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Effect of light intensity on physiological changes, carbon allocation and neutral lipid accumulation in oleaginous microalgae
He, Qiaoning1,2; Yang, Haijian1,2; Wu, Lei1,2; Hu, Chunxiang1; Hu, CX (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
2015-09-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume191Pages:219-228
AbstractChlorella sp. and Monoraphidium sp. were the potential microalgal species for lipid production. This study aimed to investigate different light intensities (40, 200, 400 lmol photon m(-2) s(-1)) on physiological changes, photosynthetic carbon partitioning and neutral lipid accumulation in both microalgae. Results suggested that under high light (HL, 400 lmol photon m (2) s (1)), chlorophyll degraded, protein and carbohydrate content decreased; more carbon allocated into lipid as well as most of intracellular space was occupied by lipid bodies. Moreover, with the lipid accumulation, Fv/Fm decreased and ROS scavenging enzyme increased. Membrane lipid reduced dramatic (29.73-37.97%) to format NL (71.66% of total lipid in Chlorella sp. L1 and 60.65% in Monoraphidium dybowskii Y2). The NL productivity under HL (51.36 and 49.71 mg L (1) d (1)) were more than 3 times of those under LL. Additionally, FAME profiles proved that the useful fatty acid components for biodiesel production were enhanced under HL. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordLight Intensity Microalgae Physiology Changes Carbon Allocation Neutral Lipid Accumulation
Department[He, Qiaoning ; Yang, Haijian ; Wu, Lei ; Hu, Chunxiang] Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China ; [He, Qiaoning ; Yang, Haijian ; Wu, Lei] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
DOI10.1016/j.biortech.2015.05.021
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
Indexed BySCI
Language英语
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000357661700028
WOS KeywordFATTY-ACID-COMPOSITION ; NITROGEN-STARVATION ; HAEMATOCOCCUS-PLUVIALIS ; NEOCHLORIS-OLEOABUNDANS ; CHLORELLA-VULGARIS ; BIOFUEL PRODUCTION ; NUTRIENT STRESS ; GROWTH ; PERSPECTIVES ; TEMPERATURE
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/25749
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorHu, CX (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
He, Qiaoning,Yang, Haijian,Wu, Lei,et al. Effect of light intensity on physiological changes, carbon allocation and neutral lipid accumulation in oleaginous microalgae[J]. BIORESOURCE TECHNOLOGY,2015,191:219-228.
APA He, Qiaoning,Yang, Haijian,Wu, Lei,Hu, Chunxiang,&Hu, CX .(2015).Effect of light intensity on physiological changes, carbon allocation and neutral lipid accumulation in oleaginous microalgae.BIORESOURCE TECHNOLOGY,191,219-228.
MLA He, Qiaoning,et al."Effect of light intensity on physiological changes, carbon allocation and neutral lipid accumulation in oleaginous microalgae".BIORESOURCE TECHNOLOGY 191(2015):219-228.
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