| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Outline of Final Research Achievements |
Biodiesel, one of next generation fuels, is mainly produced by transesterification of edible vegetable oils. The usage of edible oils as a biodiesel feedstock is often controversial because of the competition with food production. Therefore, we noted the oleaginous yeast Lipomyces starkeyi, which can convert non-edible biomass-derived carbohydrates to lipid. L. starkeyi is an excellent lipid producer that is able to accumulate up to 70% of its biomass as triacylglycerols. However, there are issues of lipid productivity for commercial applications.
In this study, we obtained of L. starkeyi mutants accumulating a high level of lipid. We extracted genes related to lipid biosynthesis by comparing gene expression profiles in the wild-type and mutants. The high-level expression of those extracted genes in the wild -type showed the high-level lipid production.
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