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Species identification and antibiotic resistance patterns of the enterococci

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Abstract

One hundred and forty isolates were identified using the GPI Card (Vitek Systems) and a conventional biochemical scheme. Agar dilution susceptibility testing was performed and isolates were screened for beta-lactamase production. The GPI Card was accurate in identifyingEnterococcus faecalis, but discrepant results were obtained for seven (29.1 %) of the 24non-Enterococcus faecalis isolates. Ampicillin resistance was present in 2.9 % of isolates and there were no beta-lactamase producers. There was no vancomycin resistance but 12.1 % of isolates showed high-level resistance to gentamicin.

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Bryce, E.A., Zemcov, S.J.V. & Clarke, A.M. Species identification and antibiotic resistance patterns of the enterococci. Eur. J. Clin. Microbiol. Infect. Dis. 10, 745–747 (1991). https://doi.org/10.1007/BF01972500

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