{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T15:20:43Z","timestamp":1787239243642,"version":"build-2736575974"},"reference-count":45,"publisher":"Wiley","license":[{"start":{"date-parts":[[2014,1,1]],"date-time":"2014-01-01T00:00:00Z","timestamp":1388534400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100003141","name":"Consejo Nacional de Ciencia y Tecnolog\u00eda","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003141","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BioMed Research International"],"published-print":{"date-parts":[[2014]]},"abstract":"<jats:p>\n                    <jats:italic>E coli<\/jats:italic>\n                    isolates (108) from Mexican women, clinically diagnosed with urinary tract infection, were screened to identify virulence genes, phylogenetic groups, and antibiotic resistance. Isolates were identified by MicroScan4 system; additionally, the minimum inhibitory concentration (MIC) was assessed. The phylogenetic groups and 16 virulence genes encoding adhesins, toxins, siderophores, lipopolysaccharide (LPS), and invasins were identified by PCR. Phylogenetic groups distribution was as follows: B1 9.3%, A 30.6%, B2 55.6%, and D 4.6%. Virulence genes prevalence was\n                    <jats:italic>ecp<\/jats:italic>\n                    98.1%,\n                    <jats:italic>fimH<\/jats:italic>\n                    86.1%,\n                    <jats:italic>traT<\/jats:italic>\n                    77.8%,\n                    <jats:italic>sfa\/focDE<\/jats:italic>\n                    74.1%,\n                    <jats:italic>papC<\/jats:italic>\n                    62%,\n                    <jats:italic>iutA<\/jats:italic>\n                    48.1%,\n                    <jats:italic>fyuA<\/jats:italic>\n                    44.4%,\n                    <jats:italic>focG<\/jats:italic>\n                    2.8%,\n                    <jats:italic>sfaS<\/jats:italic>\n                    1.9%,\n                    <jats:italic>hlyA<\/jats:italic>\n                    7.4%,\n                    <jats:italic>cnf-<\/jats:italic>\n                    1 6.5%,\n                    <jats:italic>cdt-B<\/jats:italic>\n                    0.9%,\n                    <jats:italic>cvaC<\/jats:italic>\n                    2.8%,\n                    <jats:italic>ibeA<\/jats:italic>\n                    2.8%, and\n                    <jats:italic>rfc<\/jats:italic>\n                    0.9%. Regarding antimicrobial resistance it was above 50% to ampicillin\/sulbactam, ampicillin, piperacillin, trimethoprim\/sulfamethoxazole, ciprofloxacin, and levofloxacin. Uropathogenic\n                    <jats:italic>E. coli<\/jats:italic>\n                    clustered mainly in the pathogenic phylogenetic group B2. The isolates showed a high presence of siderophores and adhesion genes and a low presence of genes encoding toxins. The high frequency of\n                    <jats:italic>papC<\/jats:italic>\n                    gene suggests that these isolates have the ability to colonize the kidneys. High resistance to drugs considered as first choice treatment such as trimethoprim\/sulfamethoxazole and fluoroquinolones was consistently observed.\n                  <\/jats:p>","DOI":"10.1155\/2014\/959206","type":"journal-article","created":{"date-parts":[[2014,5,5]],"date-time":"2014-05-05T21:17:48Z","timestamp":1399324668000},"page":"1-10","source":"Crossref","is-referenced-by-count":55,"title":["Identification of Virulence Factors Genes in\n                    <i>Escherichia coli<\/i>\n                    Isolates from Women with Urinary Tract Infection in Mexico"],"prefix":"10.1155","volume":"2014","author":[{"given":"Daniela A.","family":"L\u00f3pez-Banda","sequence":"first","affiliation":[{"name":"Department of Ecology of Pathogen Agents, Hospital General \u201cDr. Manuel Gea Gonz\u00e1lez\u201d, 14080 Tlalpan, DF, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erika M.","family":"Carrillo-Casas","sequence":"additional","affiliation":[{"name":"Department of Molecular Biology and Histocompatibility, Hospital General \u201cDr. Manuel Gea Gonz\u00e1lez\u201d, 14080 Tlalpan, DF, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8162-7336","authenticated-orcid":true,"given":"Margarita","family":"Leyva-Leyva","sequence":"additional","affiliation":[{"name":"Department of Molecular Biology and Histocompatibility, Hospital General \u201cDr. Manuel Gea Gonz\u00e1lez\u201d, 14080 Tlalpan, DF, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gabriel","family":"Orozco-Hoyuela","sequence":"additional","affiliation":[{"name":"Institute of Cell Physiology, Universidad Nacional Aut\u00f3noma de M\u00e9xico, 04510 Coyoac\u00e1n, DF, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u00c1ngel H.","family":"Manjarrez-Hern\u00e1ndez","sequence":"additional","affiliation":[{"name":"Department of Public Health, Universidad Nacional Aut\u00f3noma de M\u00e9xico, 04510 Coyoac\u00e1n, DF, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sara","family":"Arroyo-Escalante","sequence":"additional","affiliation":[{"name":"Department of Molecular Biology and Histocompatibility, Hospital General \u201cDr. Manuel Gea Gonz\u00e1lez\u201d, 14080 Tlalpan, DF, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Moncada-Barr\u00f3n","sequence":"additional","affiliation":[{"name":"Clinical Laboratory, Hospital General \u201cDr. Manuel Gea Gonz\u00e1lez\u201d, 14080 Tlalpan, DF, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Silvia","family":"Villanueva-Recillas","sequence":"additional","affiliation":[{"name":"Clinical Laboratory, Hospital General \u201cDr. Manuel Gea Gonz\u00e1lez\u201d, 14080 Tlalpan, DF, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan","family":"Xicohtencatl-Cortes","sequence":"additional","affiliation":[{"name":"Department of Infectology, Hospital Infantil de M\u00e9xico \u201cFederico G\u00f3mez\u201d, 06720 Cuauht\u00e9moc, DF, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rigoberto","family":"Hern\u00e1ndez-Castro","sequence":"additional","affiliation":[{"name":"Department of Ecology of Pathogen Agents, Hospital General \u201cDr. Manuel Gea Gonz\u00e1lez\u201d, 14080 Tlalpan, DF, 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