| Methanobacterium | <bacteria> A genus of strictly anaerobic bacteria that reduce carbon dioxide using molecular hydrogen, H2, to give methane. They show a number of features that distinguish them from other bacteria and are now classified as a separate group, the Archaebacteria. Methanobacteria are found in the anaerobic sediment at the bottom of ponds and marshes (hence marsh gas is the common name for methane) and as part of the microflora of the rumen in cattle and other herbivorous mammals. (18 Nov 1997) |
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Synonyms :
| Methanobacterium |
a genus of methane-producing bacteria of the family Methanobacteriaceae, made up of nonspore-forming, coccoid, rod-shaped organisms that are strictly anaerobic and derive energy by the reduction of carbon dioxide to methane. They are widely distributed, occurring in mud, sewage, and the digestive tracts of animals. The type species is M. soehnge´nii.
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