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Luxury uptake of phosphorus changes the accumulation of starch and lipid in Chlorella sp under nitrogen depletion
Zhu, Shunni; Wang, Yajie; Xu, Jin; Shang, Changhua; Wang, Zhongming; Xu, Jingliang; Yuan, Zhenhong
2015-12-01
发表期刊BIORESOURCE TECHNOLOGY
卷号198页码:165-171
摘要The aim of this research was to study the effect of phosphorus supply on starch and lipid production under nitrogen starvation using Chlorella sp. as a model. High phosphate level had marginal effect on cell density but increased biomass growth. Massive phosphorus was assimilated quickly and mainly stored in the form of polyphosphate. The algal cells ceased phosphorus uptake when intracellular phosphorus reached a certain level. 5 mM phosphate in the culture rendered a 16.7% decrease of starch synthesis and a 22.4% increase of lipid synthesis relative to low phosphate (0.17 mM). It is plausible that phosphate can regulate carbon partitioning between starch and lipid synthesis pathway by influencing ADP-glucose pyrophosphorylase activity. Moreover, high phosphate concentration enhanced the abundance of oleic acid, improving oil quality for biodiesel production. It is a promising cultivation strategy by integration of phosphorus removal from wastewater with biodiesel production for this alga. (C) 2015 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Chlorella Sp. Nitrogen Depletion Phosphorus Uptake Starch Fatty Acids
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2015.08.142
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]CHLAMYDOMONAS-REINHARDTII ; INORGANIC POLYPHOSPHATES ; SCENEDESMUS-OBLIQUUS ; OIL ACCUMULATION ; ZOFINGIENSIS ; CARBOHYDRATE ; MICROALGAE ; STARVATION ; BIODIESEL ; GROWTH
收录类别SCI
语种英语
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000363487500022
引用统计
被引频次:14[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/344007/10882
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
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Zhu, Shunni,Wang, Yajie,Xu, Jin,et al. Luxury uptake of phosphorus changes the accumulation of starch and lipid in Chlorella sp under nitrogen depletion[J]. BIORESOURCE TECHNOLOGY,2015,198:165-171.
APA Zhu, Shunni.,Wang, Yajie.,Xu, Jin.,Shang, Changhua.,Wang, Zhongming.,...&Yuan, Zhenhong.(2015).Luxury uptake of phosphorus changes the accumulation of starch and lipid in Chlorella sp under nitrogen depletion.BIORESOURCE TECHNOLOGY,198,165-171.
MLA Zhu, Shunni,et al."Luxury uptake of phosphorus changes the accumulation of starch and lipid in Chlorella sp under nitrogen depletion".BIORESOURCE TECHNOLOGY 198(2015):165-171.
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