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Journal of Clinical Microbiology, November 2001, p. 4037-4041, Vol. 39, No. 11
0095-1137/01/$04.00+0 DOI: 10.1128/JCM.39.11.4037-4041.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Multiplex PCR for Simultaneous Identification of
Staphylococcus aureus and Detection of Methicillin and
Mupirocin Resistance
E.
Pérez-Roth,1
F.
Claverie-Martín,1
J.
Villar,1 and
S.
Méndez-Álvarez1,2,*
Molecular Biology Laboratory, Research Unit,
Nuestra Señora de Candelaria Hospital,1
and Department of Cellular Biology and Microbiology, University
of La Laguna,2 Santa Cruz de Tenerife, Spain
Received 30 July 2001/Returned for modification 20 August
2001/Accepted 4 September 2001
In this work, we describe a multiplex PCR assay for the
detection of clinically relevant antibiotic resistance genes harbored by some Staphylococcus aureus isolates and for the
simultaneous identification of such isolates at the species level.
Conditions were optimized for the simultaneous detection of the 310-, 456-, and 651-bp regions of the mecA (encoding
high-level methicillin resistance),
ileS-2 (encoding high-level
mupirocin resistance), and femB (encoding a factor
essential for methicillin resistance) genes, respectively, from a
single colony in a single reaction tube. The femB PCR
fragment allows the specific identification of S.
aureus. Validation of the method was performed using 50 human isolates of methicillin-resistant S.
aureus (MRSA) and the appropriate control strains. This
assay offers a rapid, simple, feasible, specific, sensitive, and
accurate identification of mupirocin-resistant MRSA clinical isolates
and could be systematically applied as a diagnostic test in clinical
microbiology laboratories, facilitating the design and use of
antibiotic therapy.
*
Corresponding author. Mailing address: Unidad de
Investigación, Hospital Ntra. Sra. de Candelaria, Ctra. del
Rosario s/n, 38010 Santa Cruz de Tenerife, Spain. Phone: 34-922-600080 or -600545. Fax: 34-922-600562. E-mail:
smendez{at}hcan.rcanaria.es.
Journal of Clinical Microbiology, November 2001, p. 4037-4041, Vol. 39, No. 11
0095-1137/01/$04.00+0 DOI: 10.1128/JCM.39.11.4037-4041.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
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