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Escherichia
''Escherichia'' is a genus of Gram-negative, non-spore forming, facultatively anaerobic, rod-shaped bacteria from the family Enterobacteriaceae. In those species which are inhabitants of the gastrointestinal tracts of warm-blooded animals, ''Escherichia'' species provide a portion of the microbially derived vitamin K for their host. A number of the species of ''Escherichia'' are pathogenic.〔C.Michael Hogan. 2010. (''Bacteria''. Encyclopedia of Earth. eds. Sidney Draggan and C.J.Cleveland, National Council for Science and the Environment, Washington DC )〕 The genus is named after Theodor Escherich, the discoverer of ''Escherichia coli''. ==Pathogenesis== While many ''Escherichia'' are commensal gut flora, particular strains of some species are human pathogens, and are known as the most common cause of urinary tract infections, significant sources of gastrointestinal disease, ranging from simple diarrhea to dysentery-like conditions,〔 as well as a wide range of other pathogenic states.〔(【引用サイトリンク】 work=The Prokaryotes )〕 While ''E. coli'' is responsible for the vast majority of ''Escherichia''-related pathogenesis, other members of the genus have also been implicated in human disease.
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「Escherichia」の詳細全文を読む
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