Genes involved in brassinosteroid hormone action in plants
AssigneeThe Salk Institute for Biological Studies
InventorsJoanne Chory, Zhiyong Wang
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Abstract
The present invention provides a BZR1 gene and an altered gene, bzr1-D, involved in the brassinosteroid response pathway. The expression of BZR1 genes in transgenic plants causes such plants to become significantly larger and more robust than their wild-type counterparts, thus increasing plant yields.
Claims27
A method of producing a genetically modified plant having increased size as compared to a wild-type plant, comprising:
- contacting a plant cell with at least one nucleic acid sequence encoding a BZR1 protein, said nucleic acid sequence operably associated with a promoter, to obtain a transformed plant cell;
- producing a plant from said transformed plant cell;
- and
- selecting a plant exhibiting said increased size.
A genetically modified plant exhibiting increased size in comparison to a wildtype plant, wherein said genetically modified plant comprises at least one exogenous nucleic acid sequence encoding a BZR1 polypeptide, wherein said polypeptide comprises an amino acid sequence with at least 80% sequence homology to SEQ ID NO:
- 6.
A genetically modified seed, wherein said seed produces a plant exhibiting increased size in comparison to a wildtype plant, wherein said genetically modified seed comprises at least one exogenous nucleic acid sequence encoding a BZR1 polypeptide, wherein said polypeptide comprises an amino acid sequence with at least 80% sequence homology to SEQ ID NO:
- 6.
A substantially purified bzr1-D polypeptide having the amino acid sequence of SEQ ID NO:
- 7.
A nucleic acid comprising a nucleotide sequence encoding a bzr1-D polypeptide having the amino acid sequence of SEQ ID NO:
- 7.
Dependencies are inferred from the claim text.