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题名: Effect of light intensity on physiological changes, carbon allocation and neutral lipid accumulation in oleaginous microalgae
作者: He, Qiaoning1, 2; Yang, Haijian1, 2; Wu, Lei1, 2; Hu, Chunxiang1
通讯作者: Hu, CX (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
关键词: Light intensity ; Microalgae ; Physiology changes ; Carbon allocation ; Neutral lipid accumulation
刊名: BIORESOURCE TECHNOLOGY
发表日期: 2015-09-01
DOI: 10.1016/j.biortech.2015.05.021
卷: 191, 页:219-228
收录类别: SCI
文章类型: Article
部门归属: [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
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Technology
类目[WOS]: Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
研究领域[WOS]: Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
英文摘要: Chlorella 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.
关键词[WOS]: FATTY-ACID-COMPOSITION ; NITROGEN-STARVATION ; HAEMATOCOCCUS-PLUVIALIS ; NEOCHLORIS-OLEOABUNDANS ; CHLORELLA-VULGARIS ; BIOFUEL PRODUCTION ; NUTRIENT STRESS ; GROWTH ; PERSPECTIVES ; TEMPERATURE
语种: 英语
WOS记录号: WOS:000357661700028
ISSN号: 0960-8524
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/25749
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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