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Salud Pública de México
Print version ISSN 0036-3634
Abstract
ORTIZ-GIL, Miguel Ángel et al. Tracking methicillin-resistant Staphylococcus aureus clones in a hospital in Southern Mexico. Salud pública Méx [online]. 2020, vol.62, n.2, pp.186-191. Epub Feb 28, 2022. ISSN 0036-3634. https://doi.org/10.21149/10786.
Objective:
To describe the clinical and molecular characteristics of methicillin-resistantStaphylococcus aureus(MRSA) strains that were collected in theHospital 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.
Keywords : MRSA; clones; Mexico.
