单词	methanogenesis
释义	methanogenesis /ˌmɛθənə(ʊ)ˈdʒɛnɪsɪs / /mɛˈθanə(ʊ)dʒɛnɪsɪs/ noun [mass noun] Biology The production of methane by bacteria or other living organisms.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.
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