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Regulation and remodeling of intermediate metabolite and membrane lipid during NaCl-induced stress in freshwater microalgaMicractiniumsp. XJ-2 for biofuel production

文献类型：期刊论文

作者Yang, Haijian; Hu, Chunxiang
刊名BIOTECHNOLOGY AND BIOENGINEERING
出版日期2020-08-14
页码12
ISSN号0006-3592
关键词carbon partitioning membrane lipid microalgae NaCl stress triacylglycerol
DOI10.1002/bit.27528
通讯作者Hu, Chunxiang(cxhu@ihb.ac.cn)
英文摘要Microalgae can accumulate a large fraction of reduced carbon as lipids under NaCl stress. This study investigated the mechanism of carbon allocation and reduction and triacylglycerol (TAG) accumulation in microalgae under NaCl-induced stress.Micractiniumsp. XJ-2 was exposed to NaCl stress and cells were subjected to physiological, biochemical, and metabolic analyses to elucidate the stress-responsive mechanism. Lipid increased with NaCl concentration after 0-12 hr, then stabilized after 12-48 hr, and finally decreased after 48-72 hr, whereas TAG increased (0-48 hr) and then decreased (48-72 hr). Under NaCl-induced stress at lower concentrations, TAG accumulation, at first, mainly shown to rely on the carbon fixation through photosynthetic fixation, carbohydrate degradation, and membrane lipids remodeling. Moreover, carbon compounds generated by the degradation of some amino acids were reallocated and enhanced fatty acid synthesis. The remodeling of the membrane lipids of NaCl-induced microalgae relied on the following processes: (a) Increase in the amount of phospholipids and reduction in the amount of glycolipids and (b) extension of long-chain fatty acids. This study enhances our understanding of TAG production under NaCl stress and thus will provide a theoretical basis for the industrial application of NaCl-induced in the microalgal biodiesel industry.
WOS关键词SALT-STRESS ; FATTY-ACID ; PHYSIOLOGICAL-RESPONSES ; NITROGEN STARVATION ; SALINITY STRESS ; ACETYL-COA ; ACCUMULATION ; CHLAMYDOMONAS ; MICROALGA ; GROWTH
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDA17010502] ; National Natural Science Foundation of China[31900237]
WOS研究方向Biotechnology & Applied Microbiology
语种英语
出版者WILEY
WOS记录号WOS:000559495900001
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.ihb.ac.cn/handle/342005/38697]  
专题水生生物研究所_藻类生物学及应用研究中心_期刊论文
通讯作者Hu, Chunxiang
作者单位Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
推荐引用方式
GB/T 7714		 Yang, Haijian,Hu, Chunxiang. Regulation and remodeling of intermediate metabolite and membrane lipid during NaCl-induced stress in freshwater microalgaMicractiniumsp. XJ-2 for biofuel production[J]. BIOTECHNOLOGY AND BIOENGINEERING,2020:12.
APA Yang, Haijian,&Hu, Chunxiang.(2020).Regulation and remodeling of intermediate metabolite and membrane lipid during NaCl-induced stress in freshwater microalgaMicractiniumsp. XJ-2 for biofuel production.BIOTECHNOLOGY AND BIOENGINEERING,12.
MLA Yang, Haijian,et al."Regulation and remodeling of intermediate metabolite and membrane lipid during NaCl-induced stress in freshwater microalgaMicractiniumsp. XJ-2 for biofuel production".BIOTECHNOLOGY AND BIOENGINEERING (2020):12.

入库方式： OAI收割

来源：水生生物研究所

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