Dof (dna binding with one finger) sequences and methods of use

Details Dof (dna binding with one finger) sequences and methods of use Dof (dna binding with one finger) sequences and methods of use

C - Chemistry, Metallurgy

12

N

C12N 15/82 (2006.01) C07K 14/415 (2006.01)

Patent

CA 2629521

Methods and compositions are provided to improve nitrogen use efficiency in plants or plant parts, increase carbon fixation in a plant or plant part, increase grain yield or biomass production of the plant, and/or increase the stress tolerance of the plant. The compositions and methods of the invention modulate these various phenotypes by modulating the level of at least one Dof (for DNA binding with one finger) polypeptide having a Dof domain or a biologically active variant or fragment of a Dof domain.

L'invention porte sur des méthodes et sur des compositions permettant d'améliorer l'efficacité d'utilisation de l'azote dans des plantes ou dans des parties de plante, d'augmenter la fixation du carbone dans une plante ou une partie de plante, d'augmenter le rendement des graines ou la production de biomasse de la plante et/ou d'augmenter la résistance au stress de la plante. Les compositions et les méthodes de cette invention modulent ces divers phénotypes par modulation du niveau d'au moins un polypeptide Dof (pour la liaison à l'ADN à un doigt) possédant un domaine Dof ou un variant biologiquement actif ou un fragment d'un domaine Dof.

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