An organism that can be described as oxidase-negative, MacConkey agar-positive, glucose nonfermenter is likely

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The organisms discussed in this chapter are considered together because, except for CDC group NO-1, they are all oxidase-negative and grow on MacConkey agar, as do the Enterobacteriaceae. However, unlike the Enterobacteriaceae, which ferment glucose, these organisms either oxidize or do not utilize glucose.

An Organism That Can Be Described as Oxidase-Negative, MacConkey Agar-Positive