Use of atbg1 gene for the generation of transgenic plants...

Details Use of atbg1 gene for the generation of transgenic plants... Use of atbg1 gene for the generation of transgenic plants...

C - Chemistry, Metallurgy

12

N

C12N 15/29 (2006.01)

Patent

CA 2592463

The present invention relates to a use of AtBGl {Arabidopsis thaliana .beta.- glucosidase 1) gene and a transgenic plan with the AtBGl gene insertion, more precisely, a use of AtBGl gene for the generation of a transgenic plant having resistance to various environmental stresses by increasing the level of abscisic acid (ABA) , a kind of plant hormone, and a transgenic plant having stress-resistance with the AtBGl gene insertion. Plants have enhanced resistance against various environmental stresses including low temperature, salt damage and dehydration owing to the increased level of ABA. Thus, the method to increase the level of ABA can greatly contribute to the enhancement of agricultural production.

L'invention concerne une utilisation du gène AtBG1 (Arabidopsis thaliana .beta.-glucosidase 1) et une plante transgénique à insertion du gène AtBG1, plus précisément, une utilisation du gène AtBG1 pour la génération d'une plante transgénique résistant à divers stress environnementaux par augmentation du niveau d'acide abscissique (ABA), un type d'hormone végétale, et une plante transgénique résistant au stress, à insertion du gène AtBG1. Ces plantes présentent une résistance accrue à divers stress environnementaux, dont la basse température, les dommages dus au sel et la déshydratation, du fait de l'augmentation du taux d'ABA. Ainsi, le procédé d'augmentation du taux d'ABA peut contribuer sensiblement à l'amélioration de la production agricole.

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