Results 41 to 50 of about 37,797 (268)

In god we trust, all other bring data. ¿Debe haber un control de fusiones empresariales en el Perú?

open access: yesThēmis, 2012
En el presente artículo, los autores critican este carácter basado en la incertidumbre del control de fusiones. Exigen que estas agencias se basen más en los hechos y no pretendan corregir errores antes de que sucedan. Además, analizan los resultados del
Alfredo Bullard González   +2 more
doaj  

Multiple ETS family transcription factors bind mutant p53 via distinct interaction regions

open access: yesFEBS Letters, EarlyView.
Mutant p53 gain‐of‐function is thought to be mediated by interaction with other transcription factors. We identify multiple ETS transcription factors that can bind mutant p53 and found that this interaction can be promoted by a PXXPP motif. ETS proteins that strongly bound mutant p53 were upregulated in ovarian cancer compared to ETS proteins that ...
Stephanie A. Metcalf   +6 more
wiley   +1 more source

Privatización y fusiones en oligopolios mixtos

open access: yesEstudios de Economía, 2007
Partiendo de un modelo de oligopolio mixto en el que las empresas compiten a la Cournot, el objetivo de este trabajo es el de complementar la literatura existente sobre las fusiones horizontales de empresas.
José Méndez Naya
doaj  

Fusiones bancarias en Estados Unidos: la experiencia de Wells Fargo [PDF]

open access: yes, 2017
Texto de divulgación científica publicado en la Revista Buzos, Año. 17, Núm.
Meireles, Monika, Santiago, Arturo
core  

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Las rentas de las exportaciones y la política comercial con oligopolio

open access: yesEl Trimestre Económico, 2005
Para una industria oligopólica, este ensayo analiza la manera cómo la políti -ca comercial puede depender de la naturaleza competitiva de los mercados.Estudiamos los efectos de las fusiones nacionales y extranjeras en la políticaco mer cial óp ti ma del ...
Marcos Ávalos, José Carlos Ramírez
doaj  

Fusiones horizontales que reducen los precios [PDF]

open access: yes, 2003
Este trabajo desarrolla un modelo de equilibrio de un mercado con diferenciación horizontal de productos en el cual las empresas fijan los precios de las variedades que proveen y, en ciertos casos, alguna de ellas actúa como líder de precios.
Coloma, Germán
core  

Membrane fusion [PDF]

open access: yesNature Structural & Molecular Biology, 2008
Subcellular compartmentalization, cell growth, hormone secretion and neurotransmission require rapid, targeted, and regulated membrane fusion. Fusion entails extensive lipid rearrangements by two apposed (docked) membrane vesicles, joining their membrane proteins and lipids and mixing their luminal contents without lysis.
William, Wickner, Randy, Schekman
openaire   +2 more sources

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions

open access: yesFEBS Letters, EarlyView.
We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva   +10 more
wiley   +1 more source

Home - About - Disclaimer - Privacy