{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T07:56:32Z","timestamp":1792223792145,"version":"4.4.0"},"reference-count":46,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2024,9,21]],"date-time":"2024-09-21T00:00:00Z","timestamp":1726876800000},"content-version":"vor","delay-in-days":264,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Veterinary Medicine International"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:p>Enterobacteriaceae that produce extended\u2010spectrum <jats:italic>\u03b2<\/jats:italic>\u2010lactamases (ESBLs) can result in severe human infections, contributing to the development of complex diseases. <jats:italic>Klebsiella pneumoniae<\/jats:italic> is one of the ESBL\u2010producing pathogens that helps to set antimicrobial resistance as a major public health problem worldwide. The current study aimed to isolate, identify, and characterize ESBL\u2010producing <jats:italic>K. pneumoniae<\/jats:italic> and their antimicrobial resistance pattern in retail cattle meat samples. A comprehensive set of 225 cattle meat samples was gathered from 13 upazilas within the Sylhet district of Bangladesh. The bacterial isolates were obtained through biochemical and cultural techniques, and the identification of <jats:italic>K. pneumoniae<\/jats:italic> was accomplished using polymerase chain reactions (PCRs). Antimicrobial susceptibilities were assessed using disk diffusion in accordance with the Clinical and Laboratory Standards Institute (CLSI, 2020) guidelines. Genes encoding ESBL enzymes were detected by the double\u2010disk synergy test (DDST) and multiplex PCR. The overall prevalence of <jats:italic>Klebsiella<\/jats:italic> spp. was 28.89% (65\/225), whereas the positive percentage of <jats:italic>K. pneumoniae<\/jats:italic> was 59.2% (29\/49) confirmed by PCR. Antimicrobial resistance was observed against 12 antibiotics. According to the phenotypic resistance pattern determined through the disk diffusion method, all isolates (100%) were resistant to ampicillin, amoxicillin, cefuroxime, cefotaxime, and colistin. On the other hand, the highest susceptibility was observed towards gentamicin (97.95%), followed by ciprofloxacin (85.71%), tetracycline (83.67%), and trimethoprim\u2010sulfamethoxazole (81.63%). Out of the total <jats:italic>K. pneumoniae<\/jats:italic> isolates analyzed, ESBL genes were present, and the highest percentage, 82.8% (24\/29), tested positive for <jats:italic>b<\/jats:italic><jats:italic>l<\/jats:italic><jats:italic>a<\/jats:italic><jats:sub>TEM<\/jats:sub> genes. Interestingly, among the nine ESBL genes, six were identified in <jats:italic>K. pneumoniae<\/jats:italic> isolates, except for <jats:italic>b<\/jats:italic><jats:italic>l<\/jats:italic><jats:italic>a<\/jats:italic><jats:sub>OXA,<\/jats:sub>\u2009<jats:italic>b<\/jats:italic><jats:italic>l<\/jats:italic><jats:italic>a<\/jats:italic><jats:sub>CTX\u2010M\u2010grp2<\/jats:sub>, and <jats:italic>M<\/jats:italic><jats:italic>u<\/jats:italic><jats:italic>l<\/jats:italic><jats:italic>t<\/jats:italic><jats:italic>i<\/jats:italic><jats:italic>C<\/jats:italic><jats:italic>a<\/jats:italic><jats:italic>s<\/jats:italic><jats:italic>e<\/jats:italic><jats:sub>DHA<\/jats:sub>. The study\u2019s results reveal the presence of extended\u2010spectrum <jats:italic>\u03b2<\/jats:italic>\u2010lactamase (ESBL)\u2010producing multidrug\u2010resistant (MDR) <jats:italic>K. pneumoniae<\/jats:italic> in retail cattle meat samples posing a substantial public health threat.<\/jats:p>","DOI":"10.1155\/2024\/3952504","type":"journal-article","created":{"date-parts":[[2024,9,21]],"date-time":"2024-09-21T11:05:35Z","timestamp":1726916735000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Molecular Epidemiology and Antimicrobial Resistance of Extended\u2010Spectrum <i>\u03b2<\/i>\u2010Lactamase (ESBL)\u2010Producing <i>Klebsiella pneumoniae<\/i> in Retail Cattle Meat"],"prefix":"10.1155","volume":"2024","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-2040-0618","authenticated-orcid":false,"given":"Nasrin Akter","family":"Liza","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9785-2549","authenticated-orcid":false,"given":"Hemayet","family":"Hossain","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0210-6581","authenticated-orcid":false,"given":"Md. 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