Ketoacyl ACP synthase genes and uses thereof
First Claim
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1. A recombinant polynucleotide or a complement thereof encoding a polypeptide having at least 94% sequence identity to amino acids 34 to 502 of SEQ ID NO:
- 8 or 92% sequence identity to amino acids 34 to 525 of SEQ ID NO;
14 wherein said polypeptide has β
-keto-acyl ACP synthase (KASIV) activity.
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Abstract
The present invention relates to beta-ketoacyl ACP synthase genes of the KASI/KASIV type and proteins encoded by these genes. The genes can be included in nucleic acid constructs, vectors or host cells. Expression of the gene products can alter the fatty acid profile of host cells. The KAS genes can be combined with a FATA or FATB thioesterase gene to create a cell that produces an increased amount of C8-C16 fatty acids. Suitable host cells include plastidic cells of plants or microalgae. Oleaginous microalga host cells with the new genes are disclosed.
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25 Claims
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1. A recombinant polynucleotide or a complement thereof encoding a polypeptide having at least 94% sequence identity to amino acids 34 to 502 of SEQ ID NO:
- 8 or 92% sequence identity to amino acids 34 to 525 of SEQ ID NO;
14 wherein said polypeptide has β
-keto-acyl ACP synthase (KASIV) activity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 21, 22, 23, 24, 25)
- 8 or 92% sequence identity to amino acids 34 to 525 of SEQ ID NO;
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11. A host cell comprising
a recombinant polynucleotide or a complement thereof encoding a polypeptide having at least 94% sequence identity to amino acids 34 to 502 of SEQ ID NO: - 8 or 92% sequence identity to amino acids 34 to 525 of SEQ ID NO;
14 wherein said polypeptide has β
-keto-acyl ACP synthase (KASIV) activity. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
- 8 or 92% sequence identity to amino acids 34 to 525 of SEQ ID NO;
Specification