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题名: Compositional profiles of Rhodosporidium toruloides cells under nutrient limitation
作者: Shen, Hongwei1, 2;  Zhang, Xibin1;  Gong, Zhiwei3;  Wang, Yanan1;  Yu, Xue1;  Yang, Xiaobing1;  Zhao, Zongbao K.1
关键词: Compositional profile ;  Continuous cultivation ;  Microbial lipid ;  Nutrient limitation ;  Rhodosporidium toruloides
刊名: APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
发表日期: 2017-05-01
DOI: 10.1007/s00253-017-8157-0
卷: 101, 期:9, 页:3801-3809
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine
类目[WOS]: Biotechnology & Applied Microbiology
研究领域[WOS]: Biotechnology & Applied Microbiology
英文摘要: Lipid production by the red yeast Rhodosporidium toruloides was explored under nutrient limitation. To determine the compositional profiles of R. toruloides cells, samples were prepared using a continuous cultivation process under nutrient limitation and analyzed via several methods, including Fourier transform infrared spectroscopy and elemental analysis. Under nitrogen limitation, as the dilution rate increased, the cellular lipid content decreased but the carbohydrate and protein contents increased. Under carbon limitation, the cellular lipid, protein, and carbohydrate contents remained relatively constant at the different dilution rates. Moreover, the cellular elemental composition was essentially identical under nitrogen and carbon limitation at a high dilution rate of 0.20 h(-1). We also analyzed the consumed carbon to nitrogen (C/N) under different nutrition conditions. The results indicated that the consumed C/N had a major influence on cell metabolism and product formation, which contributed to our understanding of the physiological characteristics of R. toruloides.
关键词[WOS]: STAGE CONTINUOUS-CULTURE ;  LIPID-ACCUMULATION ;  SACCHAROMYCES-CEREVISIAE ;  BIODIESEL PRODUCTION ;  DENSITY CULTIVATION ;  FTIR-SPECTROSCOPY ;  CARBON SOURCE ;  GROWTH-RATE ;  GLUCOSE ;  BIOMASS
语种: 英语
WOS记录号: WOS:000399705800024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152016
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, Div Biotechnol, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.State Key Lab Motor Vehicle Biofuel Technol, Nanyang 437000, Peoples R China
3.Wuhan Univ Sci & Technol, Coll Chem & Chem Engn, Wuhan 430081, Peoples R China

Recommended Citation:
Shen, Hongwei,Zhang, Xibin,Gong, Zhiwei,et al. Compositional profiles of Rhodosporidium toruloides cells under nutrient limitation[J]. APPLIED MICROBIOLOGY AND BIOTECHNOLOGY,2017,101(9):3801-3809.
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