{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T12:54:48Z","timestamp":1791204888397,"version":"4.1.0"},"reference-count":70,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T00:00:00Z","timestamp":1786406400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T00:00:00Z","timestamp":1786406400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Veterinary Medicine &amp;amp; Sci"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    The presence of multidrug\u2010resistant extraintestinal pathogenic\n                    <jats:italic>Escherichia coli<\/jats:italic>\n                    (ExPEC) in pets poses a significant threat to animal health and represents a potential source of antimicrobial resistance with zoonotic transmission to humans. A total of 56 pyometra swab samples from dogs were analysed for the presence of\n                    <jats:italic>E. coli<\/jats:italic>\n                    using standard microbiological procedures. Phylogrouping of the\n                    <jats:italic>E. coli<\/jats:italic>\n                    isolates was performed using the quadruplex, and 12 virulence genes were detected by single polymerase chain reaction (PCR) method. Antimicrobial susceptibility testing was conducted against 12 antimicrobial agents in five different classes using the Kirby\u2013Bauer disc diffusion method.\n                    <jats:italic>E. coli<\/jats:italic>\n                    was isolated from all 56 swab samples of pyometra cases using 5% ovine blood agar and MacConkey agar, and identified with Eosin Methylene Blue agar, Methyl Red and Voges\u2013Proskauer tests.\n                    <jats:italic>fimH<\/jats:italic>\n                    was found in all strains. The most common virulence genes were\n                    <jats:italic>fyuA<\/jats:italic>\n                    (96.4%),\n                    <jats:italic>usp<\/jats:italic>\n                    (83.9%),\n                    <jats:italic>sfa<\/jats:italic>\n                    (73.2%),\n                    <jats:italic>hlyA<\/jats:italic>\n                    (69.6%),\n                    <jats:italic>cnf1<\/jats:italic>\n                    (69.6%),\n                    <jats:italic>pap<\/jats:italic>\n                    GIII (64.2%), and\n                    <jats:italic>papC<\/jats:italic>\n                    (58.9%). The least common virulence gene was\n                    <jats:italic>iucD<\/jats:italic>\n                    ,while none of the strains carried\n                    <jats:italic>afa<\/jats:italic>\n                    and\n                    <jats:italic>pap<\/jats:italic>\n                    G allelic variants (\n                    <jats:italic>pap<\/jats:italic>\n                    GI and II). A total of 83.9% of isolates belonged to phylogenetic group B2. All isolates were resistant to amoxicillin\/clavulanic acid, ampicillin and lincomycin but sensitive to amikacin. The multidrug resistance (MDR) rate was 58.9% (33\/56 isolates). MDR and multiple antibiotic resistance index (MARI) scores were similar between the groups (\n                    <jats:italic>p<\/jats:italic>\n                    &gt; 0.05). The phylogenetic analysis revealed that resistant isolates were found across all detected phylogroups, with strains from different phylogroups sharing the same virulence genes.\n                    <jats:italic>E. coli<\/jats:italic>\n                    from pyometra cases in companion animals is largely associated with resistance and possesses virulence genes enabling efficient colonization and carriage.\n                  <\/jats:p>","DOI":"10.1002\/vms3.71171","type":"journal-article","created":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T15:37:46Z","timestamp":1786462666000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Characterization of Phylogroups, Virulence Factors and Antimicrobial Resistance in Canine Pyometra\u2010associated\n                    <i>Escherichia coli<\/i>"],"prefix":"10.1002","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9180-5768","authenticated-orcid":false,"given":"\u0130nci Ba\u015fak","family":"M\u00fc\u015ftak","sequence":"first","affiliation":[{"name":"Faculty of Veterinary Medicine, Department of Microbiology Ankara University  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0039-5597","authenticated-orcid":false,"given":"Murat Onur","family":"Yazl\u0131k","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, Department of Obstetrics and Gynecology Ankara University  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beyza Nur","family":"\u015eitvan","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, Department of Microbiology Ankara University  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hamit Kaan","family":"M\u00fc\u015ftak","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, Department of Microbiology Ankara University  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4805-0993","authenticated-orcid":false,"given":"Ufuk","family":"Kaya","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, Department of Biostatistics Hatay Mustafa Kemal University  Hatay Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,8,11]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1155\/2014\/979584"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1086\/514217"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1038\/nrmicro3380"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/rda.13101"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-1135(03)00063-4"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1128\/AEM.66.10.4555-4558.2000"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/1758-2229.12019"},{"key":"e_1_2_12_9_1","volume-title":"Performance Standards for Antimicrobial Susceptibility Testing, 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