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学科主题: 物理化学
题名: Kinetics of continuous cultivation of the oleaginous yeast Rhodosporidium toruloides
作者: Shen, Hongwei1, 2;  Gong, Zhiwei2;  Yang, Xiaobing2;  Jin, Guojie2;  Bai, Fengwu1;  Zhao, Zongbao K.2, 3
通讯作者: 赵宗保 ;  白凤武
关键词: Continuous cultivation ;  Kinetics ;  Microbial lipid ;  Nutrition limitation ;  Rhodosporidium toruloides
刊名: JOURNAL OF BIOTECHNOLOGY
发表日期: 2013-10-10
DOI: 10.1016/j.jbiotec.2013.08.010
卷: 168, 期:1, 页:85-89
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: 18
项目归属: 1816
产权排名: 待补充
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine
类目[WOS]: Biotechnology & Applied Microbiology
资助者: 2,1
研究领域[WOS]: Biotechnology & Applied Microbiology
英文摘要: Microbial lipids are potential alternative feedstock for biofuel and oleochemical industries. The oleaginous yeast Rhodosporidium toruloides AS 2.1389 is an excellent lipid producer. To attain parameters for the understanding of the lipid production process, we performed continuous cultivation experiments under either carbon or nitrogen limitation. The maintenance coefficient and maximum cell mass yield for this yeast were determined as 5.7 mg glucose/g cell/h and 0.42 g cell/g glucose, respectively, under carbon limitation. Under nitrogen limitation, the highest lipid yield of 0.19 g/g was observed at the dilution rate of 0.02 h-1 while the highest specific lipid formation rate of 0.058 g/g cell/h at the dilution rate of 0.08 h(-1). A kinetic model of lipid formation under steady state conditions was developed, parameters estimated, and optimal continuous cultivation conditions forecasted. These data should be very helpful to develop and design more efficient bioprocesses for microbial lipid production. (C) 2013 Elsevier B.V. All rights reserved.
关键词[WOS]: LIPID-ACCUMULATION ;  CONTINUOUS-CULTURE ;  MICROBIAL LIPIDS ;  BIODIESEL PRODUCTION ;  C/N RATIO ;  GROWTH ;  GLUCOSE ;  MICROORGANISMS ;  BACTERIA ;  BIOMASS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000325464300014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119229
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.Dalian Univ Technol, Sch Life Sci & Biotechnol, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Div Biotechnol, Dalian 116023, Peoples R China
3.Dalian Natl Lab Clean Energy, Div Biomass Convers & Bioenergy, Dalian 116023, Peoples R China

Recommended Citation:
Shen, Hongwei,Gong, Zhiwei,Yang, Xiaobing,et al. Kinetics of continuous cultivation of the oleaginous yeast Rhodosporidium toruloides[J]. JOURNAL OF BIOTECHNOLOGY,2013,168(1):85-89.
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