The overexpression in Arabidopsis thaliana of aTrichoderma harzianum gene that modulates glucosidase activity, and enhances tolerance to salt and osmotic stresses
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http://dx.doi.org/10.1016/j.jplph.2011.01.027 |
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Título
The overexpression in Arabidopsis thaliana of aTrichoderma harzianum gene that modulates glucosidase activity, and enhances tolerance to salt and osmotic stressesAutoría
Fecha de publicación
2011-07-15Editor
ElsevierISSN
0176-1617Cita bibliográfica
Journal of Plant Physiology (Jul. 2011) vol. 168, no. 11, p. 1295-1302Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.sciencedirect.com/science/article/pii/S0176161711001246Palabras clave / Materias
Resumen
Using the TrichoEST database, generated in a previous functional genomics project from the beneficial filamentous fungus Trichoderma harzianum, a gene named Thkel1, which codes for a putative kelch-repeat protein, was ... [+]
Using the TrichoEST database, generated in a previous functional genomics project from the beneficial filamentous fungus Trichoderma harzianum, a gene named Thkel1, which codes for a putative kelch-repeat protein, was isolated and characterized. Silencing of this gene in T. harzianum leads to a reduction of glucosidase activity and mycelial growth under abiotic stress conditions. Expression of this gene inArabidopsis enhances plant tolerance to salt and osmotic stresses, accompanied by an increase in glucosidase activity and a reduction of abscisic acid levels compared to those observed in wild-type plants. Data presented throughout this article suggest the high value of T. harzianum as a source of genes able to facilitate the achievement of producing plants resistant to abiotic stresses without alteration of their phenotype. [-]
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© 2011 Elsevier Inc. All rights reserved
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