Claims
- 1. A method of producing a transgenic plant, comprising introducing into a plant cell a compound that increases prenyl protease expression or activity to generate a transgenic cell; and regenerating a transgenic plant from said transgenic cell.
- 2. The method of claim 1, wherein said plant has an altered phenotype selected from the group consisting of increased tolerance to stress, delayed senescence, increased ABA sensitivity, increased yield, increased productivity and increased biomass compared to a wild type plant.
- 3. The method of claim 1, wherein said compound comprises a nucleic acid sequence encoding prenyl protease.
- 4. The method of claim 3, wherein said nucleic acid comprises SEQ ID NO: 1, 14, 17, 68, 70, 72, 74, 21, 23, 25, 27, 29, 31, or 33.
- 5. The method of claim 3, wherein said nucleic acid is operably linked to a promotor.
- 6. The method of claim 5, wherein said promoter is selected from the group consisting of a constitutive promoter, an ABA inducible promoter, tissue specific promoters or a guard cell-specific promoter
- 7. The method of claim 1, wherein said compound is a prenyl protease polypeptide or fragment thereof.
- 8. The method of claim 7, wherein said prenyl protease polypeptide comprises the amino acid sequence of SEQ ID NO: 2, 15, 18, 22, 24, 26, 28, 30, 32, 34, 69, 71, 73, or 75.
- 9. The transgenic plant produced by claim 1.
- 10. The seed produced by the transgenic plant of claim 9, wherein said seed produces a plant that has an altered phenotype selected from the group consisting of increased tolerance to stress, delayed senescence, increased ABA sensitivity, increased yield, increased productivity and increased biomass compared to a wild type plant.
- 11. A method of producing a transgenic plant, comprising introducing into a plant cell a nucleic acid that inhibits prenyl protease expression or activity to generate a transgenic cell; and regenerating a transgenic plant from said transgenic cell.
- 12. The method of claim 11, wherein said plant has an altered phenotype selected from the group consisting of increased tolerance to stress, delayed senescence, increased ABA sensitivity, increased yield, increased productivity and increased biomass compared to a wild type plant.
- 13. The method of claim 11, wherein said nucleic acid comprises an antisense nucleic acid sequence encoding prenyl protease.
- 14. The method of claim 13, wherein said antisense nucleic acid comprises 20 or more consecutive nucleic acids complementary to SEQ ID NO: 1, 14, 17, 21, 23, 25, 27, 29, 31, 33, 68, 70, 72, or 74.
- 15. The method of claim 13, wherein said antisense nucleic acid comprises SEQ ID NO: 16, 19, 20, 5, 35, 37, 38, 42, 43, 45, 46, 48, 49, 51, or 52.
- 16 The method of claim 11, wherein said nucleic acid is operably linked to a promotor.
- 17. The method of claim 16, wherein said promoter is selected from the group consisting of a constitutive promoter, an ABA inducible promoter, tissue specific promoters or a guard cell-specific promoter
- 18. The method of claim 11, wherein the nucleic acid is an inhibitor of farnesylation.
- 19 The transgenic plant produced by any one of the methods of claims 11.
- 20. The seed produced by the transgenic plant of claim 19, wherein said seed produces a plant that has an altered phenotype selected from the group consisting of increased tolerance to stress, delayed senescence, increased ABA sensitivity, increased yield, increased productivity and increased biomass compared to a wild type plant.
- 21. A method of producing a transgenic plant, comprising introducing into a plant cell a nucleic acid selected from the group consisting of SEQ ID NO: 16, 19, 20, 5, 35, 37, 38, 42, 43, 45, 46, 48, 49, 51, and 52 to generate a transgenic cell; and regenerating a transgenic plant from said transgenic cell.
- 22. An isolated polypeptide comprising the mature form of an amino acid sequenced selected from the group consisting of SEQ ID NO: 2, 15, 18, 69, 71, 73 and 75.
- 23 An isolated polypeptide comprising an amino acid sequence selected from the group consisting of SEQ ID NO: 2, 15, 18, 69, 71, 73 and 75.
- 24. An isolated polypeptide comprising an amino acid sequence which is at least 96% identical to an amino acid sequence selected from the group consisting of SEQ ID NO: 15
- 25. An isolated polypeptide comprising an amino acid sequence which is at least 99% identical to an amino acid sequence selected from the group consisting of SEQ ID NO: 2, 15, 18
- 26 The polypeptide of claim 24, wherein said polypeptide has prenyl pretease activity.
- 27 An isolated polypeptide, wherein the polypeptide comprises an amino acid sequence comprising one or more conservative substitutions in the amino acid sequence selected from the group consisting of SEQ ID NO: 2, 15, and 18.
- 28. The polypeptide of claim 23, wherein said polypeptide is naturally occurring.
- 29. An isolated nucleic acid molecule comprising a nucleic acid sequence selected from the group consisting of SEQ ID NO: 1, 14, 17, 20, 16, 19, 68, 70, 72, and 74.
- 30. The nucleic acid molecule of claim 29, wherein the nucleic acid molecule is naturally occurring.
- 31. An isolated nucleic acid molecule encoding the mature form of a polypeptide having an amino acid sequence selected from the group consisting of SEQ ID NO: SEQ ID NO: 2, 15, and 18.
- 32. An isolated nucleic acid molecule, wherein said nucleic acid molecule hybridizes under stringent conditions to the nucleotide sequence selected from the group consisting of SEQ ID NO: 1, 14, 17, 20, 16, 19, 68, 70, 72, and 74.
- 33. An isolated nucleic acid molecule comprising a nucleotide sequence which is at least 94% identical to the nucleotide sequence selected from the group consisting of SEQ ID NO: 17, 18 and 19.
- 34. An isolated nucleic acid molecule comprising a nucleotide sequence which is at least 99% identical to the nucleotide sequence selected from the group consisting of SEQ ID NO: 1, 14, 17, 20, 16, 19.
- 35. A vector comprising the nucleic acid molecule of claim 29.
- 36. The vector of claim 35, further comprising a promoter operably linked to said nucleic acid molecule.
- 37. A cell comprising the vector of claim 36.
- 38. An antibody that immunospecifically binds to the polypeptide of claim 22.
- 39. The antibody of claim 38, wherein the antibody is a monoclonal antibody.
- 40. The antibody of claim 37, wherein the antibody is a polyclonal antibody.
- 41. A method of identifying an agent that binds to the polypeptide of claim 27, the method comprising:
(a) introducing said polypeptide to said agent; and (b) determining whether said agent binds to said polypeptide.
- 42. The method of claim 41, wherein the agent is a farnesylation inhibitor.
- 43. A method for identifying farnesylation modulator, the method comprising:
(a) providing a cell expressing the polypeptide of claim 22;(b) contacting the cell with a candidate substance; and (c) determining whether the substance alters farnesylation activity; whereby, if an alteration observed in the presence of the substance is not observed when the cell is contacted with a composition in the absence of the substance, the substance is identified as a farnesylation modulator.
- 44. A method for identifying an interacting gene of prenyl protease, the method comprising:
a) providing the transgenic plant of claim 1;b) creating a library of mutagenized plants from (a); c) determining whether the mutagenized plant contains an altered phenotype; whereby, the mutagenized plant has altered the function of an interacting gene of prenyl protease which results in an altered phenotype from the transgenic plant of (a) to that of a wild type non-transgenic plant.
- 45. A plant, wherein a mutation has been introduced in the gene encoding prenyl protease, resulting in said plant displaying altered prenyl protease activity and an increased tolerance to stress as compared to a wild type plant.
RELATED APPLICATIONS
[0001] This application claims priority to U.S. S No. 60/309,396 filed Aug. 1, 2001 and U.S. S No. 60/337,084 filed Dec. 4, 2001 each of which are incorporated herein by reference in their entireties.
Provisional Applications (2)
|
Number |
Date |
Country |
|
60309396 |
Aug 2001 |
US |
|
60337084 |
Dec 2001 |
US |