Isolated polynucleotides and polypeptides and methods of...

C - Chemistry – Metallurgy – 12 – N

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C12N 15/29 (2006.01) A01H 5/00 (2006.01) C07K 14/415 (2006.01) C12N 15/82 (2006.01)

Patent

CA 2736350

Provided are methods of increasing yield, biomass, growth rate, vigor, oil content, abiotic stress tolerance and/or nitrogen use efficiency of a plant by expressing within the plant an exogenous polynucleotide comprising a nucleic acid sequence at least 80 % identical to SEQ ID NO: 905, 882, 1-12, 15-105, 203-297, 299- 523, 845- 881, 883-904, 906-925 or 933; or an exogenous polynucleotide encoding a polypeptide at least 80 % identical to SEQ ID NO: 172, 146, 106-117, 120-145, 147-171, 173-202, 524-616, 621-844, 926-931 or 932. Also provided isolated polynucleotide comprising a nucleic acid sequence selected from the group consisting of SEQ ID NOs:905, 882, 1- 13, 15-105, 203-523, 845- 881, 883-904, 906-925 and 933, which can be used to increase yield, biomass, growth rate, vigor, oil content, abiotic stress tolerance and/or nitrogen use efficiency of a plant.

L'invention concerne des procédés pour augmenter le rendement, la biomasse, la vitesse de croissance, la vigueur, la teneur en huile, la tolérance au stress abiotique et/ou l'efficacité d'utilisation de l'azote d'une plante par expression dans la plante d'un polynucléotide exogène comprenant une séquence d'acide nucléique identique à au moins 80 % à SEQ ID NO: 905, 882, 1-12, 15-105, 203-297, 299-523, 845- 881, 883-904, 906-925 ou 933; ou d'un polynucléotide exogène codant un polypeptide identique à au moins 80 % à SEQ ID NO : 172, 146, 106-117, 120-145, 147-171, 173-202, 524-616, 621-844, 926-931 ou 932. Elle concerne également un polynucléotide isolé comprenant une séquence d'acide nucléique choisie dans l'ensemble consistant en SEQ ID NO :905, 882, 1- 13, 15-105, 203-523, 845-881, 883-904, 906-925 et 933, qui peut être utilisé pour augmenter le rendement, la biomasse, la vitesse de croissance, la vigueur, la teneur en huile, la tolérance au stress abiotique et/ou l'efficacité d'utilisation de l'azote d'une plante.

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