Blue light photoreceptors and methods of using the same
First Claim
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1. A substantially pure preparation of a nucleic acid specifying the sequence of a plant HY4 gene, said gene comprising all mutants, derivatives or homologs of SEQ ID #5 which retain the activity of modifying stem length in a plant.
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Abstract
The invention features a substantially pure preparation of a nucleic acid encoding a HY4 or a HY4-related gene. The invention further features transgenic plants encoding a HY4 gene having a shorter stem than substantially homozygous wild type nontransgenic plants; and, transgenic plants comprising complementary HY4 sequences having a longer stem than substantially homozygous wild type nontransgenic plants.
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34 Claims
- 1. A substantially pure preparation of a nucleic acid specifying the sequence of a plant HY4 gene, said gene comprising all mutants, derivatives or homologs of SEQ ID #5 which retain the activity of modifying stem length in a plant.
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2. A substantially pure preparation of a nucleic acid encoding a plant HY4 polypeptide, said polypeptide comprising all mutants, derivatives or homologs of SEQ ID #6 which retain the activity of modifying stem length in a plant.
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11. A transgenic plant, the cells of said plant comprising a substantially pure preparation of the nucleic acid of SEQ ID NO:
- 5, or any mutants, derivatives or homologs thereof which retain the activity of modifying stem length in said plant.
- View Dependent Claims (12, 13, 14, 15, 16)
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17. A method of generating a transgenic plant having a substantially pure preparation of the nucleic acid of SEQ ID NO:
- 5, said plant comprising a shorter stem than an otherwise substantially homozygous wild type plant, comprising introducing into cells of said transgenic plant the nucleic acid of SEQ ID NO;
5, or any mutants, derivatives or homologs thereof which retain the activity of modifying stem length in said plant.
- 5, said plant comprising a shorter stem than an otherwise substantially homozygous wild type plant, comprising introducing into cells of said transgenic plant the nucleic acid of SEQ ID NO;
- 18. A substantially pure preparation of a nucleic acid complementary to a portion of the plant HY4 gene of SEQ ID #5, or any mutants, derivatives or homologs thereof which retain the activity of modifying stem length in a plant, wherein said nucleic acid is capable of inhibiting expression of said HY4 gene when introduced into cells comprising said HY4 gene.
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19. A substantially pure preparation of a nucleic acid complementary to the plant HY4 gene of SEQ ID #5, or any mutants, derivatives or homologs thereof which retain the activity of modifying stem length in a plant, wherein said nucleic acid is capable of inhibiting expression of said HY4 gene when introduced into cells comprising said HY4 gene.
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25. A transgenic plant, the cells of said plant comprising a recombinant transgene comprising a nucleic acid complementary to a plant HY4 gene, said HY4 gene being SEQ ID NO:
- 5, or any portion, mutants, derivatives or homologs thereof which retain the activity of modifying stem length in said plant.
- View Dependent Claims (27, 29, 31, 34)
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26. A transgenic plant, the cells of said plant comprising a recombinant transgene comprising a nucleic acid complementary to a HY4 gene, said HY4 gene being SEQ ID NO:
- 5, or any mutants, derivatives or homologs thereof which retain the activity of modifying stem length in said plant.
- View Dependent Claims (28, 30)
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32. A method of inhibiting expression of HY4 in a cell comprising introducing into said cell a recombinant transgene comprising a nucleic acid complementary to a plant HY4 gene, said HY4 gene being SEQ ID NO:
- 5, or any portion, mutants, derivatives or variants thereof which retain the activity modifying stem length in a plant.
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33. A method of generating a transgenic plant comprising a longer stem than an otherwise substantially homozygous wild type plant, comprising introducing into cells of said transgenic plant a recombinant transgene comprising a nucleic acid complementary to a plant HY4 gene, said HY4 gene being SEQ ID NO:
- 5, or any mutants, derivatives or homologs thereof which retain the activity of modifying stem length in said transgenic plant.
Specification