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Updated: May 26, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Published on: February 9, 2011

Methicillin-resistant Staphylococcus pseudintermedius isolated from canine pyoderma in North China.

Y Wang¹, J Yang, C M Logue

¹Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing, China.

Journal of Applied Microbiology

|January 11, 2012

Summary

Methicillin-resistant Staphylococcus pseudintermedius (MRSP) was found in 12.7% of dogs with pyoderma in North China. The study identified two main MRSP clonal lineages, ST71 and ST5, highlighting a significant veterinary challenge.

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Last Updated: May 26, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Published on: February 9, 2011

Area of Science:

Veterinary Microbiology
Infectious Diseases
Antimicrobial Resistance

Background:

Canine pyoderma is a common skin infection.
Methicillin-resistant Staphylococcus pseudintermedius (MRSP) is an emerging pathogen in veterinary medicine.
Limited data exists on MRSP prevalence in China.

Purpose of the Study:

To determine the prevalence of MRSP in dogs with pyoderma in North China.
To characterize MRSP isolates from these dogs.
To provide baseline data for future surveillance.

Main Methods:

Swabs collected from 260 dogs with pyoderma.
Phenotypic and genotypic confirmation of MRSP.
Characterization using MLST, spa typing, SCC mec typing, antimicrobial susceptibility testing, and PFGE.

Main Results:

MRSP was detected in 12.7% (33/260) of dogs.
The most common MRSP genotypes were ST71-t06-II-III (66.7%) and ST5-t19 (24.2%).
All MRSP isolates exhibited extended antimicrobial resistance.

Conclusions:

Clinical MRSP isolates in North China belong to two major clonal lineages: ST71 and ST5.
This is the first report of MRSP from canine pyoderma in China.
Further surveillance is recommended to address this clinical challenge.