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Claims for Patent: 8,952,217

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Summary for Patent: 8,952,217
Title:Process for decreasing verbascose in a plant by expression of a chloroplast-targeted fimD protein
Abstract: The present invention relates to a process for decreasing verbascose in a plant by expression of a chloroplast-targeted polypeptide which is a member of the fimD superfamily in a plant cell, plant, or a part thereof. The invention furthermore relates to a process for producing a plant cell, plant, or part thereof with a decrease in the amount of verbascose. Also provided are nucleic acid constructs and vectors useful for practicing the methods as well as plants, plant tissues, propagation materials and harvested materials thus obtained. Agricultural compositions comprising the plant materials thus obtained is also provided.
Inventor(s): Puzio; Piotr (Berlin, DE), Wendel; Birgit (Berlin, DE), Herold; Michael Manfred (Berlin, DE), Looser; Ralf (Berlin, DE), Blau; Astrid (Stahnsdorf, DE), Plesch; Gunnar (Potsdam, DE), Kamlage; Beate (Berlin, DE), Schauwecker; Florian (Berlin, DE)
Assignee: Metanomics GmbH (Berlin, DE)
Application Number:11/516,230
Patent Claims:1. A process for decreasing the amount of verbascose in a plant cell, plant, or part thereof, which comprises a) introducing into a chloroplast of a plant cell, plant, or a part thereof a nucleic acid comprising i) the nucleic acid sequence of SEQ ID NO: 71513; ii) a nucleic acid sequence encoding the amino acid sequence of SEQ ID NO: 71514; iii) a nucleic acid sequence encoding an amino acid sequence having at least 95% sequence identity to SEQ ID NO: 71514; or iv) a nucleic acid which hybridizes with the complement of the nucleic acid of (i) under high stringent hybridization conditions at about 0.2.times.SSC at 50.degree. C. to 65.degree. C.; b) introducing into a plant cell, plant, or a part thereof a nucleic acid operably linked to a polynucleotide encoding a transit peptide, wherein the nucleic acid comprises i) the nucleic acid sequence of SEQ ID NO: 71513; ii) a nucleic acid sequence encoding the amino acid sequence of SEQ ID NO: 71514; iii) a nucleic acid sequence encoding an amino acid sequence having at least 95% sequence identity to SEQ ID NO: 71514; or iv) a nucleic acid which hybridizes with the complement of the nucleic acid of (i) under high stringent hybridization conditions at about 0.2.times.SSC at 50.degree. C. to 65.degree. C.; or c) introducing into a plant cell, plant, or a part thereof a nucleic acid operably linked to a polynucleotide encoding a chloroplast localization sequence, wherein the nucleic acid comprises i) the nucleic acid sequence of SEQ ID NO: 71513; ii) a nucleic acid sequence encoding the amino acid sequence of SEQ ID NO: 71514; iii) a nucleic acid sequence encoding an amino acid sequence having at least 95% sequence identity to SEQ ID NO: 71514; or iv) a nucleic acid which hybridizes with the complement of the nucleic acid of (i) under high stringent hybridization conditions of about 0.2.times.SSC at 50.degree. C. to 65.degree. C.; wherein expression of the nucleic acid results in a decrease in the amount of verbascose relative to a corresponding control plant cell, plant, or part thereof.

2. The process of claim 1, wherein the transit peptide is derived from a protein selected from the group consisting of ribulose bisphosphate carboxylase/oxygenase, 5-enolpyruvyl-shikimate-3-phosphate synthase, acetolactate synthase, chloroplast ribosomal protein CS 17, Cs protein, ferredoxin, plastocyanin, ribulose bisphosphate carboxylase activase, tryptophan synthase, acyl carrier protein, plastid chaperonin-60, cytochrome c.sub.552, 22-kDA heat shock protein, 33-kDa Oxygen-evolving enhancer protein 1, ATP synthase .gamma. subunit, ATP synthase .delta. subunit, chlorophyll-a/b-binding proteinII-1, Oxygen-evolving enhancer protein 2, Oxygen-evolving enhancer protein 3, photosystem I: P21, photosystem I: P28, photosystem I: P30, photosystem I: P35, photosystem I: P37, glycerol-3-phosphate acyltransferases, chlorophyll a/b binding protein, CAB2 protein, hydroxymethyl-bilane synthase, pyruvate-orthophosphate dikinase, CAB3 protein, plastid ferritin, ferritin, early light-inducible protein, glutamate-1-semialdehyde aminotransferase, protochlorophyllide reductase, starch-granule-bound amylase synthase, light-harvesting chlorophyll a/b-binding protein of photosystem II, major pollen allergen Lol p 5a, plastid ClpB ATP-dependent protease, superoxide dismutase, ferredoxin NADP oxidoreductase, 28-kDa ribonucleoprotein, 31-kDa ribonucleoprotein, 33-kDa ribonucleoprotein, acetolactate synthase, ATP synthase CF.sub.0 subunit 1, ATP synthase CF.sub.0 subunit 2, ATP synthase CF.sub.0 subunit 3, ATP synthase CF.sub.0 subunit 4, cytochrome f, ADP-glucose pyrophosphorylase, glutamine synthase, glutamine synthase 2, carbonic anhydrase, GapA protein, heat-shock-protein hsp21, phosphate translocator, plastid ClpA ATP-dependent protease, plastid ribosomal protein CL24, plastid ribosomal protein CL9, plastid ribosomal protein PsCL18, plastid ribosomal protein PsCL25, DAHP synthase, starch phosphorylase, root acyl carrier protein II, betaine-aldehyde dehydrogenase, GapB protein, glutamine synthetase 2, phosphoribulokinase, nitrite reductase, ribosomal protein L12, ribosomal protein L13, ribosomal protein L21, ribosomal protein L35, ribosomal protein L40, triose phosphate-3-phosphoglyerate-phosphate translocator, ferredoxin-dependent glutamate synthase, glyceraldehyde-3-phosphate dehydrogenase, NADP-dependent malic enzyme, and NADP-malate dehydrogenase.

3. A process for producing a plant cell, plant or part thereof with a decrease in the amount of verbascose relative to a corresponding control plant cell, plant or part thereof, which comprises a) introducing into a chloroplast of a plant cell, plant, or a part thereof a nucleic acid comprising i) the nucleic acid sequence of SEQ ID NO: 71513; ii) a nucleic acid sequence encoding the amino acid sequence of SEQ ID NO: 71514; iii) a nucleic acid sequence encoding an amino acid sequence having at least 95% sequence identity to SEQ ID NO: 71514; or iv) a nucleic acid which hybridizes with the complement of the nucleic acid of (i) under high stringent hybridization conditions of about 0.2.times.SSC at 50.degree. C. to 65.degree. C.; b) introducing into a plant cell, plant, or a part thereof a nucleic acid comprising a nucleic acid operably linked to a polynucleotide encoding a transit peptide, wherein the nucleic acid comprises i) the nucleic acid sequence of SEQ ID NO: 71513; ii) a nucleic acid sequence encoding the amino acid sequence of SEQ ID NO: 71514; iii) a nucleic acid sequence encoding an amino acid sequence having at least 95% sequence identity to SEQ ID NO: 71514; or iv) a nucleic acid which hybridizes with the complement of the nucleic acid of (i) under high stringent hybridization conditions of about 0.2.times.SSC at 50.degree. C. to 65.degree. C.; or c) introducing into a plant cell, plant, or a part thereof a nucleic acid operably linked to a polynucleotide encoding a chloroplast localization sequence, wherein the nucleic acid comprises i) the nucleic acid sequence of SEQ ID NO: 71513; ii) a nucleic acid sequence encoding the amino acid sequence of SEQ ID NO: 71514; iii) a nucleic acid sequence encoding an amino acid sequence having at least 95% sequence identity to SEQ ID NO: 71514; or iv) a nucleic acid which hybridizes with the complement of the nucleic acid of (i) under high stringent hybridization conditions of about 0.2.times.SSC at 50.degree. C. to 65.degree. C.; wherein expression of the nucleic acid results in a decrease in the amount of verbascose relative to a corresponding control plant cell, plant or part thereof.

4. The process of claim 3, further comprising regenerating a plant from the plant cell.

5. An expression cassette comprising a promoter that functions in plants operably linked to a nucleic acid encoding a fusion protein, wherein the fusion protein comprises a chloroplast transit peptide and a polypeptide comprising i) an amino acid sequence having at least 95% sequence identity to the amino acid sequence of SEQ ID NO: 71514; ii) the amino acid sequence of SEQ ID NO: 71514; or iii) an amino acid sequence encoded by a nucleic acid molecule which hybridizes under high stringent hybridization conditions of about 0.2.times.SSC at 50.degree. C. to 65.degree. C. with the complement of a nucleic acid molecule comprising the sequence of SEQ ID NO: 71513; wherein the expression cassette when expressed in a plant cell, plant, or part thereof results in a decrease in the amount of verbascose relative to a corresponding control plant cell, plant, or part thereof.

6. The expression cassette of claim 5, wherein the polypeptide comprises an amino acid sequence having at least 95% sequence identity to the amino acid sequence of SEQ ID NO: 71514.

7. The expression cassette of claim 5, wherein the polypeptide comprises the amino acid sequence of SEQ ID NO: 71514.

8. A vector comprising the expression cassette of claim 5.

9. A plant cell, plant or part thereof comprising the expression cassette of claim 6.

10. A food or feed composition comprising the plant or part thereof of claim 9.

11. A transgenic plant or part thereof obtained by the method of claim 3.

12. A plant cell obtained by the method of claim 3.

13. A transgenic seed obtained from the plant of claim 9, wherein said transgenic seed comprises said expression cassette.

14. The process of claim 1, further comprising regenerating a plant from the plant cell.

15. A plant cell, plant or part thereof comprising the expression cassette of claim 5.

16. A food or feed composition comprising the plant or part thereof of claim 15.

17. A transgenic plant cell, plant, or part thereof obtained by the method of claim 2.

18. A plant cell, plant, or part thereof obtained by the method of claim 1.

19. A transgenic seed obtained from the plant of claim 15, wherein said transgenic seed comprises said expression cassette.

20. A process for producing a polypeptide in a plant cell, plant, or part thereof, comprising: (a) obtaining a plant cell, plant, or part thereof transformed stably or transiently with a nucleic acid molecule; and (b) producing a polypeptide encoded by said nucleic acid molecule in said plant cell, plant, or part thereof, wherein said polypeptide is expressed in, or targeted to, a chloroplast of said plant cell, plant, or part thereof, wherein said nucleic acid molecule is: (i) a nucleic acid molecule encoding a polypeptide comprising the amino acid sequence of SEQ ID NO: 71514; (ii) a nucleic acid molecule comprising the nucleic acid molecule of SEQ ID NO: 71513; (iii) a nucleic acid molecule encoding a polypeptide having at least 95% sequence identity to the amino acid sequence of SEQ ID NO: 71514; or (iv) a nucleic acid molecule which hybridizes with the complement of the nucleic acid molecule of (ii) under high stringent hybridization conditions of about 0.2.times.SSC at 50.degree. C. to 65.degree. C., and wherein expression of said nucleic acid molecule in said plant cell, plant, or part thereof confers a decrease in the amount of verbascose relative to a corresponding control plant cell, plant, or part thereof.

21. The process of claim 20, wherein said plant cell, plant, or part thereof is transformed stably or transiently with a nucleic acid construct comprising said nucleic acid molecule.

22. The process of claim 20, wherein said plant cell, plant, or part thereof is transformed stably or transiently with a vector comprising said nucleic acid molecule.

Details for Patent 8,952,217

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Genentech, Inc. ACTIVASE alteplase For Injection 103172 1987-11-13 ⤷  Sign up for a Free Trial 2025-10-14
Genentech, Inc. CATHFLO ACTIVASE alteplase For Injection 103172 2001-09-04 ⤷  Sign up for a Free Trial 2025-10-14
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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