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A PCR assay for rapid detection of vancomycin-resistant enterococci
X Pérez-Hernández1, S Méndez-Alvarez, F Claverie-Martín
1Molecular Biology Laboratory, Research Unit, Nuestra Señora de Candelaria University Hospital, Santa Cruz de Tenerife, Spain.
Diagnostic Microbiology and Infectious Disease
|May 15, 2002
Summary
A new multiplex PCR method rapidly identifies vancomycin-resistant enterococci (VRE) and their resistance genes. This tool aids in quickly detecting these significant nosocomial pathogens.
Area of Science:
- Microbiology
- Molecular Biology
- Clinical Diagnostics
Background:
- Vancomycin-resistant enterococci (VRE) are significant nosocomial pathogens.
- Distinct glycopeptide resistance phenotypes exist, influencing treatment strategies.
Purpose of the Study:
- To develop a rapid and simultaneous method for identifying enterococci and detecting common glycopeptide resistance genes.
- To provide a tool for quick clinical detection of VRE.
Main Methods:
- Development of a multiplex PCR assay.
- Utilized five primer sets targeting vanA, vanB, vanC1, vanC2/C3, and tuf genes.
- Tested with bacterial DNA from enterococcal colonies.
Main Results:
- The multiplex PCR successfully identified enterococci at the genus level.
- Simultaneously detected the most frequent glycopeptide resistance genotypes.
- Demonstrated suitability for rapid VRE detection.
Conclusions:
- The developed multiplex PCR is an effective method for the rapid identification of VRE.
- This assay facilitates timely clinical decisions regarding VRE infections.