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''Azomonas'' species are typically motile, oval to spherical, and secrete large quantities of capsular slime. They are distinguished from ''Azotobacter'' by their inability to form cysts, but like ''Azotobacter'', they can biologically fix nitrogen under aerobic conditions (diazotrophs). Bacteria of the genus ''Azomonas'' are known to form intracellular inclusions of polyhydroxyalkanoates under certain environmental conditions (e.g. lack of elements such as phosphorus, nitrogen, or oxygen combined with an excessive supply of carbon sources). ==Etymology== The name ''Azomonas'' derives from: : New Latin noun ''azotum'' (Fr. noun ''azote'' (from Greek prep. ά, ''a'', not; Greek noun ζωη, ''zōē'', life; N.Greek noun άζωη, ''azōē'', not sustaining life) ), nitrogen; New Latin pref. ''azo''-, pertaining to nitrogen; Latin feminine gender noun ''monas (μονάς / μονάδα)'', nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun ''Azomonas'', nitrogen monad. Members of the genus ''Azomonas'' can be referred to as azomonads (''viz.'' Trivialisation of names). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Azomonas」の詳細全文を読む スポンサード リンク
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