期刊
BIORESOURCE TECHNOLOGY
卷 200, 期 -, 页码 861-866出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.11.014
关键词
Biomass; Galdieria sulphuraria; Glycogen; Lipid; Red algae
资金
- PRESTO
- CREST from JST
- JSPS [25870769, 24570114]
- Grants-in-Aid for Scientific Research [24570114, 16K07427, 25870769] Funding Source: KAKEN
The unicellular red alga Galdieria sulphuraria grows efficiently and produces a large amount of biomass in acidic conditions at high temperatures. It has great potential to produce biofuels and other beneficial compounds without becoming contaminated with other organisms. In G. sulphuraria, biomass measurements and glycogen and lipid analyses demonstrated that the amounts and compositions of glycogen and lipids differed when cells were grown under autotrophic, mixotrophic, and heterotrophic conditions. Maximum biomass production was obtained in the mixotrophic culture. High amounts of glycogen were obtained in the mixotrophic cultures, while the amounts of neutral lipids were similar between mixotrophic and heterotrophic cultures. The amounts of neutral lipids were highest in red algae, including thermophiles. Glycogen structure and fatty acids compositions largely depended on the growth conditions. (C) 2015 Published by Elsevier Ltd.
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