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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
Source PublicationBIORESOURCE TECHNOLOGY
Volume198Pages:165-171
AbstractThe 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.
SubtypeArticle
KeywordChlorella Sp. Nitrogen Depletion Phosphorus Uptake Starch Fatty Acids
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2015.08.142
WOS Subject ExtendedAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS KeywordCHLAMYDOMONAS-REINHARDTII ; INORGANIC POLYPHOSPHATES ; SCENEDESMUS-OBLIQUUS ; OIL ACCUMULATION ; ZOFINGIENSIS ; CARBOHYDRATE ; MICROALGAE ; STARVATION ; BIODIESEL ; GROWTH
Indexed BySCI
Language英语
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000363487500022
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10882
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
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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