Morphology, growth, biochemical composition and photosynthetic performance of Chlorella vulgaris (Trebouxiophyceae) under low and high nitrogen supplies

doi:10.1016/j.algal.2016.04.008

GIEC OpenIR > 中国科学院广州能源研究所

	Morphology, growth, biochemical composition and photosynthetic performance of Chlorella vulgaris (Trebouxiophyceae) under low and high nitrogen supplies
	Li, Tao 1,2; Xu, Jin 1,3; Gao, Baoyan 1; Xiang, Wenzhou 2; Li, Aifen 1; Zhang, Chengwu 1
	2016-06-01
发表期刊	ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
卷号	16 页码:481-491
摘要	Storage triacylglycerol accumulated by oleaginous microalgae have been utilized as optimal feedstock for biodiesel production. Nitrogen limitation is one of the most effective approaches in inducing oil accumulation in microalgae. However, the mechanism underlying this process is not well established. The aim of the present study was to determine changes in morphology, growth, biochemical composition, and photosynthetic performance of Chlorella vulgaris JNU13 under low nitrogen supply (LN, 3.5 mM) and high nitrogen supply (HN, 17.6 mM). The results showed that LN repressed cell division and cell weight gain. C. vulgaris under HN showed higher lipid levels compared to those subjected to LN. LN showed a decrease in photosynthetic capacity [relative electron transport rate (rETR), photosynthetic oxygen evolution rate (P-n), and utilization efficiency of light energy (alpha)], ratio of PS I to PS II, dark respiration rate (R-d), and the proportion of z-scheme electron transport pathway. Inversely, LN increased the proportion of the alternative electron transport pathway and non-photochemical quenching (NPQ). The damaged photosystems during limited nitrogen conditions negatively affected lipid accumulation in oleaginous C. vulgaris JNU13. It is therefore essential to maintain a balance between low nitrogen stress and high photosynthetic capacity by regulating the initial nitrogen supply to maximize lipid yield. The results of the present study may be used as a reference for regulating the initial nitrogen supply to enhance oil productivity. (C) 2016 Published by Elsevier B.V.
文章类型	Article
关键词	Chlorella Vulgaris Initial Nitrogen Supply Biochemical Composition Lipids Yield Photosynthetic Performance Electrons Transport Pathway
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
DOI	10.1016/j.algal.2016.04.008
研究领域[WOS]	Biotechnology & Applied Microbiology
关键词[WOS]	CHLAMYDOMONAS-REINHARDTII ; BIOFUEL PRODUCTION ; ENERGY-BALANCE ; MICROALGAE ; BIOMASS ; ACCUMULATION ; OIL ; PHYTOPLANKTON ; PRODUCTIVITY ; FLUORESCENCE
收录类别	SCI
语种	英语
WOS类目	Biotechnology & Applied Microbiology
WOS记录号	WOS:000375610000054
引用统计	被引频次：57[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/344007/11384
专题	中国科学院广州能源研究所
作者单位	1.Jinan Univ, Inst Hydrobiol, Guangzhou 510632, Guangdong, Peoples R China 2.Chinese Acad Sci, South China Sea Inst Oceanol, Guangdong Key Lab Marine Mat Med LMMM GD, CAS Key Lab Trop Marine Bioresources & Ecol LMB C, Guangzhou 510301, Guangdong, Peoples R China 3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Li, Tao,Xu, Jin,Gao, Baoyan,et al. Morphology, growth, biochemical composition and photosynthetic performance of Chlorella vulgaris (Trebouxiophyceae) under low and high nitrogen supplies[J]. ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS,2016,16:481-491.
APA	Li, Tao,Xu, Jin,Gao, Baoyan,Xiang, Wenzhou,Li, Aifen,&Zhang, Chengwu.(2016).Morphology, growth, biochemical composition and photosynthetic performance of Chlorella vulgaris (Trebouxiophyceae) under low and high nitrogen supplies.ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS,16,481-491.
MLA	Li, Tao,et al."Morphology, growth, biochemical composition and photosynthetic performance of Chlorella vulgaris (Trebouxiophyceae) under low and high nitrogen supplies".ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS 16(2016):481-491.