Compositions and methods for production of male-sterile plants

Details Compositions and methods for production of male-sterile plants Compositions and methods for production of male-sterile plants

C - Chemistry, Metallurgy

12

N

C12N 15/54 (2006.01) A01H 5/00 (2006.01) C07K 16/40 (2006.01) C12N 9/12 (2006.01)

Patent

CA 2177217

The present invention provides plant calcium/calmodulin-dependent protein kinase (CCaMK) nucleic acids, polypeptides, antibodies, and related methods. CCaMK genes are expressed in anthers in a developmental stage-specific manner. Suppression of CCaMK expression, e.g., by an antisense transgene, results in male-sterility.

La présente invention porte sur les acides nucléiques, les polypeptides, les anticorps de la protéine kinase (CCaMK) des plantes, dépendant du calcium ou de la calmoduline, ainsi que sur des méthodes connexes. Les gènes de la CCaMK sont exprimés dans les anthères d'une manière propre au stade de développement. La suppression de l'expression de la CcaMK, p.ex. par un transgène antisens, entraîne la stérilité chez les mâles.

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