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Escherichia vulneris
''Escherichia vulneris'' is a species of Gram-negative bacteria in the same genus as ''E. coli''. ''E. vulneris'' is a fermentative, oxidase-negative, motile rod, which holds characteristics of the family Enterobacteraceae. This bacterium can colonize in the respiratory tract, genital tract, stool, and urinary tract. However, ''E. vulneris'' is most often associated with wounds and has been known to colonize open wounds of both humans and animals. This association gave the bacterium its species name, ''vulneris'', which is Latin for wound. It has also been infrequently reported in cases of meningitis. It was defined as a new species in 1982.
== Morphology ==
''E. vulneris'' is of the genus ''Escherichia'', which it shares with the more commonly known ''E. coli''. Its structure is rod-like (bacilli), and it is made motile by peritrichous flagella (covering the whole body of the bacteria). ''E. vulneris'' is facultatively anaerobic, and is not spore-forming. Optimal growth occurs at 35-37 °C, and can colonize on a simple nutrient medium. Colonies are generally smooth and low convex with shiny surfaces.〔ABIS Encyclopedia. “Genus Escherichia.” Regnum Prokaryote.
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抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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