{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T07:01:53Z","timestamp":1789455713750,"version":"build-2803163510"},"reference-count":21,"publisher":"American Society for Microbiology","issue":"6","license":[{"start":{"date-parts":[[2009,6,1]],"date-time":"2009-06-01T00:00:00Z","timestamp":1243814400000},"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":[[2009,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            A remarkable prevalence of\n            <jats:italic>qnrB<\/jats:italic>\n            (54%) and, at a lower level, of\n            <jats:italic>qnrS<\/jats:italic>\n            (14%) was discovered in pools of commensal enterobacteria from 310 healthy children living in Peru and Bolivia, using a metagenomic approach. Analysis of randomly selected enterobacterial pools revealed that\n            <jats:italic>qnrB<\/jats:italic>\n            was mainly carried by\n            <jats:italic>Escherichia coli<\/jats:italic>\n            and\n            <jats:italic>qnrS<\/jats:italic>\n            by\n            <jats:italic>Klebsiella pneumoniae<\/jats:italic>\n            . Investigation of 11\n            <jats:italic>qnrB<\/jats:italic>\n            -positive isolates and 9\n            <jats:italic>qnrS<\/jats:italic>\n            -positive isolates revealed the presence of plasmid-borne\n            <jats:italic>qnrB19<\/jats:italic>\n            (\n            <jats:italic>n<\/jats:italic>\n            = 8),\n            <jats:italic>qnrB2<\/jats:italic>\n            (\n            <jats:italic>n<\/jats:italic>\n            = 2),\n            <jats:italic>qnrB10<\/jats:italic>\n            (\n            <jats:italic>n<\/jats:italic>\n            = 1), and\n            <jats:italic>qnrS1<\/jats:italic>\n            (\n            <jats:italic>n<\/jats:italic>\n            = 9) genes.\n          <\/jats:p>","DOI":"10.1128\/aac.01722-08","type":"journal-article","created":{"date-parts":[[2009,4,14]],"date-time":"2009-04-14T00:33:44Z","timestamp":1239669224000},"page":"2632-2635","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":37,"title":["High Prevalence of\n            <i>qnr<\/i>\n            Genes in Commensal Enterobacteria from Healthy Children in Peru and Bolivia"],"prefix":"10.1128","volume":"53","author":[{"given":"Lucia","family":"Pallecchi","sequence":"first","affiliation":[{"name":"Dipartimento di Biologia Molecolare, Sezione di Microbiologia, Universita\u0300 di Siena"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eleonora","family":"Riccobono","sequence":"additional","affiliation":[{"name":"Dipartimento di Biologia Molecolare, Sezione di Microbiologia, Universita\u0300 di Siena"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonia","family":"Mantella","sequence":"additional","affiliation":[{"name":"Dipartimento Area Critica Medico Chirurgica, Clinica Malattie Infettive, Universita\u0300 di Firenze, Florence, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Filippo","family":"Bartalesi","sequence":"additional","affiliation":[{"name":"Dipartimento Area Critica Medico Chirurgica, Clinica Malattie Infettive, Universita\u0300 di Firenze, Florence, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samanta","family":"Sennati","sequence":"additional","affiliation":[{"name":"Dipartimento di Biologia Molecolare, Sezione di Microbiologia, Universita\u0300 di Siena"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Herlan","family":"Gamboa","sequence":"additional","affiliation":[{"name":"Distrito de Salud Cordillera, Departamento Santa Cruz, Camiri, Bolivia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eduardo","family":"Gotuzzo","sequence":"additional","affiliation":[{"name":"Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alessandro","family":"Bartoloni","sequence":"additional","affiliation":[{"name":"Dipartimento Area Critica Medico Chirurgica, Clinica Malattie Infettive, Universita\u0300 di Firenze, Florence, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gian Maria","family":"Rossolini","sequence":"additional","affiliation":[{"name":"Dipartimento di Biologia Molecolare, Sezione di Microbiologia, Universita\u0300 di Siena"},{"name":"Dipartimento dei Servizi, U. O. Microbiologia e Virologia, Azienda Ospedaliera-Universitaria Senese, Siena, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.3201\/eid1402.070138"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dkm204"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.00997-08"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1089\/mdr.2008.0821"},{"key":"e_1_3_2_6_2","unstructured":"M07-A8. 2009"},{"key":"e_1_3_2_7_2","unstructured":"Supplement M100-S19. 2009"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.3201\/eid1407.080132"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.3201\/eid1402.070573"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.00147-08"},{"key":"e_1_3_2_11_2","first-page":"655","year":"1994","unstructured":"Johnson, J. L. 1994. Similarity analysis of DNAs, p. 655-682. 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