876 resultados para Roma - Politica e governo - 30 A.C.-476
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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El presente trabajo intenta aplicar la teoría de la Estabilidad Hegemónica al análisis de un sistema internacional no contemporáneo (no Estado-Westfaliano) permitiendo observar la trascendencia de las teorías de las Relaciones Internacionales en el tiempo; permite ampliar el margen de estudio de las relaciones internacionales obteniendo nuevas herramientas de análisis para futuros debates teóricos: si existe una trascendencia de las teorías de las relaciones internacionales hacia el pasado, ¿podrían ser aplicables en un futuro ausente de Estados-Nación? Ahora bien, los aportes pueden brindar sustento a la Teoría de la Estabilidad Hegemónica considerándola como la mejor propuesta para analizar la configuración del sistema internacional que permita concretar una estabilidad económico-política en las relaciones internacionales mundiales.
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UANL
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UANL
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Understanding the women’s political manifest at the present national scenario through analyzing the historicity and complexity of women’s movement and their contradictions regarding females / feminists actions in public and political areas. Thus, I give emphasis to the 30s and its “green blouses” and 60’s with “the marchadeiras” showing how those conservatives movements and their facist trend took on organized actions. And, also acting on the opposite way of democratic areas and the struggles for increasing the rights and advocating the maintenance of a status quo, keeping female traditional practices. Those women, who were living in the most visible female conjunctures and resistance to authoritarian governments, have taken positions that were holding back the progress in the game, contributing to reflux before the conquest of rights and gender equity.
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After vascular injury, a cascade of serine protease activations leads to the conversion of the soluble fibrinogen molecule into fibrin. The fibrin monomers then polymerize spontaneously and noncovalently to form a fibrin gel. The primary interaction of this polymerization reaction is between the newly exposed N-terminal Gly-Pro-Arg sequence of the α chain of one fibrin molecule and the C-terminal region of a γ chain of an adjacent fibrin(ogen) molecule. In this report, the polymerization pocket has been identified by determining the crystal structure of a 30-kDa C-terminal fragment of the fibrin(ogen) γ chain complexed with the peptide Gly-Pro-Arg-Pro. This peptide mimics the N terminus of the α chain of fibrin. The conformational change in the protein upon binding the peptide is subtle, with electrostatic interactions primarily mediating the association. This is consistent with biophysical experiments carried out over the last 50 years on this fundamental polymerization reaction.
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Biblographical footnotes.
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Thesis (doctoral)--Albertus-Universitat zu Konigsberg i. Pr.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Relações Internacionais (UNESP - UNICAMP - PUC-SP) - FFC
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The ribosomal P-site hosts the peptidyl-tRNAs during translation elongation. Which P-site elements support these tRNA species to maintain codon-anticodon interactions has remained unclear. We investigated the effects of P-site features of methylations of G966, C967, and the conserved C-terminal tail sequence of Ser, Lys, and Arg (SKR) of the S9 ribosomal protein in maintenance of the translational reading frame of an mRNA. We generated Escherichia coli strains deleted for the SKR sequence in S9 ribosomal protein, RsmB (which methylates C967), and RsmD (which methylates G966) and used them to translate LacZ from its +1 and -1 out-of-frame constructs. We show that the S9 SKR tail prevents both the +1 and -1 frameshifts and plays a general role in holding the P-site tRNA/peptidyl-tRNA in place. In contrast, the G966 and C967 methylations did not make a direct contribution to the maintenance of the translational frame of an mRNA. However, deletion of rsmB in the S9 Delta 3 background caused significantly increased -1 frameshifting at 37 degrees C. Interestingly, the effects of the deficiency of C967 methylation were annulled when the E. coli strain was grown at 30 degrees C, supporting its context-dependent role.