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Metabolic changes of starch and lipid triggered by nitrogen starvation in the microalga Chlorella zofingiensis
Zhu, Shunni; Huang, Wei; Xu, Jin; Wang, Zhongming; Xu, Jingliang; Yuan, Zhenhong
2014
发表期刊BIORESOURCE TECHNOLOGY
卷号152页码:292-298
摘要The aim of this research was to study the metabolic changes of starch and lipid biosynthesis in the microalga Chlorella zofingiensis under nitrogen starvation in comparison to nitrogen abundant condition. C. zonfingiensis showed a rapid growth and kept stable chlorophyll content when grown in nitrogen-replete medium, while a severe inhibition of cell growth and a sharp degradation of chlorophyll occurred under nitrogen depletion. Nitrogen-replete C. zonfingiensis cells possessed basal levels of starch and lipid. Upon nitrogen starvation, both starch and lipid increased greatly within cells, but starch synthesis preceded lipid accumulation. After 2 days of stress condition, starch was partially degraded, possibly to support lipid synthesis. It was speculated that starch accumulation acted as a quick response to environmental stress, whereas lipid served as long-term energy storage. Additionally, C. zonfingiensis tends to lower the degree of unsaturation in response to nitrogen starvation which is desirable for biodiesel production. (C) 2013 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Chlorella Zofingiensis Nitrogen Starvation Starch Fatty Acids Biofuels
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2013.10.092
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]CHLAMYDOMONAS-REINHARDTII ; NUTRIENT LIMITATION ; OIL ACCUMULATION ; GENE-EXPRESSION ; OILSEED RAPE ; CULTIVATION ; STRAINS ; VULGARIS ; DEPRIVATION ; INHIBITION
收录类别SCI
语种英语
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000331460400040
引用统计
被引频次:56[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10692
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
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Zhu, Shunni,Huang, Wei,Xu, Jin,et al. Metabolic changes of starch and lipid triggered by nitrogen starvation in the microalga Chlorella zofingiensis[J]. BIORESOURCE TECHNOLOGY,2014,152:292-298.
APA Zhu, Shunni,Huang, Wei,Xu, Jin,Wang, Zhongming,Xu, Jingliang,&Yuan, Zhenhong.(2014).Metabolic changes of starch and lipid triggered by nitrogen starvation in the microalga Chlorella zofingiensis.BIORESOURCE TECHNOLOGY,152,292-298.
MLA Zhu, Shunni,et al."Metabolic changes of starch and lipid triggered by nitrogen starvation in the microalga Chlorella zofingiensis".BIORESOURCE TECHNOLOGY 152(2014):292-298.
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