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Chinese Journal of Applied Ecology ›› 2017, Vol. 28 ›› Issue (6): 2047-2054.doi: 10.13287/j.1001-9332.201706.023

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Mechanism of hypoxia-tolerance and community structure of aerobic methanotrophs in O2-limited environments: A review

MA Ruo-chan, WEI Xiao-meng, HE Ruo   

  1. College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
  • Received:2016-10-20 Published:2017-06-18
  • Contact: *E-mail:heruo@zju.edu.cn
  • Supported by:
    This work was supported by National Natural Science Foundation of China (41671245, 41371012) and Zhejiang Province Natural Science Foundation (LR13E080002)

Abstract: Methane bio-oxidation plays an important role in the global methane balance and greenhouse gases mitigation. Oxygen (O2) is one of the significant factors in methane bio-oxidation. The O2 concentration in the environments not only can affect community structure and activity of aerobic methanotrophs and the distribution of methane-derived carbon, but also aerobic methanotrophs have various ways of metabolism at different O2 concentrations. It is meaningful for carbon cycle and biodiversity of methane-driven ecosystem to understand the hypoxia-tolerance mechanisms of aerobic methanotrophs and methane bio-oxidation in O2-limited environments. In this paper, the activity and community structure of aerobic methanotrophs in O2-limited environments were summarized. The hypoxia-tolerance mechanism of aerobic methanotrophs and the relationship between methanotrophs and non-methanotrophs in O2-limited environments were reviewed. Future studies about aerobic methanotrophs were also discussed.