{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T19:23:31Z","timestamp":1777922611078,"version":"3.51.4"},"reference-count":18,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2010,12,1]],"date-time":"2010-12-01T00:00:00Z","timestamp":1291161600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Microbial Drug Resistance"],"published-print":{"date-parts":[[2010,12]]},"abstract":"<jats:p>\n                    This study evaluates the efficacy of eight different cephalosporins for detection of cephalosporin resistance mediated by extended spectrum beta-lactamases (ESBL) and plasmidic AmpC beta-lactamases in\n                    <jats:italic toggle=\"yes\">Salmonella<\/jats:italic>\n                    and\n                    <jats:italic toggle=\"yes\">Escherichia coli<\/jats:italic>\n                    . A total of 138\n                    <jats:italic toggle=\"yes\">E. coli<\/jats:italic>\n                    and 86\n                    <jats:italic toggle=\"yes\">Salmonella<\/jats:italic>\n                    isolates with known beta-lactamase genes were tested for susceptibility toward cefoperazone, cefotaxime, cefpodoxime, cefquinome, ceftazidime, ceftiofur, ceftriaxone, and cefuroxime using minimum inhibitory concentration determinations and disc diffusion. The collection consisted of 84 ampicillin-susceptible, 57 ampicillin-resistant but cephalosporin-susceptible, 56 ESBL isolates and 19 isolates with plasmidic AmpC, as well as 10\n                    <jats:italic toggle=\"yes\">ampC<\/jats:italic>\n                    hyper-producing\n                    <jats:italic toggle=\"yes\">E. coli<\/jats:italic>\n                    . The minimum inhibitory concentration distributions and zone inhibitions varied with the tested compound. Ampicillin-resistant isolates showed reduced susceptibility to the cephalosporins compared to ampicillin-susceptible isolates. Cefoperazone, cefquinome, and cefuroxime were not useful in detecting isolates with ESBL or plasmidic AmpC. The best substances for detection were cefotaxime, cefpodoxime, and ceftriaxone, whereas ceftazidime and ceftiofur were not as efficient. Ceftriaxone may be the recommended substance for monitoring because of some ability in separating\n                    <jats:italic toggle=\"yes\">ampC<\/jats:italic>\n                    hyper-producing\n                    <jats:italic toggle=\"yes\">E. coli<\/jats:italic>\n                    from ESBL and plasmidic AmpC isolates.\n                  <\/jats:p>","DOI":"10.1089\/mdr.2010.0036","type":"journal-article","created":{"date-parts":[[2010,7,12]],"date-time":"2010-07-12T16:13:42Z","timestamp":1278951222000},"page":"253-261","source":"Crossref","is-referenced-by-count":32,"title":["Evaluation of Eight Different Cephalosporins for Detection of Cephalosporin Resistance in\n                    <i>Salmonella enterica<\/i>\n                    and\n                    <i>Escherichia coli<\/i>"],"prefix":"10.1177","volume":"16","author":[{"given":"Frank M.","family":"Aarestrup","sequence":"first","affiliation":[{"name":"Technical University of Denmark","place":["Denmark"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Henrik","family":"Hasman","sequence":"additional","affiliation":[{"name":"Technical University of Denmark","place":["Denmark"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kees","family":"Veldman","sequence":"additional","affiliation":[{"name":"Central Veterinary Institute of Wageningen UR (CVI)","place":["The Netherlands"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dik","family":"Mevius","sequence":"additional","affiliation":[{"name":"Central Veterinary Institute of Wageningen UR (CVI)","place":["The Netherlands"]},{"name":"Utrecht University","place":["The Netherlands"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2010,12]]},"reference":[{"key":"e_1_3_4_2_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1742-7843.2005.pto960401.x"},{"key":"e_1_3_4_3_2","doi-asserted-by":"publisher","DOI":"10.1089\/mdr.2006.12.192"},{"key":"e_1_3_4_4_2","doi-asserted-by":"crossref","first-page":"158","DOI":"10.1007\/BF01704610","article-title":"A new plasmidic cefotaximase from patients infected with Salmonella typhimurium","volume":"20","author":"Bauernfeind A.","year":"1992","unstructured":"Bauernfeind A., , Casellas J.M., , Goldberg M., , Holley M., , Jungwirth R., , Mangold P., , R\u00f6hnisch T., , Schweighart S., , Wilhelm R. 1992. A new plasmidic cefotaximase from patients infected with Salmonella typhimurium. Infection, 20:158\u2013163.","journal-title":"Infection"},{"key":"e_1_3_4_5_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.49.3.1262-1264.2005"},{"key":"e_1_3_4_6_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.49.2.833-835.2005"},{"key":"e_1_3_4_7_2","volume-title":"Approved standard. (M07-A7)","author":"[CLSI] Clinical and Laboratory Standards Institute","year":"2006","unstructured":"[CLSI] Clinical and Laboratory Standards Institute. 2006. Methods for Dilution Antimicrobial Susceptibility Tests for Bacteria that Grow Aerobically. 7th Approved standard. (M07-A7) CLSI: Wayne, PA.","edition":"7"},{"key":"e_1_3_4_8_2","volume-title":"Approved standard (M2-A9)","author":"[CLSI] Clinical and Laboratory Standards Institute","year":"2006","unstructured":"[CLSI] Clinical and Laboratory Standards Institute. 2006. Performance Standards for Antimicrobial Disk Susceptibility Tests. 9th Approved standard (M2-A9) CLSI: Wayne, PA.","edition":"9"},{"key":"e_1_3_4_9_2","volume-title":"Performance Standards for Antimicrobial Susceptibility Testing, 20th Informational Supplement (M100-S20)","author":"[CLSI] Clinical Laboratory Standards Institute","year":"2010","unstructured":"[CLSI] Clinical Laboratory Standards Institute. 2010. Performance Standards for Antimicrobial Susceptibility Testing, 20th Informational Supplement (M100-S20) CLSI: Wayne, PA."},{"key":"e_1_3_4_10_2","volume-title":"Communiqu\u00e9 2005","author":"Comit\u00e9 de l'Antibiogramme de la Soci\u00e9t\u00e9 Fran\u00e7aise de Microbiologie","year":"2005","unstructured":"Comit\u00e9 de l'Antibiogramme de la Soci\u00e9t\u00e9 Fran\u00e7aise de Microbiologie. 2005. Communiqu\u00e9 2005. Comit\u00e9 de l'Antibiogramme de la Soci\u00e9t\u00e9 Fran\u00e7aise de Microbiologie: Paris, France. (In French.)"},{"key":"e_1_3_4_11_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1198-743X.2004.00887.x"},{"key":"e_1_3_4_12_2","doi-asserted-by":"crossref","first-page":"522","DOI":"10.1111\/j.1469-0691.2008.02000.x","article-title":"Harmonised monitoring of antimicrobial resistance in Salmonella and Campylobacter isolates from food animals in the European Union","volume":"14","author":"European Food Safety Authority-Working Group on Developing Harmonised Schemes for Monitoring Antimicrobial Resistance in Zoonotic Agents","year":"2008","unstructured":"European Food Safety Authority-Working Group on Developing Harmonised Schemes for Monitoring Antimicrobial Resistance in Zoonotic Agents. 2008. Harmonised monitoring of antimicrobial resistance in Salmonella and Campylobacter isolates from food animals in the European Union. Clin. Microbiol. Infect., 14:522\u2013533.","journal-title":"Clin. Microbiol. Infect."},{"key":"e_1_3_4_13_2","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dki190"},{"key":"e_1_3_4_14_2","doi-asserted-by":"crossref","first-page":"2902","DOI":"10.1128\/JCM.42.7.2902-2906.2004","article-title":"Molecular characterization of extended-spectrum beta-lactamases produced by clinical isolates of Klebsiella pneumoniae and Escherichia coli from a Korean nationwide survey","volume":"42","author":"Jeong S.H.","year":"2004","unstructured":"Jeong S.H., , Bae I.K., , Lee J.H., , Sohn S.G., , Kang G.H., , Jeon G.J., , Kim Y.H., , Jeong B.C., , Lee S.H. 2004. Molecular characterization of extended-spectrum beta-lactamases produced by clinical isolates of Klebsiella pneumoniae and Escherichia coli from a Korean nationwide survey. J. Clin. Microbiol., 42:2902\u20132906.","journal-title":"J. Clin. Microbiol."},{"key":"e_1_3_4_15_2","article-title":"Laboratory detection & reporting of bacteria with extended-spectrum \u00df-lactamases","author":"Livermore D.M.","year":"2004","unstructured":"Livermore D.M. 2004. Laboratory detection & reporting of bacteria with extended-spectrum \u00df-lactamases. Health Protection Agency GuidelineRef. No. QSOP 51i2.2.","journal-title":"Health Protection Agency Guideline"},{"issue":"1","key":"e_1_3_4_16_2","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1093\/jac\/48.suppl_1.87","article-title":"Interpretative reading: recognizing the unusual and inferring resistance mechanisms from resistance phenotypes","volume":"48","author":"Livermore D.M.","year":"2001","unstructured":"Livermore D.M., , Winstanley T.G., , Shannon K.P. 2001. Interpretative reading: recognizing the unusual and inferring resistance mechanisms from resistance phenotypes. J. Antimicrob. Chemother, 48,Suppl 1:87\u2013102.","journal-title":"J. Antimicrob. 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