{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T15:32:45Z","timestamp":1776353565934,"version":"3.51.2"},"reference-count":16,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2009,10,6]],"date-time":"2009-10-06T00:00:00Z","timestamp":1254787200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Basic Microbiol."],"published-print":{"date-parts":[[2009,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>ESBL\u2010producing <jats:italic>E. coli<\/jats:italic> isolates have been isolated from eight of seventy seven faecal samples (10.4%) of wild boars in Portugal. The ESBL types identified by PCR and sequencing were <jats:italic>bla<\/jats:italic><jats:sub>CTX\u2010M\u20101<\/jats:sub> (6 isolates) and <jats:italic>bla<\/jats:italic><jats:sub>CTX\u2010M\u20101<\/jats:sub> + <jats:italic>bla<\/jats:italic><jats:sub>TEM1\u2010b<\/jats:sub> (2 isolates). Further resistance genes detected included <jats:italic>tet<\/jats:italic> (A) or <jats:italic>tet<\/jats:italic> (B) (in three tetracycline\u2010resistant isolates), <jats:italic>aad<\/jats:italic> A (in three streptomycin\u2010resistant isolates), <jats:italic>cml<\/jats:italic> A (in one chloramphenicol\u2010resistant isolate), <jats:italic>sul<\/jats:italic> 1 and\/or <jats:italic>sul<\/jats:italic> 2 and\/or <jats:italic>sul<\/jats:italic> 3 (in all sulfonamide\u2010resistant isolates). The <jats:italic>intI<\/jats:italic> 1 gene encoding class 1 integrase was detected in all ESBL\u2010producing <jats:italic>E. coli<\/jats:italic> isolates. One isolate also carried the <jats:italic>intI<\/jats:italic> 2 gene, encoding class 2 integrase. The ESBL\u2010producing <jats:italic>E. coli<\/jats:italic> isolates could be assigned to phylogenetic groups B1 (3 isolates), B2 (3 isolates) or A (2 isolates). Amino acid change in GyrA protein (Ser83Leu or Asp87Tyr) was detected in three nalidixic acid\u2010resistant and ciprofloxacin\u2010susceptible isolates. Two amino acid changes in GyrA (Ser83Leu + Asp87Asn) and one in ParC (Ser80Ile) were identified in two nalidixic acid\u2010 and ciprofloxacin\u2010resistant isolates. As evidenced by this study wild boars could be a reservoir of antimicrobial resistance genes. (\u00a9 2009 WILEY\u2010VCH Verlag GmbH &amp; Co. KGaA, Weinheim)<\/jats:p>","DOI":"10.1002\/jobm.200900066","type":"journal-article","created":{"date-parts":[[2009,10,6]],"date-time":"2009-10-06T13:43:04Z","timestamp":1254836584000},"page":"584-588","source":"Crossref","is-referenced-by-count":84,"title":["Wild boars as reservoirs of extended\u2010spectrum beta\u2010lactamase (ESBL) producing <i>Escherichia coli<\/i> of different phylogenetic groups"],"prefix":"10.1002","volume":"49","author":[{"given":"Patr\u00edcia","family":"Poeta","sequence":"first","affiliation":[]},{"given":"Hajer","family":"Radhouani","sequence":"additional","affiliation":[]},{"given":"Lu\u00eds","family":"Pinto","sequence":"additional","affiliation":[]},{"given":"Ant\u00f3nio","family":"Martinho","sequence":"additional","affiliation":[]},{"given":"V\u00edtor","family":"Rego","sequence":"additional","affiliation":[]},{"given":"Rog\u00e9rio","family":"Rodrigues","sequence":"additional","affiliation":[]},{"given":"Alexandre","family":"Gon\u00e7alves","sequence":"additional","affiliation":[]},{"given":"Jorge","family":"Rodrigues","sequence":"additional","affiliation":[]},{"given":"Vanesa","family":"Estepa","sequence":"additional","affiliation":[]},{"given":"Carmen","family":"Torres","sequence":"additional","affiliation":[]},{"given":"Gilberto","family":"Igrejas","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2009,11,26]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.vetmic.2007.01.015"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-0691.2007.01848.x"},{"issue":"47","key":"e_1_2_1_4_2","first-page":"13","article-title":"Increasing prevalence of ESBL\u2010producing Enterobacteriaceae in Europe","volume":"20","author":"Coque T.M.","year":"2008","journal-title":"Euro. 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