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MicrobiologyEssay Preview: MicrobiologyReport this essayUnknown Number 29Enterobacter aerogenesTESTS DONEGram Stain – Gram Negative RodSIM tube – motile, non-sulfur producing, indole negativeSimmons Citrate tube – positiveDurham tubes –Does ferment galactoseDoes not ferment glucoseDoes ferment maltoseDoes ferment glycerolDoes ferment sucroseDoes ferment trehaloseUrea tube – urease negativeOxidase test – does not produce cytochrome oxidaseCatalyse test – produced bubblesGrew.