{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T15:48:28Z","timestamp":1787759308087,"version":"build-2784847793"},"reference-count":19,"publisher":"American Society for Microbiology","issue":"11","license":[{"start":{"date-parts":[[2000,11,1]],"date-time":"2000-11-01T00:00:00Z","timestamp":973036800000},"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":[[2000,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Ten unrelated\n            <jats:italic>Hafnia alvei<\/jats:italic>\n            clinical isolates were grouped according to either their low-level and inducible cephalosporinase production or their high-level and constitutive cephalosporinase production phenotype. Their AmpC sequences shared 85 to 100% amino acid identity. The immediate genetic environment of\n            <jats:italic>ampC<\/jats:italic>\n            genes was conserved in\n            <jats:italic>H. alvei<\/jats:italic>\n            isolates but was different from that found in other\n            <jats:italic>ampC<\/jats:italic>\n            -possessing enterobacterial species.\n          <\/jats:p>","DOI":"10.1128\/aac.44.11.3220-3223.2000","type":"journal-article","created":{"date-parts":[[2002,7,27]],"date-time":"2002-07-27T10:06:42Z","timestamp":1027764402000},"page":"3220-3223","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":30,"title":["Heterogeneity of AmpC Cephalosporinases of\n            <i>Hafnia alvei<\/i>\n            Clinical Isolates Expressing Inducible or Constitutive Ceftazidime Resistance Phenotypes"],"prefix":"10.1128","volume":"44","author":[{"given":"Delphine","family":"Girlich","sequence":"first","affiliation":[{"name":"<!--label omitted: 1-->Service de Bacte\u0301riologie-Virologie, Ho\u0302pital de Bice\u0302tre, Assistance Publique\/Ho\u0302pitaux de Paris, Faculte\u0301 de Me\u0301decine Paris-Sud, 94275 Le Kremlin-Bice\u0302tre, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thierry","family":"Naas","sequence":"additional","affiliation":[{"name":"<!--label omitted: 1-->Service de Bacte\u0301riologie-Virologie, Ho\u0302pital de Bice\u0302tre, Assistance Publique\/Ho\u0302pitaux de Paris, Faculte\u0301 de Me\u0301decine Paris-Sud, 94275 Le Kremlin-Bice\u0302tre, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuel","family":"Bellais","sequence":"additional","affiliation":[{"name":"<!--label omitted: 1-->Service de Bacte\u0301riologie-Virologie, Ho\u0302pital de Bice\u0302tre, Assistance Publique\/Ho\u0302pitaux de Paris, Faculte\u0301 de Me\u0301decine Paris-Sud, 94275 Le Kremlin-Bice\u0302tre, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laurent","family":"Poirel","sequence":"additional","affiliation":[{"name":"<!--label omitted: 1-->Service de Bacte\u0301riologie-Virologie, Ho\u0302pital de Bice\u0302tre, Assistance Publique\/Ho\u0302pitaux de Paris, Faculte\u0301 de Me\u0301decine Paris-Sud, 94275 Le Kremlin-Bice\u0302tre, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amal","family":"Karim","sequence":"additional","affiliation":[{"name":"<!--label omitted: 1-->Service de Bacte\u0301riologie-Virologie, Ho\u0302pital de Bice\u0302tre, Assistance Publique\/Ho\u0302pitaux de Paris, Faculte\u0301 de Me\u0301decine Paris-Sud, 94275 Le Kremlin-Bice\u0302tre, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrice","family":"Nordmann","sequence":"additional","affiliation":[{"name":"<!--label omitted: 1-->Service de Bacte\u0301riologie-Virologie, Ho\u0302pital de Bice\u0302tre, Assistance Publique\/Ho\u0302pitaux de Paris, Faculte\u0301 de Me\u0301decine Paris-Sud, 94275 Le Kremlin-Bice\u0302tre, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.42.9.2352"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.43.8.1924"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.37.2.153"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1042\/bj2500753"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.44.6.1470-1478.2000"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1021\/bi00357a069"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1348-0421.1998.tb02267.x"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1099\/00222615-41-3-209"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.90.23.11257"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.42.1.176"},{"key":"e_1_3_2_12_2","first-page":"85","article-title":"An extended-spectrum AmpC-type \u03b2-lactamase obtained by in-vitro antibiotic selection.","volume":"165","author":"Morosini M. 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