Genes for plant fatty acid modifying enzymes associated with conjugated double bond formation
First Claim
1. A method of improving the carcass quality of an animal by supplementing a diet of the animal with animal feed comprising an oil obtained from a seed, wherein the seed is obtained from a plant cell transformed with a chimeric gene comprising an isolated nucleic acid fragment or functionally equivalent subfragment thereof of operably linked to at least one regulatory sequence, further wherein said isolated nucleic acid fragment encodes a plant fatty acid modifying enzyme associated with conjugated double bond formation further wherein said fragment or a functionally equivalent subfragment thereof(a) hybridizes to the nucleotide sequence set forth in SEQ ID NO:
- 3 under conditions of moderate stringency;
or(b) encodes a polypeptide that has at least 45% sequence identity based on the Clustal method of alignment with a polypeptide set forth in SEQ ID NO;
4 or a functionally equivalent subfragment thereof.
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Abstract
The preparation and use of nucleic acid fragments encoding plant fatty acid modifying enzymes associated with conjugated double bond formation or functionally equivalent subfragments thereof are disclosed. Chimeric genes incorporating such nucleic acid fragments or functionally equivalent subfragments thereof or complement thereof and suitable regulatory sequences can be used to create transgenic plants having altered lipid profiles.
50 Citations
5 Claims
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1. A method of improving the carcass quality of an animal by supplementing a diet of the animal with animal feed comprising an oil obtained from a seed, wherein the seed is obtained from a plant cell transformed with a chimeric gene comprising an isolated nucleic acid fragment or functionally equivalent subfragment thereof of operably linked to at least one regulatory sequence, further wherein said isolated nucleic acid fragment encodes a plant fatty acid modifying enzyme associated with conjugated double bond formation further wherein said fragment or a functionally equivalent subfragment thereof
(a) hybridizes to the nucleotide sequence set forth in SEQ ID NO: - 3 under conditions of moderate stringency;
or(b) encodes a polypeptide that has at least 45% sequence identity based on the Clustal method of alignment with a polypeptide set forth in SEQ ID NO;
4 or a functionally equivalent subfragment thereof. - View Dependent Claims (2, 3)
- 3 under conditions of moderate stringency;
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4. A method of improving the carcass quality of an animal by supplementing a diet of the animal with animal feed comprising an oil obtained from a seed, wherein the seed is obtained from a plant cell transformed with a chimeric gene comprising an isolated nucleic acid fragment or functionally equivalent subfragment thereof or a complement of the isolated nucleic acid fragment or functionally equivalent subfragment operably linked to at least one regulatory sequence,
further wherein said isolated nucleic acid fragment encodes a plant fatty acid modifying enzyme associated with conjugated double bond formation further wherein said fragment or a functionally equivalent subfragment thereof (a) hybridizes to the nucleotide sequences set forth in SEQ ID NO: - 3 under conditions of moderate stringency, or
(b) encodes a polypeptide that has at least 45% sequence identity with a polypeptide as set forth in SEQ ID NO;
4 or a functionally equivalent subfragment thereof based on the Clustal method of alignment, and wherein the polypeptide is capable of catalyzing the production of at least one fatty acid selected from the group consisting of eleostearic acid and parinaric acid when expressed in a plant cell or yeast transformed with the isolated nucleic acid fragment and said fatty acids are not produced and/or accumulated in the untransformed plant cell or yeast. - View Dependent Claims (5)
- 3 under conditions of moderate stringency, or
Specification