Claims
- 1. A method of producing a transgenic plant, wherein said plant has an increased tolerance to stress or delayed senescence compared to a wild type plant, comprising introducing into a plant cell a nucleic acid that inhibits farnesyl transferase alpha 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 nucleic acid comprises an antisense nucleic acid sequence encoding farnesyl transferase alpha.
- 3. The method of claim 2, wherein said antisense nucleic acid comprises 20 or more consecutive nucleic acids complementary to SEQ ID NO: 1, 6 or 31.
- 4. The method of claim 2, wherein said antisense nucleic acid comprises SEQ ID NO: 2, 3,29,or 32.
- 5. The method of claim 1, wherein said nucleic acid is selected from the group consisting of SEQ ID NO: 4, 40-46 or 47.
- 6. The method of claim 2, wherein said antisense nucleic acid is operably linked to a promotor.
- 7. The method of claim 6, 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
- 8. The method of claim 1, wherein the nucleic acid is an inhibitor of farnesylation or geranylgeranylation.
- 9. The method of claim 1, wherein said nucleic acid comprises a nucleic acid sequence encoding farnesyl transferase alpha.
- 10. The method of claim 9, wherein said nucleic acid comprises SEQ ID NO: 1, 6 or 31.
- 11. A method of producing a transgenic plant, wherein said plant has increased tolerance to stress or delayed senescence, comprising introducing into a plant cell a nucleic acid that inhibits the farnesyl transferase expression or activity to generate a transgenic cell, wherein said nucleic acid is a nucleic acid comprising an antisense nucleic acid sequence encoding farnesyl transferase alpha; and regenerating a transgenic plant from said transgenic cell.
- 12. The transgenic plant produced by any one of the methods of claims 1 or 11
- 13. The seed produced by the transgenic plant of claim 12, wherein said seed produces a plant that has increased tolerance to stress or delayed senescence.
- 14. An isolated polypeptide comprising the mature form of an amino acid sequenced selected from the group consisting of SEQ ID NO: 5, 7, 9, 33, 36 or 39.
- 15. An isolated polypeptide comprising an amino acid sequence selected from the group consisting of SEQ ID NO: 5, 7, 9, 33, 36 or 39.
- 16. An isolated polypeptide comprising an amino acid sequence which is at least 85% identical to an amino acid sequence selected from the group consisting of SEQ ID NO: 5, 7 or 9.
- 17. 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: 33, 36 or 39
- 18. The polypeptide of claim 15, wherein said polypeptide has farnesyl transferase activity.
- 19. 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: 5, 7, 9, 33, 36, or 39.
- 20. The polypeptide of claim 14, wherein said polypeptide is naturally occurring.
- 21. An isolated nucleic acid molecule comprising a nucleic acid sequence selected from the group consisting of SEQ ID NO: 1, 6, 8, 31, 34, or 37.
- 22. The nucleic acid molecule of claim 21, wherein the nucleic acid molecule is naturally occurring.
- 23. 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: 5, 7, 9, 33, 36, or 39.
- 24. 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: SEQ ID NO: 1, 6, 8, 31, 34, or 37.
- 25. An isolated nucleic acid molecule comprising a nucleotide sequence which is at least 90% identical to the nucleotide sequence selected from the group consisting of SEQ ID NO: 1, 6,or 8
- 26. 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: 31, 34 or 37
- 27. An isolated nucleic acid molecule comprising a nucleic acid sequence selected from the group consisting of SEQ ID NO: 2, 3, 29, 30, 32, 35 or 38.
- 28. An isolated nucleic acid molecule comprising a nucleotide sequence which is at least 90% identical to the nucleotide sequence selected from the group consisting of SEQ ID NO: 2, 3, 29 or 30.
- 29. 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: 32, 35 or 38.
- 30. An isolated nucleic acid molecule comprising a nucleic acid sequence selected from the group consisting of SEQ ID NO: 4, 40-58.
- 31. A vector comprising the nucleic acid molecule of claim 21.
- 32. The vector of claim 31, further comprising a promoter operably linked to said nucleic acid molecule.
- 33. A cell comprising the vector of claim 32.
- 34. A vector comprising the nucleic acid molecule of claim 27.
- 35. The vector of claim 34, further comprising a promoter operably linked to said nucleic acid molecule.
- 36. A cell comprising the vector of claim 34.
- 37. An antibody that immunospecifically binds to the polypeptide of claim 14.
- 38. The antibody of claim 37, wherein the antibody is a monoclonal antibody.
- 39. The antibody of claim 37, wherein the antibody is a polyclonal antibody.
- 40. A method of identifying an agent that binds to the polypeptide of claim 14, the method comprising:
(a) introducing said polypeptide to said agent; and (b) determining whether said agent binds to said polypeptide.
- 41. The method of claim 40, wherein the agent is a farnesyl transferase inhibitor.
- 42. A method for identifying farnesyl transferase modulator, the method comprising:
(a) providing a cell expressing the polypeptide of claim 14;(b) contacting the cell with a candidate substance; and (c) determining whether the substance alters farnesyl transferase 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 farnesyl transferase modulator.
- 43. A method for identifying an interacting gene of farnesyl transferase, the method comprising:
a) providing the transgenic plant of claim 12;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 farnesyl transferase which results in an altered phenotype from the transgenic plant of (a) to that of a wild type non-transgenic plant.
- 44. A plant, wherein a mutation has been introduced in the gene encoding farnesyl transferase, resulting in said plant displaying a decrease in farnesyl transferase activity and an increased tolerance to stress as compared to a wild type plant.
- 45. A method of producing a transgenic plant, wherein said plant has an increased tolerance to stress or delayed senescence compared to a wild type plant, comprising introducing into a plant cell a nucleic acid comprising the nucleic acid sequence of SEQ ID NO: 30, 35, 38 48-57 or 58 to generate a transgenic cell; and regenerating a transgenic plant from said transgenic cell.
- 46. A method of producing a transgenic plant, wherein said plant has an increased sensitivity to abscisic acid compared to a wild type plant, comprising introducing into a plant cell a nucleic acid comprising the nucleic acid sequence of SEQ ID NO: 30, 35, 38 48-57 or 58 to generate a transgenic cell; and regenerating a transgenic plant from said transgenic cell.
RELATED APPLICATIONS
[0001] This application claims priority to U.S. Ser. No. 60/294,766, filed May 31, 2001 and U.S. Ser. No. 60/348,909, filed Oct. 22, 2001 each of which are incorporated herein by reference in their entireties.
Provisional Applications (2)
|
Number |
Date |
Country |
|
60294766 |
May 2001 |
US |
|
60348909 |
Oct 2001 |
US |