Identification and Differentiation of Coagulase-Negative Staphylococcus aureus by Polymerase Chain Reaction
Abstract:Staphylococcus aureus is an etiological agent of a wide variety of human and animal infections. The majority of S. aureus are coagulase-positive; however, some may be atypical in that they do not produce coagulase. Incorrect identification of an isolate can impact implementation of effective treatment and/or control measures. In this study, polymerase chain reaction-based DNA finger-printing was used to differentiate coagulase-positive Staphylococcus aureus (CPSA) from coagulase-negative Staphylococcus aureus (CNSA). A total of 29 CNSA and 50 CPSA were evaluated. PCR-based DNA fingerprinting differentiated CNSA from CPSA on the basis of visible observation and densitometric evaluation. The method is rapid and accurate, eliminating variability associated with conventional techniques.
Document Type: Research Article
Publication date: June 1, 1997
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