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Instituto Nacional de Salud Pública

2020, Number 2

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salud publica mex 2020; 62 (2)

Tracking methicillin-resistant Staphylococcus aureus clones in a hospital in Southern Mexico

Ortíz-Gil MÁ, Velazquez-Meza ME, Echániz-Aviles G, Mora-Domínguez JP, Carnalla-Barajas MN, Mendiola MEL

Language: English
References: 36
Page: 186-191
PDF size: 271.42 Kb.


ABSTRACT

Objective. To describe the clinical and molecular characteristics of methicillin-resistant Staphylococcus aureus (MRSA) strains that were collected in the Hospital Regional de Alta Especialidad de Veracruz (HRV). Materials and methods. A total of 107 MRSA strains from individual patients were examined. The strains were collected between September 2009 and September 2010. The clinical and demographic characteristics of patients were analyzed; molecular typing by pulsed-field gel electrophoresis (PFGE), staphylococcal chromosomal cassette mec (SCCmec) typing and multilocus sequence typing were used to characterize the isolates. Results. Two PFGE patterns (NY/J and IB) were identified with 4 and 3 subtypes respectively. The isolates analyzed showed two SCCmec types (I and II) and two sequence types (ST): ST247 and ST5 related with the Iberian and New York/Japan clones respectively. Conclusion. This study establishes the presence of two very important clonal lineages of MRSA: New York/Japan and Iberian clone in the hospital environment.


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