Patent ID: 8486671

Claim:
A fatty acid composition comprising polyunsaturated C18-fatty acids with at least two double bonds and polyunsaturated C20- and/or C22-fatty acids with at least two double bonds, wherein said fatty acid composition is prepared by a process comprising: (a) introducing and expressing in an organism at least one nucleic acid coding for a polypeptide having acyl-CoA:lysophospholipid-acyltransferase activity, (b) culturing and harvesting said organism, and (c) isolating a fatty acid composition from said organism, wherein the nucleic acid coding for a polypeptide having acyl-CoA:lysophospholipid-acyltransferase activity comprises a nucleotide sequence selected from the group consisting of: (i) the nucleotide sequence of SEQ ID NO: 1, (ii) a nucleotide sequence having at least 90% identity to the nucleotide sequence of SEQ ID NO: 1, (iii) a nucleotide sequence encoding the polypeptide sequence of SEQ ID NO: 2, and (iv) a nucleotide sequence encoding a polypeptide having at least 90% identity to the polypeptide sequence of SEQ ID NO: 2, and wherein the fatty acid composition comprises higher content of polyunsaturated C20- and/or C22-fatty acids as compared to a fatty acid composition isolated from a corresponding control organism without expressing said nucleic acid.