18-04-2013 дата публикации
Номер: US20130097733A1
The present invention relates to the recombinant manufacture of polyunsaturated fatty acids. Specifically, it relates to acyltransferase polypeptides, polynucleotides encoding said acyltransferases as well as vectors, host cells, non-human transgenic organisms containing said polynucletides. Moreover, the present invention contemplates methods for the manufacture of polyunsaturated fatty acids as well as oils obtained by such methods. 1. A polynucleotide comprising a nucleic acid sequence elected selected from the group consisting of:a) the nucleic acid sequence of SEQ ID NOs: 52, 1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34, 37, 40, 43, 46, 49, and 55;b) a nucleic acid sequence encoding the amino acid sequence of SEQ ID NO: 53, 2, 5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38, 41, 44, 47, 50, or 56;c) a nucleic acid sequence being at least 40% identical to the nucleic acid sequence of a) or b), wherein said nucleic acid sequence encodes a polypeptide having acyltransferase activity;d) a nucleic acid sequence encoding a polypeptide having acyltransferase activity and having an amino acid sequence which is at least 45% identical to the amino acid sequence of b); and ["i) hybridization in 50 mM Tris, pH 7.6, 6×SSC, 5× Denhardt's, 1.0% sodium dodecyl sulfate (SDS), 100 μg denaturated calf thymus DNA at 34° C. overnight and wash twice with 2×SSC, 0.5% SDS at room temperature for 15 min each, repeat twice with 0.2×SSC, 0.5% SDS at room temperature for 15 min each and then repeat twice with 0.2 SSC, 0.5% SDS at 50° C. for 15 min;", "ii) hybridization in 6×SSPE (Sodium chloride Sodium Phosphate-EDTA), 5× Denhardt's solution, 0.5% SDS, 100 μg denaturated calf thymus DNA at 34° C. overnight and wash twice with 2×SSC, 0.5% SDS at room temperature for 15 min each, repeat twice with 0.2×SSC, 0.5% SDS at room temperature for 15 min each and then repeat twice with 0.2 SSC, 0.5% SDS at 50° C. for 15 min;", "iii) hybridization in 20-30% formamide, 5×SSPE, 5× Denhardt's solution, 1% ...
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