{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T02:02:38Z","timestamp":1790906558420,"version":"4.1.0"},"reference-count":34,"publisher":"SAGE Publications","issue":"12","license":[{"start":{"date-parts":[[2011,12,1]],"date-time":"2011-12-01T00:00:00Z","timestamp":1322697600000},"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":[[2011,12]]},"abstract":"<jats:p>\n                    <jats:italic toggle=\"yes\">Salmonella enteric<\/jats:italic>\n                    a is one of the most common bacterial causes of foodborne illness, and nontyphoidal\n                    <jats:italic toggle=\"yes\">Salmonella<\/jats:italic>\n                    is estimated to cause \u223c1.2 million illnesses in the United States each year. Plasmids are mobile genetic elements that play a critical role in the dissemination of antimicrobial resistance determinants. AmpC-type CMY \u03b2-lactamases (\n                    <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                    <jats:sub>CMY<\/jats:sub>\n                    ) confer resistance to extended-spectrum cephalosporins and \u03b2-lactam\/\u03b2-lactamase inhibitor combinations and are commonly plasmid-encoded. A variety of plasmids have been shown to encode CMY \u03b2-lactamases and certain plasmids may be associated with particular\n                    <jats:italic toggle=\"yes\">Salmonella<\/jats:italic>\n                    serotypes or environmental sources. In this study, we characterized\n                    <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                    <jats:sub>CMY<\/jats:sub>\n                    \u03b2-lactamase-encoding plasmids among\n                    <jats:italic toggle=\"yes\">Salmonella<\/jats:italic>\n                    isolates. Isolates of\n                    <jats:italic toggle=\"yes\">Salmonella<\/jats:italic>\n                    from specimens collected from humans in 2007 were submitted to the Centers for Disease Control and Prevention National Antimicrobial Resistance Monitoring System laboratory for susceptibility testing. Three percent (65\/2161) of\n                    <jats:italic toggle=\"yes\">Salmonella<\/jats:italic>\n                    isolates displayed resistance to ceftriaxone (minimum inhibitory concentration [MIC] \u22654\u2009mg\/L) and amoxicillin\/clavulanic acid (MIC \u226532\u2009mg\/L), a combination associated with the presence of a\n                    <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                    <jats:sub>CMY<\/jats:sub>\n                    mechanism of resistance. Sixty-four (98.5%) isolates were polymerase chain reaction-positive for\n                    <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                    <jats:sub>CMY<\/jats:sub>\n                    genes. Transformation and conjugation studies showed that 95% (61\/64) of the\n                    <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                    <jats:sub>CMY<\/jats:sub>\n                    genes were plasmid-encoded. Most of the\n                    <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                    <jats:sub>CMY<\/jats:sub>\n                    -positive isolates were serotype Typhimurium, Newport, Heidelberg, and Agona. Forty-three plasmids were replicon type IncA\/C, 15 IncI1, 2 contained multiple replicon loci, and 1 was untypeable. IncI1 plasmids conferred only the\n                    <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                    <jats:sub>CMY<\/jats:sub>\n                    -associated resistance phenotype, whereas IncA\/C plasmids conferred additional multi-drug resistance (MDR) phenotypes to drugs such as chloramphenicol, sulfisoxazole, and tetracycline. Most of the IncI1 plasmids (12\/15) were sequence type 12 by plasmid multi-locus sequence typing. CMY \u03b2-lactamase-encoding plasmids among human isolates of\n                    <jats:italic toggle=\"yes\">Salmonella<\/jats:italic>\n                    in the United States tended to be large MDR IncA\/C plasmids or single resistance determinant IncI1 plasmids. In general, IncI1 plasmids were identified among serotypes commonly associated with poultry, whereas IncA\/C plasmids were more likely to be identified among cattle\/beef-associated serotypes.\n                  <\/jats:p>","DOI":"10.1089\/fpd.2011.0944","type":"journal-article","created":{"date-parts":[[2011,9,1]],"date-time":"2011-09-01T17:32:56Z","timestamp":1314898376000},"page":"1289-1294","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":52,"title":["Characterization of\n                    <i>bla<\/i>\n                    <sub>CMY<\/sub>\n                    -Encoding Plasmids Among\n                    <i>Salmonella<\/i>\n                    Isolated in the United States in 2007"],"prefix":"10.1177","volume":"8","author":[{"given":"Jason P.","family":"Folster","sequence":"first","affiliation":[{"name":"Centers for Disease Control and Prevention","place":["Georgia"]},{"name":"IHRC, Inc.","place":["Georgia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gary","family":"Pecic","sequence":"additional","affiliation":[{"name":"Centers for Disease Control and Prevention","place":["Georgia"]},{"name":"IHRC, Inc.","place":["Georgia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andre","family":"McCullough","sequence":"additional","affiliation":[{"name":"Centers for Disease Control and Prevention","place":["Georgia"]},{"name":"IHRC, Inc.","place":["Georgia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Regan","family":"Rickert","sequence":"additional","affiliation":[{"name":"Centers for Disease Control and Prevention","place":["Georgia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jean M.","family":"Whichard","sequence":"additional","affiliation":[{"name":"Centers for Disease Control and Prevention","place":["Georgia"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2011,12]]},"reference":[{"key":"e_1_3_3_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.diagmicrobio.2009.08.011"},{"key":"e_1_3_3_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijantimicag.2007.07.031"},{"key":"e_1_3_3_4_1","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.00055-09"},{"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.46.5.1269-1272.2002"},{"key":"e_1_3_3_7_1","volume-title":"National Antimicrobial Resistance Monitoring System for Enteric Bacteria (NARMS): Enteric Bacteria Annual Report","author":"Centers for Disease Control and Prevention","year":"2009","unstructured":"Centers for Disease Control and Prevention National Antimicrobial Resistance Monitoring System for Enteric Bacteria (NARMS): Enteric Bacteria Annual Report, Atlanta, GA, 2009."},{"key":"e_1_3_3_8_1","volume-title":"Performance Standards for Antimicrobial Susceptibility Testing: Twenty-first Infromational Supplement. 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