noun[mass noun] Biology
The production of methane by bacteria or other living organisms.
More example sentences
- Dolomite as a possible product of bacterial methanogenesis is absent in sediments from the Marnes Bleues Formation.
- Selenoproteins are relevant to the controversy over the metabolic features of the archaeal ancestor of eukaryotes because, among archaea, they facilitate autotrophic growth and methanogenesis.
- In the marine environment, methanogenesis is restricted by competition with anaerobic sulphate-reducing bacteria, which use similar substrates.