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题名: Effects of biomass hydrolysis by-products on oleaginous yeast Rhodosporidium toruloides
作者: Hu, Cuimin1, 3;  Zhao, Xin1, 3;  Zhao, Jin1;  Wu, Siguo1, 3;  Zhao, Zongbao K.1, 2
通讯作者: 赵宗保
关键词: Rhodosporidium toruloides Y4 ;  Microbial lipid ;  Lignocellulose hydrolysate ;  Biomass ;  Inhibitor
刊名: BIORESOURCE TECHNOLOGY
发表日期: 2009-10-01
DOI: 10.1016/j.biortech.2009.04.041
卷: 100, 期:20, 页:4843-4847
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1816
产权排名: 1;1
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: Lignocellulosic biomass hydrolysis inevitably coproduces byproducts that may have various affects on downstream biotransformation. It is imperative to document the inhibitor tolerance ability of microbial strain in order to utilize biomass hydrolysate more effectively. To achieve better lipid production by Rhodosporidium toruloides Y4, we performed fermentation experiments in the presence of some representative inhibitors. We found that acetate, 5-hydroxymethylfurfural and syringaldehyde had slightly inhibitory effects; p-hydroxybenzaldehyde and vanillin were toxic at a concentration over 10 mM: and furfural and its derivatives furfuryl alcohol and furoic acid inhibited cell growth by 45% at around 1 mM. We further demonstrated that inhibition is generally additive, although strong synergistic inhibitions were also observed. Finally, lipid production afforded good results in the presence of six inhibitors at their respective concentrations usually found in biomass hydrolysates. Fatty acid compositional profile of lipid samples indicated that those inhibitors had little effects on lipid biosynthesis. Our work will be useful for optimization of biomass hydrolysis processes and lipid production using lignocellulosic materials. (C) 2009 Elsevier Ltd. All rights reserved.
关键词[WOS]: ETHANOLOGENIC ESCHERICHIA-COLI ;  SACCHAROMYCES-CEREVISIAE ;  FERMENTATION INHIBITORS ;  CANDIDA-GUILLIERMONDII ;  DEGRADATION-PRODUCTS ;  PICHIA-STIPITIS ;  BATCH CULTURE ;  CORN STOVER ;  ACETIC-ACID ;  LIGNOCELLULOSE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000268376100043
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102543
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:
Hu, Cuimin,Zhao, Xin,Zhao, Jin,et al. Effects of biomass hydrolysis by-products on oleaginous yeast Rhodosporidium toruloides[J]. BIORESOURCE TECHNOLOGY,2009,100(20):4843-4847.
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