{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T04:02:05Z","timestamp":1789531325255,"version":"build-2803163510"},"reference-count":34,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2014,2,1]],"date-time":"2014-02-01T00:00:00Z","timestamp":1391212800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Foodborne Pathogens and Disease"],"published-print":{"date-parts":[[2014,2]]},"abstract":"\n Contamination of retail meat with extended-spectrum \u03b2-lactamase (ESBL)\u2013producing\n Escherichia coli<\/jats:italic>\n has been reported, but only limited data have been documented in Japan. One hundred fifty-three retail foods including chicken meat, beef, pork, and vegetables were purchased from 29 supermarkets between January and October in 2010. ESBL producers were recovered from each food sample using McConkey agar plate supplemented with 1\u2009mg\/L of cefotaxime. ESBL type was identified by DNA sequencing analysis after polymerase chain reaction amplification. Antibiogram, O serotype, plasmid replicon type, pulsotype, and multilocus sequence type were also determined. Fifty-two epidemiologically unrelated\n Escherichia coli<\/jats:italic>\n isolates producing ESBL were recovered from 35 (22.9%) of 153 samples, all of which were chicken meat. ESBL types were mainly CTX-M-2 group followed by CTX-M-1 group and CTX-M-8 group. The numbers of bacterial isolates (8 of 21, 38.1%) harboring\n bla<\/jats:italic>\n CTX-M-8<\/jats:sub>\n recovered from imported meat samples were significantly larger than those of domestic ones (one of 31, 3.2%) (\n p<\/jats:italic>\n <0.05). Nine O serotypes (mainly O8, O25, and O1) were found, together with O-antigen untypable (OUT). Four\n E. coli<\/jats:italic>\n belonging to the O25b:H4-ST131 clone were recovered from domestic (\n n<\/jats:italic>\n =1) and imported meat samples (\n n<\/jats:italic>\n =3), respectively. These four isolates were susceptible to fluoroquinolones, although the\n E. coli<\/jats:italic>\n O25b:H4-ST131 clone producing CTX-M-15, which is predominant in human isolates, is usually resistant to fluoroquinolones. By contrast, five CTX-M-15-producing\n E. coli<\/jats:italic>\n strains were recovered only from domestic meat samples, and their serotypes were O8 or OUT instead of predominant serotype O25b. Our results showed that ESBL-producing\n E. coli<\/jats:italic>\n isolates recovered from retail chicken meat samples in Japan are generally divergent in both genetic and serological aspects. Further comparative analyses of\n bla<\/jats:italic>\n CTX-M<\/jats:sub>\n -mediating genetic elements would be continued in the next step to characterize the ESBL producers from retail foods in Japan.\n <\/jats:p>","DOI":"10.1089\/fpd.2013.1608","type":"journal-article","created":{"date-parts":[[2013,10,4]],"date-time":"2013-10-04T09:23:04Z","timestamp":1380878584000},"page":"104-110","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":58,"title":["Molecular Epidemiology of Extended-Spectrum \u03b2-Lactamases and\n Escherichia coli<\/i>\n Isolated from Retail Foods Including Chicken Meat in Japan"],"prefix":"10.1177","volume":"11","author":[{"given":"Kumiko","family":"Kawamura","sequence":"first","affiliation":[{"name":"Nagoya University Graduate School of Medicine","place":["Japan"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kensuke","family":"Goto","sequence":"additional","affiliation":[{"name":"Nagoya University Graduate School of Medicine","place":["Japan"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kunihiko","family":"Nakane","sequence":"additional","affiliation":[{"name":"Nagoya University Graduate School of Medicine","place":["Japan"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshichika","family":"Arakawa","sequence":"additional","affiliation":[{"name":"Nagoya University Graduate School of Medicine","place":["Japan"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2014,2,1]]},"reference":[{"key":"e_1_3_3_2_1","doi-asserted-by":"publisher","DOI":"10.1186\/1751-0147-53-52"},{"key":"e_1_3_3_3_1","doi-asserted-by":"publisher","DOI":"10.1128\/jcm.32.12.3013-3017.1994"},{"key":"e_1_3_3_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-0691.2007.01850.x"},{"key":"e_1_3_3_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.mimet.2005.03.018"},{"key":"e_1_3_3_6_1","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.01707-08"},{"key":"e_1_3_3_7_1","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.43.11.5483-5490.2005"},{"key":"e_1_3_3_8_1","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dkn084"},{"key":"e_1_3_3_9_1","volume-title":"Methods for Dilution Antimicrobial Susceptibility Tests for Bacteria That Grow Aerobically; Approved Standard","author":"[CLSI] Clinical and Laboratory Standards Institute","year":"2009","unstructured":"[CLSI] Clinical and Laboratory Standards Institute. Methods for Dilution Antimicrobial Susceptibility Tests for Bacteria That Grow Aerobically; Approved Standard, 8 th ed. Document M07-A8. Wayne, PA: CLSI, 2009a.","edition":"8"},{"key":"e_1_3_3_10_1","unstructured":"CLSI. Performance Standards for Antimicrobial Susceptibility Testing; 19th Informational Supplement. Document M100-S19. 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