Two new colorimetric methods for early detection of vancomycin and oxacillin resistance in Staphylococcus aureus


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Coban A. Y., BOZDOGAN B., CIHAN C., CETINKAYA E., BILGIN K., DARKA O., ...More

JOURNAL OF CLINICAL MICROBIOLOGY, vol.44, no.2, pp.580-582, 2006 (SCI-Expanded) identifier identifier identifier

Abstract

We developed two colorimetric methods for the detection of vancomycin- and oxacillin-resistant Staphylococcus aureus in <= 6 h: (i) a nitrate reductase assay and (ii) a resazurin microplate method. MICs agreed with results obtained by CLI methods for oxacillin. However, detection of vancomycin resistance required a larger inoculum. These methods may be recommended for the detection of vancomycin- and oxacillin-resistant S. aureus.