{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T23:10:59Z","timestamp":1792624259220,"version":"4.5.0"},"reference-count":44,"publisher":"American Society for Microbiology","issue":"4","license":[{"start":{"date-parts":[[2023,4,20]],"date-time":"2023-04-20T00:00:00Z","timestamp":1681948800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2023,4,20]],"date-time":"2023-04-20T00:00:00Z","timestamp":1681948800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"DOI":"10.13039\/501100001711","name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung","doi-asserted-by":"publisher","award":["192514"],"award-info":[{"award-number":["192514"]}],"id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Clin Microbiol"],"published-print":{"date-parts":[[2023,4,20]]},"abstract":"<jats:p>\n            <jats:named-content content-type=\"genus-species\">Klebsiella oxytoca<\/jats:named-content>\n            complex (\n            <jats:italic>Ko<\/jats:italic>\n            C) species may overproduce their chromosomal class A OXY \u03b2-lactamases, conferring reduced susceptibility to piperacillin-tazobactam, expanded-spectrum cephalosporins and aztreonam. Moreover, since clavulanate maintains its ability to inhibit these enzymes, the resulting resistance phenotype may falsely resemble the production of acquired extended-spectrum \u03b2-lactamases (ESBLs).\n          <\/jats:p>","DOI":"10.1128\/jcm.01706-22","type":"journal-article","created":{"date-parts":[[2023,3,13]],"date-time":"2023-03-13T14:18:25Z","timestamp":1678717105000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":11,"title":["Evaluation of Phenotypic Tests to Detect Extended-Spectrum \u03b2-Lactamase (ESBL)-Producing Klebsiella oxytoca Complex Strains"],"prefix":"10.1128","volume":"61","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1846-9857","authenticated-orcid":false,"given":"Edgar I.","family":"Campos-Madueno","sequence":"first","affiliation":[{"name":"Institute for Infectious Diseases, University of Bern, Bern, Switzerland"},{"name":"Graduate School of Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aline I.","family":"Moser","sequence":"additional","affiliation":[{"name":"Institute for Infectious Diseases, University of Bern, Bern, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter M.","family":"Keller","sequence":"additional","affiliation":[{"name":"Institute for Infectious Diseases, University of Bern, Bern, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5722-9445","authenticated-orcid":true,"given":"Vincent","family":"Perreten","sequence":"additional","affiliation":[{"name":"Institute of Veterinary Bacteriology, University of Bern, Bern, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5160-5286","authenticated-orcid":true,"given":"Laurent","family":"Poirel","sequence":"additional","affiliation":[{"name":"Medical and Molecular Microbiology, Department of Medicine, University of Fribourg, Fribourg, Switzerland"},{"name":"National Reference Center for Emerging Antibiotic Resistance (NARA), Fribourg, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1343-1622","authenticated-orcid":true,"given":"Patrice","family":"Nordmann","sequence":"additional","affiliation":[{"name":"Medical and Molecular Microbiology, Department of Medicine, University of Fribourg, Fribourg, Switzerland"},{"name":"National Reference Center for Emerging Antibiotic Resistance (NARA), Fribourg, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3186-5421","authenticated-orcid":true,"given":"Andrea","family":"Endimiani","sequence":"additional","affiliation":[{"name":"Institute for Infectious Diseases, University of Bern, Bern, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1128\/CMR.00006-21"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1128\/AEM.01435-19"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jgar.2021.01.008"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.01980-19"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.37201\/req\/019.2021"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jgar.2020.12.013"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.47.12.3739-3742.2003"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.00127-21"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1093\/ofid\/ofz353"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1099\/jmm.0.000057"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10096-022-04462-z"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.00724-21"},{"key":"e_1_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jgar.2021.03.027"},{"key":"e_1_3_3_15_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.02529-18"},{"key":"e_1_3_3_16_2","doi-asserted-by":"publisher","DOI":"10.4142\/jvs.2021.22.e17"},{"key":"e_1_3_3_17_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0090564"},{"key":"e_1_3_3_18_2","doi-asserted-by":"publisher","DOI":"10.3389\/fmicb.2018.01265"},{"key":"e_1_3_3_19_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.39.6.1365"},{"key":"e_1_3_3_20_2","doi-asserted-by":"publisher","DOI":"10.1089\/mdr.2009.0107"},{"key":"e_1_3_3_21_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.01988-06"},{"key":"e_1_3_3_22_2","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dkh112"},{"key":"e_1_3_3_23_2","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dkh274"},{"key":"e_1_3_3_24_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-0691.2011.03739.x"},{"key":"e_1_3_3_25_2","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dkh449"},{"key":"e_1_3_3_26_2","volume-title":"14th informational supplement M100-S14","author":"Anonymous","year":"2004","unstructured":"Anonymous. 2004. National Committee for Clinical Laboratory Standards (NCCLS). Performance Standards for Antimicrobial Susceptibility Testing. 14th informational supplement M100-S14."},{"key":"e_1_3_3_27_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.44.5.1659-1664.2006"},{"key":"e_1_3_3_28_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.diagmicrobio.2007.06.007"},{"key":"e_1_3_3_29_2","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dkv002"},{"key":"e_1_3_3_30_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.00609-21"},{"key":"e_1_3_3_31_2","doi-asserted-by":"publisher","DOI":"10.1186\/1471-2334-9-7"},{"key":"e_1_3_3_32_2","doi-asserted-by":"publisher","DOI":"10.3390\/antibiotics10091140"},{"key":"e_1_3_3_33_2","doi-asserted-by":"publisher","DOI":"10.4414\/smw.2021.20454"},{"key":"e_1_3_3_34_2","unstructured":"Anonymous. 2017. EUCAST guidelines for detection of resistance mechanisms and specific resistances of clinical and\/or epidemiological importance. Version 2.0."},{"key":"e_1_3_3_35_2","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dky453"},{"key":"e_1_3_3_36_2","first-page":"3230","article-title":"Phylogenetic lineages, clones and \u03b2-lactamases in an international collection of Klebsiella oxytoca isolates non-susceptible to expanded-spectrum cephalosporins","volume":"70","author":"Izdebski R","year":"2015","unstructured":"Izdebski R, Fiett J, Urbanowicz P, Baraniak A, Derde LP, Bonten MJ, Carmeli Y, Goossens H, Hryniewicz W, Brun-Buisson C, Brisse S, Gniadkowski M, Wp M, Groups WPS, Mosar Wp, Groups WPS. 2015. Phylogenetic lineages, clones and \u03b2-lactamases in an international collection of Klebsiella oxytoca isolates non-susceptible to expanded-spectrum cephalosporins. J Antimicrob Chemother 70:3230\u20133237.","journal-title":"J Antimicrob Chemother"},{"key":"e_1_3_3_37_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijid.2015.03.021"},{"key":"e_1_3_3_38_2","doi-asserted-by":"publisher","DOI":"10.1016\/s0732-8893(03)00041-5"},{"key":"e_1_3_3_39_2","doi-asserted-by":"publisher","DOI":"10.1038\/ja.2017.42"},{"key":"e_1_3_3_40_2","volume-title":"Performance Standards for Antimicrobial Susceptibility Testing.","author":"Anonymous; Clinical and Laboratory Standards Institutes (CLSI)","year":"2022","unstructured":"Anonymous; Clinical and Laboratory Standards Institutes (CLSI). 2022. Performance Standards for Antimicrobial Susceptibility Testing. 32nd ed CLSI supplement M100.","edition":"32"},{"key":"e_1_3_3_41_2","unstructured":"Anonymous. European Committee on Antimicrobial Susceptibility Testing (EUCAST). 2022. Breakpoints tables for interpretation of MICs and zone diameters. Version 12.0. https:\/\/www.eucast.org\/clinical_breakpoints."},{"key":"e_1_3_3_42_2","doi-asserted-by":"publisher","DOI":"10.1101\/cshperspect.a025247"},{"key":"e_1_3_3_43_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jgar.2019.07.003"},{"key":"e_1_3_3_44_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jgar.2022.01.016"},{"key":"e_1_3_3_45_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.43.4.850"}],"container-title":["Journal of Clinical Microbiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.asm.org\/doi\/pdf\/10.1128\/jcm.01706-22","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.asm.org\/doi\/pdf\/10.1128\/jcm.01706-22","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,4,20]],"date-time":"2023-04-20T13:02:54Z","timestamp":1681995774000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.asm.org\/doi\/10.1128\/jcm.01706-22"}},"subtitle":[],"editor":[{"given":"Patricia J.","family":"Simner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"editor"}]}],"short-title":[],"issued":{"date-parts":[[2023,4,20]]},"references-count":44,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2023,4,20]]}},"alternative-id":["10.1128\/jcm.01706-22"],"URL":"https:\/\/doi.org\/10.1128\/jcm.01706-22","relation":{},"ISSN":["0095-1137","1098-660X"],"issn-type":[{"value":"0095-1137","type":"print"},{"value":"1098-660X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,4,20]]},"assertion":[{"value":"2022-11-18","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2023-02-05","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2023-03-13","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e01706-22"}}