Methanobrevibacter smithii – Wikipedia
https://en.wikipedia.org/wiki/Methanobrevibacter_smithii
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Methanobrevibacter smithii is the predominant archaeon in the human gut. It plays an important role in the efficient digestionof polysaccharides (complex sugars) by consuming the end products of bacterial fermentation. Methanobrevibacter smithii is a single-celled microorganism from the Archaea domain. M. smithii is a methanogen, and a hydrogenotroph that recycles the hydrogen by combining it with carbon dioxide to methane. The removal of hydrogen by M. smithii is thought to allow an increase in the extraction of energy from nutrients by shifting bacterial fermentation to more oxidized end products.[1]
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