Cells expressing Pichia cytochrome C
First Claim
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1. A recombinant yeast cell comprising a recombinant expression cassette that expresses a gene encoding a cytochrome C polypeptide, wherein the cytochrome C polypeptide has at least 95% identity to SEQ ID NO. 2.
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Abstract
Described herein are recombinant yeast cells that express a cytochrome C gene the expression of which causes the recombinant yeast cells to (i) grow faster than wild type yeast cells of the same species when cultured on glucose medium, and (ii) accumulate high levels of polyunsaturated fatty acid precursor molecules or target gene expression products when grown on oleic acid.
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18 Claims
- 1. A recombinant yeast cell comprising a recombinant expression cassette that expresses a gene encoding a cytochrome C polypeptide, wherein the cytochrome C polypeptide has at least 95% identity to SEQ ID NO. 2.
- 11. A method for producing a polyunsaturated fatty acid molecule in a recombinant yeast cell, comprising growing a recombinant yeast cell comprising a recombinant expression cassette that expresses a gene encoding a cytochrome C polypeptide, wherein the cytochrome C polypeptide has at least 95% identity to SEQ ID NO. 2, under conditions wherein a polyunsaturated fatty acid is produced.
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15. A method of producing an isolated cytochrome C polypeptide comprising:
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a) culturing a recombinant yeast cell comprising a recombinant expression cassette that expresses a gene encoding a cytochrome C polypeptide, wherein the cytochrome C polypeptide has at least 95% identity to SEQ ID NO. 2, under conditions wherein the yeast cell expresses the cytochrome C polypeptide, and b) isolating the cytochrome C polypeptide, thereby producing an isolated cytochrome C polypeptide. - View Dependent Claims (16, 17, 18)
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Specification