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题名: Lipid accumulation by NaCl induction at different growth stages and concentrations in photoautotrophic two-step cultivation of Monoraphidium dybowskii LB50
作者: Yang, Haijian1, 2; He, Qiaoning1, 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: Monoraphidium dybowskii LB50 ; Lipid quality ; Late-exponential growth phase ; NaCl induction ; Lipid productivity
刊名: BIORESOURCE TECHNOLOGY
发表日期: 2015-07-01
DOI: 10.1016/j.biortech.2015.03.125
卷: 187, 页:221-227
收录类别: SCI
文章类型: Article
部门归属: [Yang, Haijian ; He, Qiaoning ; Hu, Chunxiang] Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China ; [Yang, Haijian ; He, Qiaoning] Univ Chinese Acad Sci, Beijing 100039, 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: NaCl induction in photoautotrophic two-step cultivation is very promising, but time node and concentration are critical to the entire production. In this study Monoraphidium dybowskii LB50 was subjected to different NaCl concentrations at different growth phases. Results showed that during the initial phase (IP), fixed carbon was used for sugar and lipid under 5 g L-1 NaCl induction, as well as for protein under 10 g L-1 NaCl induction. At late-exponential growth phase (LEGP), the highest lipid productivity was obtained at 20 g L-1 NaCl. At stationary phase (SP) the highest lipid productivity was also under 20 g L-1 NaCl but lower than that of LEGP. In summary, lipid content and quality were improved at all growth phases under NaCl induction. Therefore, cultivation scale can be sued to determine the time node and dosage of the inducer, thereby realizing the economic efficiency of the fundamental guarantee in photoautotrophic two-step cultivation. (C) 2015 Elsevier Ltd. All rights reserved.
关键词[WOS]: ALGA BOTRYOCOCCUS-BRAUNII ; BIODIESEL PRODUCTION ; GREEN MICROALGA ; SALINITY ; STRESS ; LIGHT ; WATER ; IRON
语种: 英语
WOS记录号: WOS:000353193200030
ISSN号: 0960-8524
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/25760
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 100039, Peoples R China
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