{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T07:47:57Z","timestamp":1769500077570,"version":"3.49.0"},"reference-count":29,"publisher":"American Society for Microbiology","issue":"8","license":[{"start":{"date-parts":[[2007,8,1]],"date-time":"2007-08-01T00:00:00Z","timestamp":1185926400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Antimicrob Agents Chemother"],"published-print":{"date-parts":[[2007,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            The epidemiology of clavulanic acid-inhibited extended-spectrum \u03b2-lactamases (ESBLs) was investigated among infection-associated enterobacterial isolates at the University Hospital in Lausanne, Switzerland, from January 2004 to June 2005. Out of 57 nonrepetitive ESBL producers (prevalence rate of 0.7%), 45 produced CTX-M-like ESBLs. CTX-M enzymes were mostly from clonally nonrelated\n            <jats:italic>Escherichia coli<\/jats:italic>\n            isolates, from urinary infections and community-acquired infections. Pediatric patients (20 out of 57) accounted for a large number of CTX-M producers. CTX-M-15 was the most frequent CTX-M-type enzyme. The plasmid-located\n            <jats:italic>bla<\/jats:italic>\n            <jats:sub>CTX-M<\/jats:sub>\n            genes were associated with either IS\n            <jats:italic>Ecp1<\/jats:italic>\n            or IS\n            <jats:italic>CR1<\/jats:italic>\n            insertion sequences. This study is the first published report of CTX-M-type \u03b2-lactamases in Switzerland.\n          <\/jats:p>","DOI":"10.1128\/aac.01614-06","type":"journal-article","created":{"date-parts":[[2007,5,1]],"date-time":"2007-05-01T01:05:03Z","timestamp":1177981503000},"page":"2855-2860","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":66,"title":["Extended-Spectrum \u03b2-Lactamases of the CTX-M Type Now in Switzerland"],"prefix":"10.1128","volume":"51","author":[{"given":"Marie-Fre\u0301de\u0301rique","family":"Lartigue","sequence":"first","affiliation":[{"name":"Service de Bacte\u0301riologie-Virologie, Ho\u0302pital de Bice\u0302tre, Assistance Publique\/Ho\u0302pitaux de Paris, Faculte\u0301 de Me\u0301decine Paris-Sud, Universite\u0301 Paris Sud, 94275 K.-Bice\u0302tre, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Catherine","family":"Zinsius","sequence":"additional","affiliation":[{"name":"Service de Bacte\u0301riologie-Virologie, Ho\u0302pital de Bice\u0302tre, Assistance Publique\/Ho\u0302pitaux de Paris, Faculte\u0301 de Me\u0301decine Paris-Sud, Universite\u0301 Paris Sud, 94275 K.-Bice\u0302tre, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aline","family":"Wenger","sequence":"additional","affiliation":[{"name":"Institut de Microbiologie, Centre Hospitalier Universitaire Vaudois, CH1011 Lausanne, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jacques","family":"Bille","sequence":"additional","affiliation":[{"name":"Institut de Microbiologie, Centre Hospitalier Universitaire Vaudois, CH1011 Lausanne, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laurent","family":"Poirel","sequence":"additional","affiliation":[{"name":"Service de Bacte\u0301riologie-Virologie, Ho\u0302pital de Bice\u0302tre, Assistance Publique\/Ho\u0302pitaux de Paris, Faculte\u0301 de Me\u0301decine Paris-Sud, Universite\u0301 Paris Sud, 94275 K.-Bice\u0302tre, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patrice","family":"Nordmann","sequence":"additional","affiliation":[{"name":"Service de Bacte\u0301riologie-Virologie, Ho\u0302pital de Bice\u0302tre, Assistance Publique\/Ho\u0302pitaux de Paris, Faculte\u0301 de Me\u0301decine Paris-Sud, Universite\u0301 Paris Sud, 94275 K.-Bice\u0302tre, France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.01112-06"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.48.1.1-14.2004"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.40.11.4030-4036.2002"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijantimicag.2004.09.013"},{"key":"e_1_3_2_6_2","first-page":"130","year":"2006","unstructured":"Bruderer, T., M. 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