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. 1977 Jan;5(1):112-3.
doi: 10.1128/jcm.5.1.112-113.1977.

Media-dependent oxidase reaction in a strain of Aeromonas hydrophila

V A McGrath, S B Overman, T L Overman

Media-dependent oxidase reaction in a strain of Aeromonas hydrophila

V A McGrath et al. J Clin Microbiol. 1977 Jan.

Abstract

A strain of Aeromonas hydrophila isolated from bile was oxidase positive only when grown on nonselective media. The isolate was oxidase negative when grown on gram-negative selective and/or differential media. It is proposed that oxidase tests on gram-negative rods be performed on colonies grown on nonselective media to assure valid results.

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References

    1. Nature. 1956 Sep 29;178(4535):703 - PubMed

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