Synergistic enhancement of glycogen production in Arthrospira platensis by optimization of light intensity and nitrate supply

被引：109

作者：

Aikawa, Shimpei ^{[1
,2
]}

Izumi, Yoshihiro ^{[1
,2
]}

Matsuda, Fumio ^{[2
,3
]}

Hasunuma, Tomohisa ^{[2
,3
,4
]}

Chang, Jo-Shu ^{[5
,6
,7
]}

Kondo, Akihiko ^{[1
,2
]}

机构：

[1] Kobe Univ, Dept Chem Sci & Engn, Grad Sch Engn, Nada Ku, Kobe, Hyogo 6578501, Japan

[2] Japan Sci & Technol Agcy, Core Res Evolut Sci & Technol, Chiyoda Ku, Tokyo 1020075, Japan

[3] Kobe Univ, Org Adv Sci & Technol, Nada Ku, Kobe, Hyogo 6578501, Japan

[4] Japan Sci & Technol Agcy, Precursory Res Embryon Sci & Technol, Chiyoda Ku, Tokyo 1020075, Japan

[5] Natl Cheng Kung Univ, Dept Chem Engn, Tainan 701, Taiwan

[6] Natl Cheng Kung Univ, Res Ctr Energy Technol & Strategy, Tainan 701, Taiwan

[7] Natl Cheng Kung Univ, Ctr Biosci & Biotechnol, Tainan 701, Taiwan

来源：

BIORESOURCE TECHNOLOGY | 2012年 / 108卷

基金：

日本科学技术振兴机构;

关键词：

Arthrospira platensis; Glycogen; Cyanobacteria; Light intensity; Nitrogen starvation; CYANOBACTERIUM OSCILLATORIA-AGARDHII; TRANSIENT STATE CHARACTERISTICS; NITROGENASE ACTIVITY; ACCUMULATION; METABOLISM;

D O I：

10.1016/j.biortech.2012.01.004

中图分类号：

S2 [农业工程];

学科分类号：

082806 [农业信息与电气工程];

摘要：

Arthrospira (Spirulina) platensis, a fast-growing halophilic cyanobacterium able to accumulate glycogen, was investigated for its feasibility to serve as feedstock for fermentative production of biofuels and chemicals. The culture conditions most appropriate for glycogen production were identified. Glycogen production was maximized by the depleting nitrate source under a high light intensity of 700 mu mol photons m(-2) s(-1). With optimal control of both light intensity and nitrate supply, glycogen production of A. platensis reached nearly 1.03 g L-1 (a glycogen productivity of 0.29 g L-1 d(-1)), which is, to the best of our knowledge, the highest alpha-polyglucan (glycogen or starch) production performance ever reported in microalgae. The outcome of this work supports A. platensis as a promising carbohydrate source for biorefinery. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：211 / 215

页数：5

共 28 条

[1]

Fermentative metabolism to produce hydrogen gas and organic compounds in a cyanobacterium, Spirulina platensis [J].