methanobrevibacter 《英文msh詞典》Methanobrevibacter ; [主題詞] Methanobrevibacter ; [英文釋義] A genus of gram-positive,anaerobic,cocci to short rod-shaped ARCHAEA,in the family METHANOBACTERIACEAE,order METHANOBACTERIALES. They are found in the GASTROINTESTINAL TRACT or other anoxic environments.