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General characters of the family Enterobacteriaceae

 

General characters of the family Enterobacteriaceae

•Gram negative rods

•Motile or non motile

•If motile with peritrichious flagella

•Aerobic or facultative anaerobe

•Catalase positive

•Oxidase negative

•Ferment glucose with or without production of gas

• Reduce nitrates to nitrites

•Morphology gram negative non sporing

•Motility

•Culture

–Simple media they can grow very easily

•Why the selective media are used then

•To Knock out the normal flora

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