量研学術機関リポジトリ「QST-Repository」は、国立研究開発法人 量子科学技術研究開発機構に所属する職員等が生み出した学術成果（学会誌発表論文、学会発表、研究開発報告書、特許等）を集積しインターネット上で広く公開するサービスです。 Welcome to QST-Repository where we accumulates and discloses the academic research results(Journal Publications, Conference presentation, Research and Development Report, Patent, etc.) of the members of National Institutes for Quantum Science and Technology.
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Biofuel production by microalgae, is attracting attention as a candidate for next-generation energy, because it does not compete with food production. We have been trying heavy ion beam irradiation to create useful mutant strains that are more suitable for oil production. Here, we focused on cerulenin, which is known as inhibitor of fatty acid synthesis, to get fatty acid and alkenone synthesis enhanced mutants. We picked up mutants as following 3 groups, 1) top 10% mutants with high lipid fluorescence intensity after 4-week cultivation, 2) top 10% mutants with large increase in lipid fluorescence intensity between culture after 1 week and 4 weeks, 3) top 10% mutants with high chlorophyll fluorescence intensity and high optical density after 3-week cultivation.
Mutagenesis of the oil-producing algae by heavy ion Irradiation
