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Título : Transgenic tobacco plants overexpressing Chitinases of Fungal Origin Show Enhanced Resistance to Biotic and Abiotic Stress Agents
Autor : Dana, María de la Mercedes; Pintor-Toro, José Antonio ; Cubero, Beatriz
Fecha de publicación : 2006
Editor: American Society of Plant Physiologists
Citación : Plant Physiology 142(2): 722–730 (2006)
Resumen: Genes encoding defense-related proteins have been used to alter the resistance of plants to pathogens and other environmental challenges, but no single fungal gene overexpression has produced broad-spectrum stress resistance in transgenic lines. We have generated transgenic tobacco (Nicotiana tabacum) lines that overexpress the endochitinases CHIT33 and CHIT42 from the mycoparasitic fungus Trichoderma harzianum and have evaluated their tolerance to biotic and abiotic stress. Both CHIT33 and CHIT42, individually, conferred broad resistance to fungal and bacterial pathogens, salinity, and heavy metals. Such broad-range protective effects came off with no obvious detrimental effect on the growth of tobacco plants.
Versión del editor: http://dx.doi.org/10.1104/pp.106.086140
URI : http://hdl.handle.net/10261/3350
DOI: 10.1104/pp.106.086140
ISSN: 1532-2548
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