Novel invertase inhibitors and methods of use

Details Novel invertase inhibitors and methods of use Novel invertase inhibitors and methods of use

C - Chemistry, Metallurgy

12

N

C12N 15/29 (2006.01) A01H 5/10 (2006.01) C07K 14/415 (2006.01) C12N 5/04 (2006.01) C12N 15/55 (2006.01) C12N 15/62 (2006.01) C12N 15/82 (2006.01)

Patent

CA 2392070

Methods and compositions for increasing yield in plants, particularly seed plants, are provided. The compositions comprise novel nucleic acid molecules encoding invertase inhibitors, antisense nucleotides corresponding to invertase inhibitors, and variants and fragments thereof. Such compositions find use in methods to modulate invertase activity in plants. The compositions are also useful in methods to modulate kernel development and for protecting plants against the harmful/detrimental effects of stress and adverse environmental conditions. The nucleotide sequences may be provided in constructs for temporal, developmental, and tissue performance. Transformed plants, plant cells, tissues, and seeds are additionally provided.

L'invention concerne des procédés et des compositions permettant d'améliorer le rendement des plantes, en particulier le rendement des plantes mères. Les compositions renferment de nouvelles molécules d'acides nucléiques codant les inhibiteurs d'invertase, des nucléotides antisens correspondant aux inhibiteurs d'invertase ainsi que des variants et des fragments associés. Les compositions sont également utilisées dans les procédés de modulation du développement des noyaux et pour la protection des plantes contre les effets nocifs/nuisibles du stress et des conditions défavorables de l'environnement. Les séquences nucléotidiques peuvent être fournies dans des produits de synthèse pour la préférence temporelle, la préférence de développement et la préférence tissulaire. L'invention concerne par ailleurs des plantes, des cellules de plantes, des tissus et des graines transformés.

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