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Transformación de fresa con el gen AtNPR1 para inducir tolerancia a patógenos fúngicos

Authors: Barceló Muñoz, Marta; Palomo Ríos, E.; Blanco Portales, R.; Muñoz-Blanco, Juan; López Herrera, Carlos; Mercado Carmona, J. A.; Pliego-Alfaro, Fernando;

Transformación de fresa con el gen AtNPR1 para inducir tolerancia a patógenos fúngicos

Abstract

Rosellinia necatrix es un hongo patógeno que afecta a las plantaciones de aguacate en el sur de la Península Ibérica. Nuestro grupo está evaluando la utilidad de genes de origen diverso para inducir tolerancia a este patógeno: sin embargo, dada la dificultad que presenta obtener plantas transgénicas de aguacate, actualmente estamos utilizando la fresa, también huésped de R. necatrix, para evaluar el efecto de los genes. En este trabajo presentamos los resultados obtenidos tras la transformación con el gen AtNPRI. En Arabidopsis, se ha identificado el gen NPRI como un regulador de la Resistencia Sistemática Adquirida mediada por acumulación del ácido salicílico (SA) (Cao et al., 1977). Este gen también juega un papel crítico en las rutas de señalización del etileno y del ácido jasmónico, implicadas en la resistencia sistemática inducida (Pieterse et al., 1998). Las plantas que expresaban constitutivamente AtNPRI mostraron una mayor producción de proteínas PR y también resistencia a un amplio rango de diferentes patógenos.

Ponencia presentada en XIII Congreso Nacional de Ciencias Hortícolas celebrado en Almeria del 16 al 20 de abril de 2012.

Esta investigación ha sido financiada por el proyecto AGL2008-05453-C02-01.

Peer Reviewed

Keywords

Respuesta sistémica adquirida, Podredumbre blanca, Fragaria x ananassa

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selected citations
These citations are derived from selected sources.
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!
0
Average
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