First report of infection with community-acquired methicillin-resistant Staphylococcus aureus in South America - PubMed (original) (raw)
First report of infection with community-acquired methicillin-resistant Staphylococcus aureus in South America
Apoena Ribeiro et al. J Clin Microbiol. 2005 Apr.
Abstract
Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) has recently emerged in the southwestern Pacific, North America, and Europe. These S. aureus isolates frequently shared some genetic characteristics, including the SCCmec type IV and lukS-lukF genes. In this paper we show that typical CA-MRSA isolates have spread to South America (Brazil).
Figures
FIG. 1.
(A) Pulsed-field gel electrophoresis (PFGE) of the SmaI-fragmented genomic DNA obtained from MRSA isolates from Porto Alegre. Results for strains WB49 and WB45 (PFGE pattern A1), WB69 (pattern A2), WB56 (pattern A3), and WB72 (pattern B) are shown. (B) Comparison of the patterns exhibited by MRSA isolates from Porto Alegre city with those displayed by representatives of the international MRSA clones spread over the American continent. Results for BEC (strain BMB9393; a representative Brazilian epidemic clone), PC (strain HC563; a representative pediatric clone), and NY/JC (strain 17594; a representative New York/Japanese clone) are shown.
FIG. 2.
Detection of γ-hemolysin genes, lukF, mecA, and seo by PCR. The primers used for amplifying accessory elements are described in Materials and Methods. The multiplex PCR for SCC_mec_ typing (11) only amplified an expected band of 342 bp for DCS primers. (Top panel) Lane 1, 123 molecular size marker; lane 2, strain BMB9393 (a negative control); lane 3, WB69; lane 4, WB45; lane 5, WB57; lane 6, WB49; lane 7, WB72. (Center and bottom panels) Lane 1, 123 molecular size marker; lane 2, WB72; lane 3, WB69; lane 4, WB45; lane 5, WB57; lane 6, WB49.
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