Abstract
Raw milk samples, and cow and chicken intestines were tested to isolate vancomycin-resistant, gram-positive bacteria. From these samples, we isolated seven vancomycin-resistantStreptococcus equinus, two vancomycin-resistant viridans Streptococcus and two vancomycin-resistantEnterococcus faecium. The MICs of several antibiotics, including vancomycin, against these strains were tested. Seven isolates ofS. equinus showed high level resistance to vancomycin and teicoplanin (>100 μg/mL). The cell wall thickness of these strains was compared with that of the sensitive strain by TEM and no differences were obserbed between these strains. We compared the strains of vancomycin-resistantStreptococcus equinus using PCR with Microbial Uniprimer Kit. We concluded that it is necessary to combine other methods in order to cluster and identify all isolates ofS. equinus.
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Choi, SS., Lee, J.W., Kang, BY. et al. Antimicrobial resistance patterns of vancomycin-resistantStreptococcus equinus isolated from animal foods and epidemiological typing of resistantS. equinus by Microbial Uniprimer Kit. Arch Pharm Res 26, 638–643 (2003). https://doi.org/10.1007/BF02976713
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DOI: https://doi.org/10.1007/BF02976713