Growth and Physiological Features of Cyanobacterium <i>Anabaena</i> sp. Strain PCC 7120 in a Glucose-Mixotrophic Culture

喻国策; 施定基; 蔡昭铃; 丛威; 欧阳藩

doi:10.1016/S1004-9541(09)60185-3

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Growth and Physiological Features of Cyanobacterium Anabaena sp. Strain PCC 7120 in a Glucose-Mixotrophic Culture

Updated：2026-01-06

- Growth and Physiological Features of Cyanobacterium Anabaena sp. Strain PCC 7120 in a Glucose-Mixotrophic Culture
- Growth and Physiological Features of Cyanobacterium Anabaena sp. Strain PCC 7120 in a Glucose-Mixotrophic Culture
- 中国化学工程学报（英文版） 2011年19卷第1期页码：108-115
- Affiliations：
  
  1. Institute of Nuclear and New Energy Technology, Tsinghua University,Beijing,China,100084
  2. State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100080
  3. Research Center of Photosynthesis, Institute of Botany, Chinese Academy of Sciences,Beijing,China,100093
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(09)60185-3
  中图分类号：
- 纸质出版：2011
- Accepted：
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喻国策, 施定基, 蔡昭铃, 等. Growth and Physiological Features of Cyanobacterium Anabaena sp. Strain PCC 7120 in a Glucose-Mixotrophic Culture[J]. 中国化学工程学报（英文版）, 2011,19(1):108-115. DOI: 10.1016/S1004-9541(09)60185-3.

sp. Strain PCC 7120 in a Glucose-Mixotrophic Culture[J]. , 2011, 19(1): 108-115.
喻国策, 施定基, 蔡昭铃, 等. Growth and Physiological Features of Cyanobacterium Anabaena sp. Strain PCC 7120 in a Glucose-Mixotrophic Culture[J]. 中国化学工程学报（英文版）, 2011,19(1):108-115. DOI: 10.1016/S1004-9541(09)60185-3. DOI：

sp. Strain PCC 7120 in a Glucose-Mixotrophic Culture[J]. , 2011, 19(1): 108-115. DOI： 10.1016/S1004-9541(09)60185-3.

摘要

Abstract

Mixotrophic growth is one potential mode for mass culture of microalgae and cyanobacteria particularly suitable for the production of high value bioactive compounds and fine chemicals.The typical heterocystous cyanobacterium

Anabaena

sp.PCC 7120 was grown in the presence of exogenous glucose in light.Glucose improved the cell growth evidently

the maximal specific growth rate under mixotrophic condition(0.38 d

1)being 1.6-fold of that of photoautotrophic growth.Mixotrophy caused a variation in cellular pigment composition

increasing the content of chlorophyll

and decreasing the contents of carotenoid and phycobiliprotein relative to chlorophyll

.Fluorescence emission from photosystem Ⅱ(PSⅡ)relative to photosystem I was enhanced in mixotrophic cells

implying an increased energy distribution in PSⅡ.Glucokinase(EC 2.7.1.2)activity was further induced in the presence of glucose.The mixotrophic culture was scaled up in a 15 L airlift photobioreactor equipped with an inner and an outer light source.A modified Monod model incorporating the specific growth rate and the average light intensity in the reactor was developed to describe cell growth appropriately.The understanding of mixotrophic growth and relevant physiological features of

Anabaena

sp.PCC 7120 would be meaningful for cultivation and exploitation of this important cyanobacterial strain.

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Growth and Physiological Features of Cyanobacterium Anabaena sp. Strain PCC 7120 in a Glucose-Mixotrophic Culture

Growth and Physiological Features of Cyanobacterium Anabaena sp. Strain PCC 7120 in a Glucose-Mixotrophic Culture

DOI：10.1016/S1004-9541(09)60185-3

摘要

Abstract

关键词

Keywords

references