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Ágora Revista Científica
Article . 2015 . Peer-reviewed
License: CC BY NC
Data sources: Crossref
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Análisis bioinformático de la proteína SAG29 de Arabidopsis thaliana involucrada en la respuesta al estrés salino

Authors: Chavez-Gamarra, Malú; Carrasco Chamorro, Manuel J.; La Rosa, Rafael; Sandoval, Gustavo A.;

Análisis bioinformático de la proteína SAG29 de Arabidopsis thaliana involucrada en la respuesta al estrés salino

Abstract

Objetivo: Realizar el análisis bioinformático de la proteína SAG29 de Arabidopsis thaliana involucrada en la respuesta al estrés salino. Material y métodos: Se realizó la búsqueda de proteínas relacionadas al estrés salino en plantas empleando la base de datos del GenBank. A partir de dicha información, se obtuvo la secuencia aminoacídica de la proteína SAP29 de A. thaliana (código de accesión AED91859.1). Dicha secuencia fue utilizada para determinar sus principales parámetros bioquímicos, dominios conservados entre proteínas cercanamente relacionadas, predicción de estructuras secundarias y modelamiento tridimensional, empleando las herramientas bioinformáticas ProtParam, Prosite, PHD Secondary Structure Prediction, SWISS-MODEL y Phyre2, respectivamente. La visualización de modelos tridimensionales se realizó empleando PyMol. Resultados: La proteína SAG29 posee 292 aminoácidos y un peso molecular de 32.9 kDa, así como dominios conservados correspondientes a proteínas involucradas en el transporte de azúcares a través de la membrana plasmática de células vegetales. Además, de acuerdo con la predicción de su estructura tridimensional, resulta evidente que SAG29 es una proteína transmembrana con siete dominios formados por hélices α y que poseen poca similitud estructural con otras proteínas reportadas. Conclusión: La proteína SAG29 de A. thaliana es una molécula básica de mediano peso molecular relacionada con las proteínas de la familia MtN3_slv. Además resultan importantes en la regulación de la viabilidad celular y respuesta al estrés salino.

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Keywords

Arabidopsis thaliana, modelamiento, SAG29, estrés salino

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citations
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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