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Antimicrobial Resistance and Molecular Epidemiology of Staphylococcus aureus from Hunters and Hunting Dogs

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Summary:Several studies have showed that a dog‐to‐human transmission of Staphylococcus aureus occurs. Hunting dogs do not have as much contact with their owners as dogs that live in the same household as the owners; however, these dogs have contact with their owners during hunting activities as well as when hunting game; therefore, we aimed to isolate S. aureus from hunters and their hunting dogs to investigate a possible S. aureus transmission. Nose and mouth samples were collected from 30 hunters and their 78 hunting dogs for staphylococcal isolation. The species identification was performed using MALDI‐TOF. The antimicrobial susceptibility profiles were accessed using the Kirby–Bauer method and respective antimicrobial resistance genes were investigated by PCR. Multilocus sequence typing (MLST) and spa‐ and agr‐typing was performed in all S. aureus isolates. S. aureus were detected in 10 (30%) human samples and in 11 (15.4%) dog samples of which 11 and 5 were methicillin‐resistant S. aureus (MRSA). Other staphylococci were identified, particularly, S. pseudintermedius. Most S. aureus isolates were resistant to penicillin, erythromycin, and tetracycline. Evidence of a possible transmission of S. aureus between human and dogs was detected in three hunters and their dogs. S. aureus isolates were ascribed to 10 STs and 9 spa‐types. A moderate colonization of S. aureus in hunting dogs and their owners was detected in this study. A few dog‐to‐dog and dog‐to‐human possible transmissions were identified.
Main Authors:Silva, Vanessa
Other Authors:Caniça, Manuela; Manageiro, Vera; Vieira‐Pinto, Madalena; Pereira, José Eduardo; Maltez, Luís; Poeta, Patrícia; Igrejas, Gilberto
Subject:dogs human‐to‐dog MRSA Staphylococcus aureus transmission Immunology and Allergy Molecular Biology General Immunology and Microbiology Microbiology (medical) Infectious Diseases SDG 3 - Good Health and Well-being
Year:2022
Country:Portugal
Document type:article
Access type:open access
Associated institution:Universidade Nova de Lisboa
Language:English
Origin:Repositório Institucional da UNL

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