Tracking methicillin-resistant Staphylococcus aureus clones in a hospital in Southern Mexico
Abstract: 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.
| Main Authors: | , , , , , |
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| Format: | Digital revista |
| Language: | English |
| Published: |
Instituto Nacional de Salud Pública
2020
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| Online Access: | http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0036-36342020000200186 |
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| Summary: | Abstract: 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. |
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