Seed specific USP promoters for expressing genes in plants
View Patent ↗The present invention relates to the field of plant genetic engineering. More specifically, the present invention relates to seed specific gene expression. The present invention provides promoters capable of transcribing heterologous nucleic acid sequences in seeds, and methods of modifying, producing, and using the same.
1. An isolated nucleic acid molecule comprising a promoter operably linked to a second nucleic acid, wherein the promoter is selected from the group consisting of
(a) SEQ ID NO:9 or the complement thereof; and
(b) a fragment of SEQ ID NO:9 having promoter activity.
2. A transformed plant containing the nucleic acid molecule of claim 1 .
3. The transformed plant of claim 2 , wherein said second nucleic acid is a structural nucleic acid.
4. The transformed plant of claim 3 , wherein said structural nucleic acid encodes a protein selected from the group consisting of a seed storage protein, a fatty acid pathway enzyme, a tocopherol biosynthetic enzyme, an amino acid biosynthetic enzyme, a steroid pathway enzyme, and a starch branching enzyme.
5. The transformed plant of claim 3 , wherein said structural nucleic acid encodes a protein selected from the group consisting of anthranilate synthase, tryptophan decarboxylase, threonine deaminase and aspartate kinase.
6. The transformed plant of claim 4 , wherein said structural nucleic acid encodes a starch branching enzyme.
7. The transformed plant of claim 3 , wherein said structural nucleic acid is oriented to express an antisense RNA molecule.
8. The transformed plant of claim 3 , wherein said transformed plant is selected from the group consisting of canola, crambe, mustard, castor bean, sesame, cottonseed, linseed, maize, soybean, Arabidopsis phaseolus, peanut, alfalfa, wheat, rice, oat, sorghum, rapeseed, rye, tritordeum, millet, fescue, perennial ryegrass, sugarcane, cranberry, papaya, banana, safflower, oil palms, flax, muskmelon, apple, cucumber, dendrobium, gladiolus, chrysanthemum, liliacea, cotton, eucalyptus, sunflower, Brassica campestris, Brassica napus , turfgrass, sugarbeet, coffee, and dioscorea.
9. The transformed plant of claim 3 , wherein said transformed plant is soybean.
10. The transformed plant of claim 3 , wherein said structural nucleic acid is expressed in an organ specific manner.
11. The transformed plant of claim 10 , wherein said structural nucleic acid is expressed in a seed.
12. A method of producing a transformed plant comprising:
(a) providing the nucleic acid molecule of claim 1 ; and,
(b) transforming a plant with said nucleic acid molecule.
13. A method of obtaining a seed enhanced in a product of a structural nucleic acid comprising:
(a) growing a transformed plant containing the nucleic acid molecule of claim 1 , wherein said transformed plant produces said seed and said second nucleic acid is transcribed in said seed; and,
(b) isolating said seed from said transformed plant.
14. A cell containing the nucleic acid molecule of claim 1 .
15. The cell according to claim 14 , wherein said cell is selected from the group consisting of a bacterial cell, a mammalian cell, an insect cell, a plant cell and a fungal cell.
16. The cell according to claim 15 , wherein said cell is Agrobacterium tumefaciens.
17. A seed generated by a transformed plant containing the nucleic acid molecule of claim 1 , wherein the seed comprises the nucleic acid molecule of claim 1 .
18. A transformed soybean plant containing the nucleic acid molecule of claim 1 .
19. The transformed plant of claim 18 , wherein said second nucleic acid encodes a protein selected from the group consisting of a seed storage protein, a fatty acid pathway enzyme, a tocopherol biosynthetic enzyme, an amino acid biosynthetic enzyme, a steroid pathway enzyme, and a starch branching enzyme.
20. The transformed soybean plant of claim 18 , wherein said second nucleic acid encodes a protein selected from the group consisting of anthranilate synthase, tryptophan decarboxylase, threonine deaminase and aspartate kinase.
21. The transformed soybean plant of claim 18 , wherein said second nucleic acid encodes a starch branching enzyme.
22. The transformed soybean plant of claim 18 , wherein said second nucleic acid is oriented to express an antisense RNA molecule.
23. The isolated nucleic acid molecule of claim 1 , comprising SEQ ID NO:9.
24. The isolated nucleic acid molecule of claim 1 , comprising a fragment of SEQ ID NO:9 having promoter activity.