| abstract |
Provided is a lipid-producing microorganism capable of efficiently producing EPA. SOLUTION: A microorganism having the ability to produce ω9 polyunsaturated fatty acids or a microorganism containing a high content of arachidonic acid in a fatty acid composition, an exogenous Δ17 desaturase gene, an exogenous Δ5 desaturase gene, and A mutant microorganism into which any one or more selected from an exogenous Δ12 desaturase gene has been introduced, wherein the content of eicosapentaenoic acid in the fatty acid composition after culturing at 20 ° C. or higher for 10 days is 20% or higher. Mutant microorganism that is. [Selection figure] None |