File list: Pol.Bld.50.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  7. File list: Pol.Pup.10.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  10. File list: Pol.Pan.05.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  11. File list: Pol.ALL.05.RNA_polymerase_II.AllCell [Chip-atlas[Archive

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  12. File list: Pol.Epd.10.RNA_polymerase_II.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  13. File list: Pol.Gon.20.RNA_polymerase_II.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Gon.20.RNA_polymerase_II.AllCell hg19 RNA polymerase RNA polymerase II Gonad ht...tp://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Gon.20.RNA_polymerase_II.AllCell.bed ...

  14. File list: Pol.CDV.20.RNA_polymerase_II.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.CDV.20.RNA_polymerase_II.AllCell hg19 RNA polymerase RNA polymerase II Cardiova...,SRX346933,SRX346936,SRX367018,SRX367016 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.CDV.20.RNA_polymerase_II.AllCell.bed ...

  15. File list: Pol.Pan.10.AllAg.Pancreatic_cancer_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Pan.10.AllAg.Pancreatic_cancer_cells mm9 RNA polymerase Pancreas Pancreatic cancer... cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Pan.10.AllAg.Pancreatic_cancer_cells.bed ...

  16. File list: Pol.Brs.05.AllAg.Breast_cancer_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Brs.05.AllAg.Breast_cancer_cells hg19 RNA polymerase Breast Breast cancer cells... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Brs.05.AllAg.Breast_cancer_cells.bed ...

  17. File list: Pol.Brs.10.AllAg.Breast_cancer_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Brs.10.AllAg.Breast_cancer_cells hg19 RNA polymerase Breast Breast cancer cells... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Brs.10.AllAg.Breast_cancer_cells.bed ...

  18. File list: Pol.Neu.50.AllAg.Corpus_Striatum [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Neu.50.AllAg.Corpus_Striatum mm9 RNA polymerase Neural Corpus Striatum SRX65717...3,SRX657178,SRX657174,SRX657179 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Neu.50.AllAg.Corpus_Striatum.bed ...

  19. File list: Pol.Neu.10.AllAg.Corpus_Striatum [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Neu.10.AllAg.Corpus_Striatum mm9 RNA polymerase Neural Corpus Striatum SRX65717...4,SRX657179,SRX657173,SRX657178 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Neu.10.AllAg.Corpus_Striatum.bed ...

  20. File list: Pol.Neu.05.AllAg.Corpus_Striatum [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Neu.05.AllAg.Corpus_Striatum mm9 RNA polymerase Neural Corpus Striatum SRX65717...4,SRX657179,SRX657178,SRX657173 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Neu.05.AllAg.Corpus_Striatum.bed ...

  1. File list: Pol.Neu.20.AllAg.Corpus_Striatum [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Neu.20.AllAg.Corpus_Striatum mm9 RNA polymerase Neural Corpus Striatum SRX65717...3,SRX657178,SRX657179,SRX657174 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Neu.20.AllAg.Corpus_Striatum.bed ...

  2. File list: Pol.Bld.05.AllAg.Jurkat [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Bld.05.AllAg.Jurkat hg19 RNA polymerase Blood Jurkat SRX1144288,SRX1144287,SRX3...45926,SRX345929,SRX1144286,SRX668242,SRX033327,SRX345932,SRX345930,SRX033328,SRX345931,SRX033329 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Bld.05.AllAg.Jurkat.bed ...

  3. File list: Pol.Bld.50.AllAg.Jurkat [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Bld.50.AllAg.Jurkat hg19 RNA polymerase Blood Jurkat SRX1144287,SRX033328,SRX11...44288,SRX1144286,SRX345932,SRX345929,SRX345931,SRX345926,SRX033329,SRX345930,SRX033327,SRX668242 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Bld.50.AllAg.Jurkat.bed ...

  4. File list: Pol.Bld.20.AllAg.Jurkat [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Bld.20.AllAg.Jurkat hg19 RNA polymerase Blood Jurkat SRX1144287,SRX033328,SRX66...8242,SRX1144288,SRX345930,SRX345929,SRX1144286,SRX345932,SRX345931,SRX345926,SRX033329,SRX033327 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Bld.20.AllAg.Jurkat.bed ...

  5. File list: Pol.Bld.10.AllAg.Jurkat [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Bld.10.AllAg.Jurkat hg19 RNA polymerase Blood Jurkat SRX1144288,SRX1144287,SRX3...45926,SRX668242,SRX345929,SRX345930,SRX033328,SRX1144286,SRX345932,SRX033327,SRX033329,SRX345931 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Bld.10.AllAg.Jurkat.bed ...

  6. File list: Pol.Pan.50.AllAg.Pancreatic_cancer_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Pan.50.AllAg.Pancreatic_cancer_cells mm9 RNA polymerase Pancreas Pancreatic can...cer cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Pan.50.AllAg.Pancreatic_cancer_cells.bed ...

  7. File list: Pol.Pan.10.AllAg.Pancreatic_beta_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Pan.10.AllAg.Pancreatic_beta_cells mm9 RNA polymerase Pancreas Pancreatic beta ...cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Pan.10.AllAg.Pancreatic_beta_cells.bed ...

  8. File list: Pol.Neu.10.AllAg.Nerve_Sheath_Neoplasms [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Neu.10.AllAg.Nerve_Sheath_Neoplasms mm9 RNA polymerase Neural Nerve Sheath Neop...lasms http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Neu.10.AllAg.Nerve_Sheath_Neoplasms.bed ...

  9. File list: Pol.Adl.50.AllAg.Adult_male_fatbody [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Adl.50.AllAg.Adult_male_fatbody dm3 RNA polymerase Adult Adult male fatbody htt...p://dbarchive.biosciencedbc.jp/kyushu-u/dm3/assembled/Pol.Adl.50.AllAg.Adult_male_fatbody.bed ...

  10. File list: Pol.Adl.10.AllAg.Adult_male_fatbody [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Adl.10.AllAg.Adult_male_fatbody dm3 RNA polymerase Adult Adult male fatbody htt...p://dbarchive.biosciencedbc.jp/kyushu-u/dm3/assembled/Pol.Adl.10.AllAg.Adult_male_fatbody.bed ...

  11. File list: Pol.Adl.20.AllAg.Adult_male_fatbody [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Adl.20.AllAg.Adult_male_fatbody dm3 RNA polymerase Adult Adult male fatbody htt...p://dbarchive.biosciencedbc.jp/kyushu-u/dm3/assembled/Pol.Adl.20.AllAg.Adult_male_fatbody.bed ...

  12. File list: Pol.Prs.50.AllAg.Prostate_cancer_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Prs.50.AllAg.Prostate_cancer_cells hg19 RNA polymerase Prostate Prostate cancer... cells SRX022582 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Prs.50.AllAg.Prostate_cancer_cells.bed ...

  13. File list: Pol.Pan.05.AllAg.Pancreatic_cancer_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Pan.05.AllAg.Pancreatic_cancer_cells mm9 RNA polymerase Pancreas Pancreatic cancer... cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Pan.05.AllAg.Pancreatic_cancer_cells.bed ...

  14. File list: Pol.Brs.20.AllAg.Breast_cancer_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Brs.20.AllAg.Breast_cancer_cells hg19 RNA polymerase Breast Breast cancer cells... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Brs.20.AllAg.Breast_cancer_cells.bed ...

  15. Regulating Smart Cities, 11º Congreso Internacional de Internet, Derecho y Política

    Directory of Open Access Journals (Sweden)

    Joan Balcells

    2016-02-01

    Full Text Available El 11º Congreso Internacional de Internet, Derecho y Política (IDP 2015, organizado por los Estudios de Derecho y Ciencia Política de la UOC, estuvo dedicado a la regulación de las smart cities (ciudades inteligentes.

  16. File list: Pol.Oth.05.AllAg.Trabecular_meshwork_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Oth.05.AllAg.Trabecular_meshwork_cells hg19 RNA polymerase Others Trabecular meshwork... cells http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Oth.05.AllAg.Trabecular_meshwork_cells.bed ...

  17. File list: Pol.Oth.50.AllAg.Trabecular_meshwork_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Oth.50.AllAg.Trabecular_meshwork_cells hg19 RNA polymerase Others Trabecular meshwork... cells http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Oth.50.AllAg.Trabecular_meshwork_cells.bed ...

  18. File list: Pol.Oth.20.AllAg.Trabecular_meshwork_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Oth.20.AllAg.Trabecular_meshwork_cells hg19 RNA polymerase Others Trabecular meshwork... cells http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Oth.20.AllAg.Trabecular_meshwork_cells.bed ...

  19. File list: Pol.Oth.10.AllAg.Trabecular_meshwork_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Oth.10.AllAg.Trabecular_meshwork_cells hg19 RNA polymerase Others Trabecular meshwork... cells http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Oth.10.AllAg.Trabecular_meshwork_cells.bed ...

  20. File list: Pol.Gon.10.AllAg.Testis [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Gon.10.AllAg.Testis mm9 RNA polymerase Gonad Testis SRX349391,SRX112975,SRX1437...96,SRX237511,SRX237510,SRX244355 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Gon.10.AllAg.Testis.bed ...