Community-acquired methicillin-resistant Staphylococcus aureus, Uruguay - PubMed (original) (raw)

doi: 10.3201/eid1106.041059.

Antonio Galiana, Walter Pedreira, Martin Mowszowicz, Inés Christophersen, Silvia Machiavello, Liliana Lope, Sara Benaderet, Fernanda Buela, Walter Vincentino, Maria Albini, Olivier Bertaux, Irene Constenla, Homero Bagnulo, Luis Llosa, Teruyo Ito, Keiichi Hiramatsu

Affiliations

Community-acquired methicillin-resistant Staphylococcus aureus, Uruguay

Xiao Xue Ma et al. Emerg Infect Dis. 2005 Jun.

Erratum in

Abstract

A novel, methicillin-resistant [corrected] Staphylococcus aureus clone (Uruguay clone) with a non-multidrug-resistant phenotype caused a large outbreak, including 7 deaths, in Montevideo, Uruguay. The clone was distinct from the highly virulent community clone represented by strain MW2, although both clones carried Panton-Valentine leukocidin gene and cna gene.

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Figures

Figure 1

Figure 1

The monthly accumulation of cases of infections due to non–multidrug-resistant MRSA strains from January 2002 to October 2003. Black blocks indicate numbers of strains that were isolated from patients in the public hospital (Hospital Maciel), white indicates strains from a private hospital (Centro de Asistencia del Sindicato Médico del Uruguay), and gray indicates strains from 2 prisons (Libertad and Comcar).

Figure 2

Figure 2

Dendrogram of pulsed-field gel electrophoresis (PFGE) banding pattern of representative Uruguay clone. Pulsotypes of representative Uruguay strains, a CA-MRSA strain isolated in the United States (MW2), 3 CA-MRSA strains isolated in Australia (A803355, A823549, and E802537), and a Japanese strain isolated from an outpatient (81/108) were compared by using a BioNumerics software program (Applied Maths, Sint-Martens-Latem, Belgium). Similarity coefficient was calculated by using Pearson correlation with position tolerance of 5%, and cluster analysis was performed by the unweighted pair-group method. Pulsotypes in parentheses indicate the types previously reported (7). PFGE was performed for 22 h with a CHEF MAPPER (Bio-Rad, Hercules, CA, USA) with a pulse time of 5 s to 40 s. _Sma_I-restriction patterns of the tested strains and reference strains were compared by using BioNumerics software. Genotypes of representative strains were determined by multilocus sequence typing as described by Enright et al. (9). Sequence type (ST) and clonal complex were assigned using programs in the S. aureus multilocus sequence typing database (

http://www.mlst.net

).

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