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题名: Phosphate-limitation mediated lipid production by Rhodosporidium toruloides
作者: Wu, Siguo1, 3;  Hu, Cuimin1, 3;  Jin, Guojie1, 3;  Zhao, Xin1, 3;  Zhao, Zongbao K.1, 2
关键词: Microbial lipid ;  Phosphate limitation ;  Rhodosporidium toruloides ;  Biodiesel ;  Oleaginous yeast
刊名: BIORESOURCE TECHNOLOGY
发表日期: 2010-08-01
DOI: 10.1016/j.biortech.2010.02.111
卷: 101, 期:15, 页:6124-6129
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Technology
类目[WOS]: Agricultural Engineering ;  Biotechnology & Applied Microbiology ;  Energy & Fuels
研究领域[WOS]: Agriculture ;  Biotechnology & Applied Microbiology ;  Energy & Fuels
英文摘要: Nitrogen-limited conditions have been routinely prepared for efficient lipid production by oleaginous microorganisms. However, it is difficult to attain high cellular lipid contents with natural nitrogen-rich substrates. In the present study, we showed that lipid accumulation by Rhodosporidium toruloides Y4 was directly linked to the carbon to phosphorus (C/P) molar ratios of the culture media. Moreover, such lipid accumulation phenomena were effective regardless of the presence of high amounts of nitrogen sources. Thus, cellular lipid content and lipid yield were 62.2% and 0.205 g/g glucose, respectively, using a medium with a carbon to nitrogen (C/N) molar ratio of 6.1 and a C/P molar ratio of 9552. This work suggested that phosphorus limitation can be equally effective and efficient to mediate lipid accumulation, which in turn, provides opportunities to produce microbial lipid more economically using natural or waste materials with high nitrogen content. (C) 2010 Elsevier Ltd. All rights reserved.
关键词[WOS]: FATTY-ACID PRODUCTION ;  RHODOTORULA-GLUTINIS ;  BIODIESEL PRODUCTION ;  CUNNINGHAMELLA-ECHINULATA ;  ORGANIC NITROGEN ;  OLEAGINOUS MICROORGANISMS ;  PHOSPHORUS RECOVERY ;  DENSITY CULTIVATION ;  CONTINUOUS-CULTURE ;  BATCH CULTURE
语种: 英语
WOS记录号: WOS:000278035900053
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141974
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Wu, Siguo,Hu, Cuimin,Jin, Guojie,et al. Phosphate-limitation mediated lipid production by Rhodosporidium toruloides[J]. BIORESOURCE TECHNOLOGY,2010,101(15):6124-6129.
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