Plant co2 sensors, nucleic acids encoding them, and methods...

Details Plant co2 sensors, nucleic acids encoding them, and methods... Plant co2 sensors, nucleic acids encoding them, and methods...

C - Chemistry, Metallurgy

12

N

C12N 15/09 (2006.01) C12N 15/29 (2006.01)

Patent

CA 2685425

The invention provides compositions and methods for manipulating the exchange of water and/or carbon dioxide (CO2) through plant stomata by controlling CO2 sensor genes. The invention provides compositions and methods for enhancing or optimizing biomass accumulation in a plant. The invention provides compositions and methods for for opening or closing a stomatal pore on a guard cell in the epidermis of a plant. The invention provides compositions and methods for increasing or decreasing oxygenation efficiency and/or carbon fixation in a guard cell in the epidermis of a plant by manipulating expression of a ribulose- 1,5-bisphosphate carboxylase/oxygenase. The invention provides promoters for regulating expression of a nucleic acid in a plant guard cell.

L'invention concerne des compositions et des procédés permettant de manipuler l'échange d'eau et/ou de dioxyde de carbone (CO2) via les stomates des plantes en contrôlant les gènes détecteurs de CO2. L'invention propose des compositions et des procédés pour améliorer ou optimiser l'accumulation d'une biomasse dans une plante. Elle propose des compositions et des procédés pour ouvrir ou fermer un pore de stomate sur une cellule de garde dans l'épiderme d'une plante. Ces compositions et procédés permettent d'augmenter ou de réduire l'efficacité de l'oxygénation et/ou la fixation du carbone dans une cellule de garde dans l'épiderme d'une plante en manipulant l'expression d'une ribulose- 1,5-bisphosphate carboxylase/oxygénase. L'invention propose des promoteurs pour réguler l'expression d'un acide nucléique dans une cellule de garde végétale.

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