这个词是什么意思？
A genus of anaerobic, irregular spheroid-shaped METHANOSARCINALES whose organisms are nonmotile. Endospores are not formed. These archaea derive energy via formation of methane from acetate, methanol, mono-, di-, and trimethylamine, and possibly, carbon monoxide. Organisms are isolated from freshwater and marine environments.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D017020 · MeSH 2026。
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