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题名: Enhancing starch production of a marine green microalga Tetraselmis subcordiformis through nutrient limitation
作者: Yao, Changhong1, 2;  Ai, Jiangning1;  Cao, Xupeng1;  Xue, Song1;  Zhang, Wei3, 4
关键词: Tetraselmis subcordiformis ;  Microalgal starch ;  Nutrient limitation ;  Starch productivity
刊名: BIORESOURCE TECHNOLOGY
发表日期: 2012-08-01
DOI: 10.1016/j.biortech.2012.05.030
卷: 118, 页:438-444
收录类别: SCI
文章类型: Article
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: Microalgal starch is a potential feedstock for biofuel production. The effects of KNO3 and MgSO4 concentrations and light intensity on biomass and starch production by the marine microalga, Tetraselmis subcordiformis, were investigated. Under 200 mu mol m(-2) s(-1) irradiance and sulfur-deprived conditions, a starch productivity of 0.62 g L-1 d(-1) and a starch content of 62.1% based on dry weight (DW) was achieved. A starch content of 54.3% was achieved under low irradiance and nitrogen starvation, which was 6.5% higher than that under nutrient- and light-sufficient conditions. Photosynthetic activity was indispensable for starch accumulation. It is difficult to reach high starch productivity and starch concentration simultaneously. Proper nutrient concentrations are necessary to achieve high starch productivity or starch concentration based on the target. The high starch productivity and starch content suggest that T. subcordiformis is a promising microalgal starch producer. (c) 2012 Elsevier Ltd. All rights reserved.
关键词[WOS]: CHLAMYDOMONAS-REINHARDTII ;  LIPID PRODUCTION ;  BIOMASS ;  PHOTOBIOREACTOR ;  ACCUMULATION ;  DEPRIVATION ;  METABOLISM ;  ETHANOL ;  PROTEIN ;  ALGA
语种: 英语
WOS记录号: WOS:000307259600059
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142869
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Marine Bioprod Engn Grp, Dalian, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.Flinders Univ S Australia, Sch Med, FCMB2, Adelaide, SA 5042, Australia
4.Flinders Univ S Australia, Sch Med, Dept Med Biotechnol, Adelaide, SA 5042, Australia

Recommended Citation:
Yao, Changhong,Ai, Jiangning,Cao, Xupeng,et al. Enhancing starch production of a marine green microalga Tetraselmis subcordiformis through nutrient limitation[J]. BIORESOURCE TECHNOLOGY,2012,118:438-444.
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