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Identification of carbohydrates as the major carbon sink of the marine microalga Isochrysis zhangjiangensis (Haptophyta) and optimization of its productivity by nitrogen manipulation
Wang, Hai-Tao1,2; Yao, Chang-Hong1; Ai, Jiang-Ning1; Cao, Xu-Peng1; Xue, Song1; Wang, Wei-liang3
关键词Isochrysis Zhangjiangensis Carbohydrate Production Nitrogen Limitation Microalga Carbohydrate
刊名BIORESOURCE TECHNOLOGY
2014-11-01
DOI10.1016/j.biortech.2014.08.090
171页:298-304
收录类别SCI
文章类型Article
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
关键词[WOS]OBLIQUUS CNW-N ; CHLAMYDOMONAS-REINHARDTII ; TETRASELMIS-SUBCORDIFORMIS ; SEMICONTINUOUS CULTURES ; BIOCHEMICAL-COMPOSITION ; NUTRIENT LIMITATION ; STARCH PRODUCTION ; OIL ACCUMULATION ; LIPID-CONTENT ; CO2 FIXATION
英文摘要Microalgae represent a potential feedstock for biofuel production. During cultivation under nitrogen-depleted conditions, carbohydrates, rather than neutral lipids, were the major carbon sink of the marine microalga Isochrysis zhangjiangensis (Haptophyta). Carbohydrates reached maximum levels of 21.2 pg cell(-1) on day 5, which was an increase of more than 7-fold from day 1, while neutral lipids simultaneously increased 1.9-fold from 4.0 to 7.6 pg cell(-1) during the ten-day nitrogen-depleted cultivation. The carbohydrate productivity of I. zhangjiangensis was improved by optimization of the nitrate supply mode. The maximum carbohydrate concentration was 0.95 g L-1 under batch cultivation, with an initial nitrogen concentration of 31.0 mg L-1, which was 2.4-fold greater than that achieved under nitrogen-depleted conditions. High performance liquid chromatography (HPLC) analysis showed that the accumulated carbohydrate in I. zhangjiangensis was composed of glucose. These results show that I. zhangjiangensis represents an ideal carbohydrate-enriched bioresource for biofuel production. (C) 2014 Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000343091700043
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145913
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Marine Bioprod Engn Grp, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.E China Univ Sci & Technol, State Key Lab Bioreactor Engn, Shanghai 200237, Peoples R China
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Wang, Hai-Tao,Yao, Chang-Hong,Ai, Jiang-Ning,et al. Identification of carbohydrates as the major carbon sink of the marine microalga Isochrysis zhangjiangensis (Haptophyta) and optimization of its productivity by nitrogen manipulation[J]. BIORESOURCE TECHNOLOGY,2014,171:298-304.
APA Wang, Hai-Tao,Yao, Chang-Hong,Ai, Jiang-Ning,Cao, Xu-Peng,Xue, Song,&Wang, Wei-liang.(2014).Identification of carbohydrates as the major carbon sink of the marine microalga Isochrysis zhangjiangensis (Haptophyta) and optimization of its productivity by nitrogen manipulation.BIORESOURCE TECHNOLOGY,171,298-304.
MLA Wang, Hai-Tao,et al."Identification of carbohydrates as the major carbon sink of the marine microalga Isochrysis zhangjiangensis (Haptophyta) and optimization of its productivity by nitrogen manipulation".BIORESOURCE TECHNOLOGY 171(2014):298-304.
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