{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,19]],"date-time":"2025-12-19T15:37:12Z","timestamp":1766158632407,"version":"build-2065373602"},"reference-count":49,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2021,2,25]],"date-time":"2021-02-25T00:00:00Z","timestamp":1614211200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["SFRH\/BD\/137947\/2018"],"award-info":[{"award-number":["SFRH\/BD\/137947\/2018"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Microorganisms"],"abstract":"<jats:p>The emergence of methicillin-resistant Staphylococcus pseudintermedius (MRSP) antimicrobial resistance and epidemic genetic lineages is posing a challenge in veterinary medicine due to the limited therapeutical options. MRSP has been identified as an important canine pyoderma pathogen. Thus, we aimed to characterize the antimicrobial resistance and clonal lineages of MRSP isolated from canine cutaneous pyoderma. Thirty-one MRSP isolates recovered from pyoderma were further characterized. The antimicrobial susceptibility testing of the isolates was performed by the Kirby-Bauer disc diffusion method against 14 antimicrobial agents. The presence of antimicrobial and virulence genes was carried out by PCR. Multilocus sequence typing was performed in all isolates. All strains had a multidrug-resistant profile showing resistance mainly to penicillin, macrolides and lincosamides, aminoglycosides, tetracycline and trimethoprim-sulfamethoxazole, which was encoded by the blaZ, ermB, msr(A\/B), aac(6\u2032)-Ie-aph(2\u2032\u2032)-Ia, aph(3\u2032)-IIIa, ant(4\u2032)-Ia, tetM, tetK and dfrG genes. All isolates harbored the lukS-I\/lukF-I virulence factors. Isolates were ascribed to nine previously described sequence types (STs): ST123, ST339, ST727, ST71, ST537, ST45, ST1029, ST118 and ST1468; and to five STs first described in this study: ST2024, ST2025, ST2026, ST2027 and ST2028. In this study, most isolates belonged to ST123 (n = 16), which belongs to CC71 and is the most common clone in Europe. All isolates were multidrug-resistant, which may impose a serious threat to animal health.<\/jats:p>","DOI":"10.3390\/microorganisms9030482","type":"journal-article","created":{"date-parts":[[2021,2,26]],"date-time":"2021-02-26T02:08:17Z","timestamp":1614305297000},"page":"482","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":24,"title":["Clonal Diversity and Antimicrobial Resistance of Methicillin-Resistant Staphylococcus pseudintermedius Isolated from Canine Pyoderma"],"prefix":"10.3390","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9406-8433","authenticated-orcid":false,"given":"Vanessa","family":"Silva","sequence":"first","affiliation":[{"name":"Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Tr\u00e1s-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal"},{"name":"Department of Genetics and Biotechnology, University of Tr\u00e1s-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal"},{"name":"Functional Genomics and Proteomics Unit, University of Tr\u00e1s-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal"},{"name":"Associated Laboratory for Green Chemistry (LAQV-REQUIMTE), University NOVA of Lisboa, Lisboa, 2825-466 Caparica, Portugal"}]},{"given":"Ana","family":"Oliveira","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, University Lus\u00f3fona de Humanidades e Tecnologias, 1749-024 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7729-4199","authenticated-orcid":false,"given":"Vera","family":"Manageiro","sequence":"additional","affiliation":[{"name":"National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AMR\/HAI), Department of Infectious Diseases, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisbon, Portugal"},{"name":"Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto University, 4051-401 Oporto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2077-6231","authenticated-orcid":false,"given":"Manuela","family":"Cani\u00e7a","sequence":"additional","affiliation":[{"name":"National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AMR\/HAI), Department of Infectious Diseases, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisbon, Portugal"},{"name":"Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto University, 4051-401 Oporto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7513-9432","authenticated-orcid":false,"given":"Diogo","family":"Contente","sequence":"additional","affiliation":[{"name":"Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Tr\u00e1s-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9584-0755","authenticated-orcid":false,"given":"Rosa","family":"Capita","sequence":"additional","affiliation":[{"name":"Department of Food Hygiene and Technology, Veterinary Faculty, University of Le\u00f3n, E-24071 Le\u00f3n, Spain"},{"name":"Institute of Food Science and Technology, University of Le\u00f3n, E-24071 Le\u00f3n, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8688-0912","authenticated-orcid":false,"given":"Carlos","family":"Alonso-Calleja","sequence":"additional","affiliation":[{"name":"Department of Food Hygiene and Technology, Veterinary Faculty, University of Le\u00f3n, E-24071 Le\u00f3n, Spain"},{"name":"Institute of Food Science and Technology, University of Le\u00f3n, E-24071 Le\u00f3n, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1762-412X","authenticated-orcid":false,"given":"Isabel","family":"Carvalho","sequence":"additional","affiliation":[{"name":"Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Tr\u00e1s-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal"},{"name":"Department of Genetics and Biotechnology, University of Tr\u00e1s-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal"},{"name":"Functional Genomics and Proteomics Unit, University of Tr\u00e1s-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal"},{"name":"Associated Laboratory for Green Chemistry (LAQV-REQUIMTE), University NOVA of Lisboa, Lisboa, 2825-466 Caparica, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6276-8507","authenticated-orcid":false,"given":"Jos\u00e9 L.","family":"Capelo","sequence":"additional","affiliation":[{"name":"BIOSCOPE Group, LAQV@REQUIMTE, Chemistry Department, Faculty of Science and Technology, NOVA University of Lisbon, 2825-466 Almada, Portugal"},{"name":"Proteomass Scientific Society, 2825-466 Costa de Caparica, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6365-0735","authenticated-orcid":false,"given":"Gilberto","family":"Igrejas","sequence":"additional","affiliation":[{"name":"Department of Genetics and Biotechnology, University of Tr\u00e1s-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal"},{"name":"Functional Genomics and Proteomics Unit, University of Tr\u00e1s-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal"},{"name":"Associated Laboratory for Green Chemistry (LAQV-REQUIMTE), University NOVA of Lisboa, Lisboa, 2825-466 Caparica, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0925-689X","authenticated-orcid":false,"given":"Patr\u00edcia","family":"Poeta","sequence":"additional","affiliation":[{"name":"Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Tr\u00e1s-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal"},{"name":"Associated Laboratory for Green Chemistry (LAQV-REQUIMTE), University NOVA of Lisboa, Lisboa, 2825-466 Caparica, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2021,2,25]]},"reference":[{"key":"ref_1","first-page":"17","article-title":"Antibiotic Use and Resistance","volume":"5","author":"Syed","year":"2019","journal-title":"Int. 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