{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T11:04:41Z","timestamp":1785582281364,"version":"3.56.0"},"reference-count":55,"publisher":"Instituto Nacional de Salud (Colombia)","issue":"Sp. 2","license":[{"start":{"date-parts":[[2021,10,15]],"date-time":"2021-10-15T00:00:00Z","timestamp":1634256000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["revistabiomedica.org"],"crossmark-restriction":false},"short-container-title":["biomedica"],"abstract":"<jats:p>Introducci\u00f3n. Listeria monocytogenes es un pat\u00f3geno transmitido por alimentos que causa infecciones en humanos, entre ellas, meningitis, meningoencefalitis y septicemias, as\u00ed como abortos. Con la tipificaci\u00f3n serol\u00f3gica se han identificado 13 serotipos, siendo el 4b el causante de la mayor\u00eda de los brotes en el mundo.Objetivo. Determinar la frecuencia y la distribuci\u00f3n de los serotipos y subtipos moleculares de L. monocytogenes aislados de alimentos en Colombia entre el 2010 y el 2018.Materiales y m\u00e9todos. Se hizo un estudio descriptivo y retrospectivo a partir del an\u00e1lisis de 2.420 aislamientos que fueron identificados como L. monocytogenes y otras especies, por medio de pruebas bioqu\u00edmicas, serol\u00f3gicas y de subtipificaci\u00f3n molecular mediante electroforesis en gel de campo pulsado (PFGE).Resultados. De los 2.420 aislamientos recibidos, 2.326 fueron confirmados como L. monocytogenes. Los serotipos encontrados fueron: 4b (52 %), 4d-4e (14,5 %), 1\/2a (11 %), 1\/2c (9,4 %), 1\/2b (9 %), y 3a, 3b, 3c, 4c, 4d, 4e y 7 (menos de 2 %). Proced\u00edan de Bogot\u00e1 (43 %), Antioquia (25 %), Valle (10 %), Nari\u00f1o (9 %) y otros departamentos (7 %). La caracterizaci\u00f3n genot\u00edpica agrup\u00f3 los aislamientos evaluados en 167 patrones de PFGE; los perfiles m\u00e1s frecuentes se presentaron en productos l\u00e1cteos, c\u00e1rnicos y alimentos preparados.Conclusi\u00f3n. El 96,1 % de los aislamientos correspondieron a L. monocytogenes, con una buena concordancia entre el aislamiento y la identificaci\u00f3n; el serotipo 4b, extremadamente virulento, fue el m\u00e1s frecuente. El an\u00e1lisis molecular evidenci\u00f3 la posible diseminaci\u00f3n y permanencia en el tiempo de varios serotipos, lo que resalta la importancia de incluir este pat\u00f3geno en los programas de vigilancia epidemiol\u00f3gica en alimentos.<\/jats:p>","DOI":"10.7705\/biomedica.6152","type":"journal-article","created":{"date-parts":[[2021,9,6]],"date-time":"2021-09-06T16:43:07Z","timestamp":1630946587000},"page":"165-179","update-policy":"https:\/\/doi.org\/10.7705\/crossmark","source":"Crossref","is-referenced-by-count":4,"title":["Distribuci\u00f3n y caracterizaci\u00f3n fenot\u00edpica y genot\u00edpica de Listeria monocytogenes en aislamientos de alimentos, Colombia, 2010-2018"],"prefix":"10.7705","volume":"41","author":[{"given":"Ana Isabel","family":"Mu\u00f1oz","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5537-1923","authenticated-orcid":false,"given":"Edna Catering","family":"Rodr\u00edguez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"4444","published-online":{"date-parts":[[2021,10,15]]},"reference":[{"key":"106412","doi-asserted-by":"crossref","unstructured":"V\u00e1squez-Boland JA, Kuhn M, Berche P, Chakraborty T, Dom\u00ednguez-Bernal G, Goebel W, et al. 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Int J Syst Evol Microbiol 2019;69:74-81. https:\/\/doi.org\/10.1099\/ijsem.0.003097","DOI":"10.1099\/ijsem.0.003097"},{"key":"106427","doi-asserted-by":"crossref","unstructured":"Quereda JJ, Leclercq A, Moura A, Vales G, G\u00f3mez-Mart\u00edn A, Garc\u00eda-Mu\u00f1oz A, et al. Listeria valentina sp. nov., isolated from a water trough and the faeces of healthy sheeps. Int J Syst Evol Microbiol. 2020;70:5868-79. https:\/\/doi.org\/10.1099\/ijsem.0.004494","DOI":"10.1099\/ijsem.0.004494"},{"key":"106428","doi-asserted-by":"crossref","unstructured":"Carlin CR, Liao J, Weller D, Gou X, Orsi R, Wiedmann M. Listeria cossartiae sp.nov., Listeria farberi sp. nov., Listeria immoviles sp.nov., Listeria portnoyi sp. nov., and Listeria rustica sp. nov., isolated from agricultural water and natural environments. Int J Syst Evol Microbiol. 2021;71:004795. https:\/\/doi.org\/10.1099\/ijsem.0.004795","DOI":"10.1099\/ijsem.0.004885"},{"key":"106429","doi-asserted-by":"crossref","unstructured":"Guillet C, Join-Lambert O, Le Monnier A, Leclercq A, Mecha\u00ef F, Manzer-Bruneel MF, et al. Human listeriosis caused by Listeria ivanovii. Emerg Infect Dis. 2010;16:136-8. https:\/\/doi.org\/10.3201\/eid1601.091155","DOI":"10.3201\/eid1601.091155"},{"key":"106430","doi-asserted-by":"crossref","unstructured":"Favaro M, Sarmati L, Sancesario G, Fontana C. First case of Listeria innocua meningitis in a patient on steroids and eternecept. JMM Case Rep. 2014:1. https:\/\/doi.org\/10.1099\/jmmcr.0.003103","DOI":"10.1099\/jmmcr.0.003103"},{"key":"106431","doi-asserted-by":"crossref","unstructured":"Mclntyre L, Wilcott L, Naus M. Listeriosis outbreaks in British Columbia, Canada, caused by soft ripened cheese contaminated from environmental sources. 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