Herbicide-resistant ahas-mutants and methods of use

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 9/88 (2006.01) A01H 5/00 (2006.01) A01H 5/10 (2006.01) C12N 15/60 (2006.01) C12N 15/82 (2006.01)

Patent

CA 2737939

The invention provides transgenic or non-transgenic plants with improved levels of tolerance to AHAS-inhibiting herbicides. The invention also provides nucleic acids encoding mutants of the acetohydroxyacid synthase (AHAS) large subunit, expression vectors, plants comprising the nucleic acids encoding the AHASL subunits containing one, two, or more mutations, plants comprising such AHASL subunit mutant nucleic acids, methods for making and using the same, and methods of controlling weeds.

La présente invention concerne des végétaux transgéniques ou non transgéniques présentant un niveau de tolérance renforcé face aux herbicides inhibant l'AHAS. L'invention concerne également des acides nucléiques codant pour des mutants de la grosse sous-unité de l'acétohydroxyacide synthase, des vecteurs d'expression, des végétaux comprenant les acides nucléiques codant pour les sous-unités AHASL contenant une, deux ou plusieurs mutations, des végétaux comprenant lesdits acides nucléiques codant pour des mutants de ladite sous-unité AHASL, des procédés de fabrication et d'utilisation de ceux-ci et des procédés de lutte contre les mauvaises herbes.

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