Plants having improved growth characteristics under reduced nutrient availability and a method for making the same
AssigneeCropDesign N.V.
InventorAna Isabel Sanz Molinero
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Abstract
The present invention relates generally to the field of molecular biology and concerns a method for improving plant growth characteristics relative to wild type plants. More specifically, the present invention concerns a method for increasing yield in plants grown under reduced nutrient availability, relative to corresponding wild type plants, comprising modulating expression in a plant of a nucleic acid sequence encoding a class I homeodomain leucine zipper (HDZip) hox5 polypeptide or a homologue thereof.
Claims21
A method for increasing yield in plants grown under reduced nutrient availability relative to corresponding wild type plants, comprising modulating expression in a plant of a nucleic acid sequence encoding a class I homeodomain leucine zipper (HDZip) hox5 polypeptide or homologue thereof, and optionally selecting for plants having increased yield, wherein said class I HDZip hox5 polypeptide or homologue thereof comprises from N-terminal to C-terminal:
- (i) an acidic box;
- (ii) a class I homeodomain;
- and (iii) a leucine zipper with more than 5 heptads.
A method for increasing greenness index in plants grown under reduced nutrient availability relative to corresponding wild type plants, which method comprises introducing and expressing in a plant a nucleic acid sequence encoding a class HDZip hox5 polypeptide or a homologue thereof.
A method for the production of a transgenic plant having increased yield under reduced nutrient availability relative corresponding wild type plant, which method comprises:
- (i) introducing and expressing in a plant, plant part or plant cell a class I HDZip hox5 nucleic acid sequence;
- and
- (ii) cultivating the plant or plant cell under conditions promoting plant growth and development.
17-18. (canceled)
Dependencies are inferred from the claim text.