Regulated expression of genes in plant seeds

Details Regulated expression of genes in plant seeds Regulated expression of genes in plant seeds

C - Chemistry, Metallurgy

12

N

C12N 15/82 (2006.01) A01H 5/00 (2006.01) C12N 15/54 (2006.01)

Patent

CA 2370594

This invention relates generally to the field of plant molecular biology. More specifically, this invention relates to methods and reagents for the temporal and/or spatial expression of genes that affect metabolically effective levels of cytokinins in plant seeds and related maternal tissue. This invention further relates to transgenic plants having enhanced levels of cytokinin expression wherein the transgenic plant exhibits useful characteristics, including: improved seed size, decreased tip kernel abortion, increased seed set during unfavorable environmental conditions, and stability of yield.

De manière générale cette invention concerne le domaine de la biologie moléculaire des plantes, de manière plus spécifique il s'agit de procédés et de réactifs utilisés pour l'expression temporelle et/ou spatiale de gènes qui affectent les taux efficaces du point de vue métabolique des cytokines dans des graines de plante et des tissus maternels associés. Cette invention concerne également des plantes transgéniques ayant des taux accrus de l'expression de cytokine tels que la plante transgénique présente des caractéristiques utiles telles que: une taille accrue de la graine, la réduction de l'arrêt avant terme du grain supérieur, une meilleure grenaison dans des conditions environnementales défavorables et une stabilité du rendement.

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