Schizochytrium PKS genes
First Claim
1. An isolated nucleic acid molecule comprising a nucleic acid sequence selected from the group consisting of:
- (a) a nucleic acid sequence encoding SEQ ID NO;
73, or a portion thereof comprising at least one functional domain of SEQ ID NO;
73;
(b) a nucleic acid sequence encoding an amino acid sequence that is at least 60% identical to the amino acid sequence of (a), wherein said nucleic acid sequence encodes a protein having the biological activity of at least one functional domain of SEQ ID NO;
73;
(c) a nucleic acid sequence that is fully complementary to the nucleic acid sequence of (a) or (b).
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Abstract
The present invention relates to compositions and methods for preparing poly-unsaturated long chain fatty acids in plants, plant parts and plant cells, such as leaves, roots, fruits and seeds. Nucleic acid sequences and constructs encoding PKS-like genes required for the poly-unsaturated long chain fatty acid production, including the genes responsible for eicosapentenoic acid production of Shewanella putrefaciens and novel genes associated with the production of docosahexenoic acid in Vibrio marinus are used to generate transgenic plants, plant parts and cells which contain and express one or more transgenes encoding one or more of the PKS-like genes associated with such long chain polyunsaturated fatty acid production. Expression of the PKS-like genes in the plant system permits the large scale production of poly-unsaturated long chain fatty acids such as eicosapentenoic acid and docosahexenoic acid for modification of the fatty acid profile of plants, plant parts and tissues. Manipulation of the fatty acid profiles allows for the production of commercial quantities of novel plant oils and products.
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Citations
36 Claims
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1. An isolated nucleic acid molecule comprising a nucleic acid sequence selected from the group consisting of:
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(a) a nucleic acid sequence encoding SEQ ID NO;
73, or a portion thereof comprising at least one functional domain of SEQ ID NO;
73;
(b) a nucleic acid sequence encoding an amino acid sequence that is at least 60% identical to the amino acid sequence of (a), wherein said nucleic acid sequence encodes a protein having the biological activity of at least one functional domain of SEQ ID NO;
73;
(c) a nucleic acid sequence that is fully complementary to the nucleic acid sequence of (a) or (b). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. An oligonucleotide probe comprising at least 50 nucleotides of SEQ ID NO:
- 76 or the complement thereof.
Specification