Abiotic factors in colony formation: effects of nutrition and light on extracellular polysaccharide production and cell aggregates of Microcystis aeruginosa

Zhen Yang; Fanxiang Kong

doi:10.1007/s00343-013-2264-2

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Abiotic factors in colony formation: effects of nutrition and light on extracellular polysaccharide production and cell aggregates of Microcystis aeruginosa

Updated：2023-05-16

- Abiotic factors in colony formation: effects of nutrition and light on extracellular polysaccharide production and cell aggregates of Microcystis aeruginosa
- Journal of Oceanology and Limnology Vol. 31, Issue 4, Pages: 796-802(2013)
- Affiliations：
  
  State Key Laboratory of Lake Science and Environment Nanjing Institute of Geography and Limnology Chinese Academy of Sciences
- Author bio：
- Funds：
- DOI：10.1007/s00343-013-2264-2
  CLC：
- Online First：10 July 2013，
  
  Published：2013
- Accepted：
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Yang, Z., Kong, F. Abiotic factors in colony formation: effects of nutrition and light on extracellular polysaccharide production and cell aggregates of Microcystis aeruginosa, ., Chin. J. Ocean. Limnol. 31, 796–802 (2013). https://doi.org/10.1007/s00343-013-2264-2
DOI：

Yang, Z., Kong, F. Abiotic factors in colony formation: effects of nutrition and light on extracellular polysaccharide production and cell aggregates of Microcystis aeruginosa, ., Chin. J. Ocean. Limnol. 31, 796–802 (2013). https://doi.org/10.1007/s00343-013-2264-2 DOI：

摘要

Abstract

Colony morphology is important for Microcystis to sustain a competitive advantage in eutrophic lakes. The mechanism of colony formation in Microcystis is currently unclear. Extracellular polysaccharide (EPS) has been reported to play an important role in cell aggregate formation of some phytoplankton. Microcystis aeruginosa was cultivated under varied abiotic conditions

including different nutrient

light

and temperature conditions

to investigate their effects on EPS production and morphological change. The results show that nutrient concentration and light intensity have great effects on EPS productionin M. aeruginosa. There was a considerable increase in EPS production after M. aeruginosa was cultivated in adjusted culture conditions similar to those present in the field (28.9 mg C/L

1.98 mg N/L

0.65 mg P/L

light intensity: 100 μmol/(m2 · s)). These results indicate that abiotic factors might be one of the triggers for colony formation in Microcystis.

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references

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Related Institution

Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University

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State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences

State Key Laboratory of Lake & Environment Science Nanjing Institute of Geography and Limnology Chinese Academy of Sciences

University of Chinese Academy of Sciences

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