Enrichment of Microbial Community for Anaerobic Oxidation of Methane
Author Information
Author(s): Zhang Yu, Maignien Loïs, Zhao Xianxian, Wang Fengping, Boon Nico
Primary Institution: State Key Laboratory of Microbial Metabolism and School of Life Science & Biotechnology, Shanghai Jiao Tong University
Hypothesis
Does high-pressure incubation enhance the microbial community structure and biomass of anaerobic methanotrophic archaea and sulfate-reducing bacteria?
Conclusion
The study found that high-pressure conditions significantly increased the biomass and specific populations of anaerobic methanotrophic archaea and sulfate-reducing bacteria.
Supporting Evidence
- 99.7% of the total biovolume represented cells in the form of small aggregates.
- The total biovolume increased 2.5 times after 286 days.
- ANME-2 and SRB populations increased by factors of 12.5 and 8.4, respectively.
Takeaway
Scientists grew tiny microbes that eat methane in a special high-pressure tank, and they found that these microbes grew a lot better than before.
Methodology
The study involved a continuous high-pressure bioreactor where sediment samples were incubated for 286 days to analyze microbial community structure and biomass.
Limitations
The study may not represent all microbial communities as it focused on a specific sediment sample from a single location.
Digital Object Identifier (DOI)
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