Plants having increased yield-related traits and a method...

C - Chemistry – Metallurgy – 12 – N

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Details

C12N 15/82 (2006.01) A01H 5/00 (2006.01) A01H 5/10 (2006.01) C12N 15/29 (2006.01)

Patent

CA 2699066

The present invention relates generally to the field of molecular biology and concerns a method for increasing var-ious plant yield-related traits by increasing expression in a plant of a nucleic acid sequence encoding a polypeptide selected from the group consisting of: GRF polypeptide, RAA1-like polypeptide, SYR polypeptide, ARKL polypeptide, and YTP polypeptide. The present invention also concerns plants having increased expression of a nucleic acid sequence encoding a polypeptide selected from the group consisting of: GRF polypeptide, RAA1-like polypeptide, SYR polypeptide, ARKL polypeptide, and YTP polypep-tide, which plants have increased yield-related traits relative to control plants. The invention also provides constructs useful in the methods of the invention.

La présente invention concerne d'une manière générale le domaine de la biologie moléculaire et notamment un procédé permettant d'augmenter divers caractères liés au rendement des plantes par augmentation de l'expression dans une plante d'une séquence d'acide nucléique codant pour un polypeptide sélectionné dans le groupe constitué par : un polypeptide GRF, un polypeptide analogue à RAA1, un polypeptide SYR, un polypeptide ARKL, et un polypeptide YTP. La présente invention concerne également des plantes présentant une expression accrue d'une séquence d'acide nucléique codant pour un polypeptide sélectionné dans le groupe constitué par : un polypeptide GRF, un polypeptide analogue à RAA1, un polypeptide SYR, un polypeptide ARKL, et un polypeptide YTP, lesdites plantes ayant des caractères liés au rendement accrus par rapport à des plantes témoins. L'invention prévoit également des constructions géniques utiles dans les procédés de l'invention.

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