Definition of methanogen in English:
methanogen
noun ˈmɛθənə(ʊ)dʒ(ə)nmɛˈθanə(ʊ)dʒ(ə)nˈmeTHənəjən
Biology A methane-producing bacterium, especially an archaean which reduces carbon dioxide to methane.
Example sentencesExamples
- Methane is formed by a unique group of anaerobic bacteria belonging to the Archaea, the methanogens.
- Since the discovery that methanogens belong to the Archaea and not to the Bacteria, a number of other archaeal groups have been discovered.
- In this regard, both the phylogeny and function of archaeal selenoproteins are consistent with the argument that the archaeal ancestor was a methanogen.
- Dog feces naturally contain bacteria called methanogens, which use hydrogen to break down carbon dioxide into microbial food.
- Among the archaebacteria, the genome that is most similar to yeast at all thresholds is that of the methanogen Methanosarcina mazei.