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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2001
License: CC BY NC ND
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DIGITAL.CSIC
Doctoral thesis . 2013 . Peer-reviewed
Data sources: DIGITAL.CSIC
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Regulación de la homeostasis de sodio y potasio por la proteína fosfatasa calcineurina

Authors: Mendoza Baisas, Imelda;

Regulación de la homeostasis de sodio y potasio por la proteína fosfatasa calcineurina

Abstract

Se ha utilizado la levadura Saccharomyces cerevisiae como organismo modelo para identificar genes y proteínas esenciales en la tolerancia a la salinidad.Se estudian dos genes aislados por complementación de mutantes de levadura sensibles a NaCI. Uno de ellos codifica la subunidad reguladora de la proteína fosfatasa calcineurina y el otro al factor de transcripción Yap4. Se demuestra que calcineurina es necesaria para la tolerancia a sodio debido a su actividad en la regulación de la Na+-ATPasa Ena1 y en el sistema de transporte de potasio Trk. La activación constitutiva de calcineurina, mediante coexpresión de la subunidad reguladora y una subunidad catalítica truncada, produce células mas tolerantes a sodio. Yap4 es un factor de transcripción tipo bZIP que media la expresión de los genes ENA1 y PMR1, regulados a su vez por calcineneurina.

147 páginas.-- 53 figuras.-- 10 tablas.-- 147 referencias.-- Tesis presentada para optar al grado de Doctor en Biología con la calificación de sobresaliente Cum Laude por unanimidad

Peer reviewed

Country
Spain
Keywords

Proteínas, Sodio, Proteína, Fosfatasa calcineurina, Saccharomyces cerevisiae, Potasio, Levadura, Genética

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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