Annals of Clinical Microbiology, The official Journal of the Korean Society of Clinical Microbiology

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pISSN 2288-0585 eISSN 2288-6850

Misidentification as Vibrio alginolyticus with Vitek GNI+ Card in Three Cases

Case report

Annals of Clinical Microbiology (Ann Clin Microbiol) 2005 June Volume 8, Issue 1, pages 99-104.


https://doi.org/10.5145/ACM.2005.08.1.99

Misidentification as Vibrio alginolyticus with Vitek GNI+ Card in Three Cases

Gyoung Yim Ha, and Moon Yeun Kim*

Department of Laboratory Medicine, College of Medicine, Dongguk University, Kyongju, Korea

Abstract

The introduction of a new, fully automated system into the clinical microbiology laboratory contributes to a rapid identification of microorganisms with accurate and reliable results, but such a system requires a high cost and additional tests for identification of some species. For instance, additional tests on oxidase, indole, motility, hemolysis, and pigmentation are needed in the correct identification by using Vitek GNI+ system (bioMerieux Vitek Inc., MO, USA). In particular, Vibrio and Aeromonas species are occasionally identified incorrectly when an automated system is used, and thus conventional biochemical tests may be more reliable in the identification of such species. We experienced three cases of incorrect identification of Vibrio parahaemolyticus, Vibrio cholerae, and Aeromonas veronii biovar sobria as Vibrio alginolyticus by using Vitek GNI+ card. (Korean J Clin Microbiol 2005;8(1):99-104)

Keywords

Vitek GNI+ card, Idendification, Vibrio parahaemolyticus, Vibrio cholerae, Aeromonas veronii biovar sobria, Vibrio alginolyticus