发明名称 |
Fatty acid desaturases and mutant sequences thereof |
摘要 |
Seeds, plants and oils are provided having high oleic acid; low linoleic acid; and low linoleic acid plus linolenic acid; and advantageous functional or nutritional properties. Plants are disclosed that contain a mutation in a delta-12 or delta-15 fatty acid desaturase gene. Preferred plants are rapeseed and sunflower plants. Plants carrying such mutant genes have altered fatty acid composition in seeds. In one embodiment, a plant contains a mutation in a region having the conserved motif His-Xaa-Xaa-Xaa-His, found in delta-12 and delta-15 fatty acid desaturases. A preferred motif has the sequence His-Glu-Cys-Gly-His. A preferred mutation in this motif has the amino acid sequence His-Lys-Cys-Gly-His. Nucleic acid fragments are disclosed that comprise a mutant delta-12 or delta-15 fatty acid desaturase gene sequence.
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申请公布号 |
US2007163002(A1) |
申请公布日期 |
2007.07.12 |
申请号 |
US20040757909 |
申请日期 |
2004.01.15 |
申请人 |
DEBONTE LORIN R;FAN ZHEGONG;MIAO GUO-HUA |
发明人 |
DEBONTE LORIN R.;FAN ZHEGONG;MIAO GUO-HUA |
分类号 |
A01H5/00;C07C53/126;C07C57/02;C07C57/03;C07H21/04;C12N9/02;C12N9/04;C12N15/82 |
主分类号 |
A01H5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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