{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,10]],"date-time":"2026-11-10T18:40:50Z","timestamp":1794336050721,"version":"4.9.0"},"reference-count":35,"publisher":"Wiley","license":[{"start":{"date-parts":[[2021,1,25]],"date-time":"2021-01-25T00:00:00Z","timestamp":1611532800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["International Journal of Microbiology"],"published-print":{"date-parts":[[2021,1,25]]},"abstract":"<jats:p>The close contact between dogs and humans creates the best bridge for interspecies transmission of antimicrobial-resistant bacteria. The surveillance of its resistance including the detection of extended-spectrum beta-lactamases (ESBLs) in Escherichia coli as indicator bacteria is an important tool to control the use of antimicrobials. The aim of this research was to evaluate the E. coli resistance in strains by phenotypic methods, isolated from pet and stray dogs of La Plata city, Argentina. Faecal samples were collected using rectal swabs from 50 dogs with owners (home dogs\u2009=\u2009HD) and 50 homeless dogs (stray dogs\u2009=\u2009SD). They were cultured in 3 MacConkey agar plates, with and without antibiotics (ciprofloxacin and cefotaxime). 197 strains were isolated, of which only 95 strains were biochemically identified as E. coli, 46 strains were from HD, and 49 were from SD. Antimicrobial susceptibility was evaluated by the Kirby\u2013Bauer disk diffusion method. The most prevalent resistance was for tetracycline, streptomycin, and ampicillin. In both groups, the level of resistance to 3rd generation cephalosporins was high, and there were multiresistant strains. There was a higher level of antimicrobial resistance in strains from SD compared to HD. There were 8% of strains suspected of being ESBLs among samples of HD and 36% of SD. One (2%) of the strains isolated from HD and 11 (22%) from SD were phenotypically confirmed as ESBL. Pets and stray dogs are a potential source of E. coli antibiotic resistance in Argentina; therefore, its surveillance must be guaranteed.<\/jats:p>","DOI":"10.1155\/2021\/6664557","type":"journal-article","created":{"date-parts":[[2021,1,25]],"date-time":"2021-01-25T20:05:05Z","timestamp":1611605105000},"page":"1-8","source":"Crossref","is-referenced-by-count":46,"title":["Pet and Stray Dogs as Reservoirs of Antimicrobial-Resistant Escherichia coli"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2110-9481","authenticated-orcid":true,"given":"Laura","family":"Marchetti","sequence":"first","affiliation":[{"name":"Laboratorio de Estudios Farmacol\u00f3gicos y Toxicol\u00f3gicos (LEFyT), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, 60 y 118, 1900 La Plata, Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7772-2453","authenticated-orcid":true,"given":"Daniel","family":"Buldain","sequence":"additional","affiliation":[{"name":"Laboratorio de Estudios Farmacol\u00f3gicos y Toxicol\u00f3gicos (LEFyT), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, 60 y 118, 1900 La Plata, Argentina"},{"name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas CONICET, Buenos Aires, Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8958-0459","authenticated-orcid":true,"given":"Lihuel","family":"Gortari Castillo","sequence":"additional","affiliation":[{"name":"Laboratorio de Estudios Farmacol\u00f3gicos y Toxicol\u00f3gicos (LEFyT), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, 60 y 118, 1900 La Plata, Argentina"},{"name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas CONICET, Buenos Aires, Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6761-8372","authenticated-orcid":true,"given":"Andrea","family":"Buchamer","sequence":"additional","affiliation":[{"name":"Laboratorio de Estudios Farmacol\u00f3gicos y Toxicol\u00f3gicos (LEFyT), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, 60 y 118, 1900 La Plata, Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1004-6120","authenticated-orcid":true,"given":"Manuel","family":"Chirino\u2010Trejo","sequence":"additional","affiliation":[{"name":"Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Dr, Saskatoon SK S7N 5B4, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5580-428X","authenticated-orcid":true,"given":"Nora","family":"Mestorino","sequence":"additional","affiliation":[{"name":"Laboratorio de Estudios Farmacol\u00f3gicos y Toxicol\u00f3gicos (LEFyT), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, 60 y 118, 1900 La Plata, Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","reference":[{"key":"1","volume-title":"Reflection Paper on the Risk of Antimicrobial Resistance Transfer from Companion Animals","author":"European Medicines Agency (EMA)","year":"2015"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph10010278"},{"key":"3","volume-title":"Legislaci\u00f3n sobre antibi\u00f3ticos en Am\u00e9rica Latina","author":"Organizaci\u00f3n Panamericana de Salud [Internet]","year":"2004"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1136\/vr.162.14.436"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1128\/microbe.4.231.1"},{"issue":"4","key":"6","first-page":"957","article-title":"Public health risk of antimicrobial resistance transfers from companion animals","volume":"72","author":"C. 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