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Please use this identifier to cite or link to this item: http://dspace.mediu.edu.my:8181/xmlui/handle/10261/4288
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dc.contributorFundación para el Fomento en Asturias de la Investigación Científica Aplicada y la Tecnología-
dc.contributorConsejo Superior de Investigaciones Científicas (España)-
dc.contributorMinisterio de Educación y Ciencia (España)-
dc.creatorMargolles Barros, Abelardo-
dc.creatorMayo Pérez, Baltasar-
dc.creatorGonzález de los Reyes-Gavilán, Clara-
dc.date2008-05-15T12:36:53Z-
dc.date2008-05-15T12:36:53Z-
dc.date1998-
dc.date.accessioned2017-01-31T01:20:10Z-
dc.date.available2017-01-31T01:20:10Z-
dc.identifierJournal of Applied Microbiology 84, 255-262 (1998)-
dc.identifierhttp://hdl.handle.net/10261/4288-
dc.identifier10.1046/j.1365-2672.1998.00339.x-
dc.identifier.urihttp://dspace.mediu.edu.my:8181/xmlui/handle/10261/4288-
dc.descriptionThirty isolates of Listeria monocytogenes and 18 of L. innocua obtained from different short-ripened cheeses manufactured in Asturias (northern Spain), were compared with each other and with reference strains using serotype, phage type and pulsed-field restriction endonuclease digestion profiles analysis of the total DNA. Restriction enzymes ApaI and SmaI defined five clusters in L. monocytogenes (m1 to m5) and two main clusters in L. innocua (i1 and i2). Cluster i2 was further arranged into three subclusters (i2a, i2b and i2c) based on the different Eco52I (XmaIII) and Crf42I (SacII) patterns of its isolates. Clusters of L. innocua were clearly different whereas those of L. monocytogenes were more closely related to each other. In this latter species, serotype 4b isolates (m4 and m5) constituted a more homogeneous group than serogroup 1 isolates (m1, m2 and m3). Cluster m3 contained two strains of serotype 1/2a whereas m1 and m2 harboured strains of both serotypes, 1/2a and 1/2b. Therefore, the combined use of restriction patterns and serotype may be useful to differentiate L. monocytogenes strains showing identical restriction profiles but differing in serotype. The cheese source of Listeria strains proved that isolates from cluster m1 were repeatedly detected as a contaminant in the same type of cheese. Comparison of L. monocytogenesApaI profiles showed a genetic proximity of m4 and m5 to the recognized pathogenic strains ATCC 13932 and NCTC 11994, responsible for meningitis cases in other countries. Finally, bacteriophage typing data indicated that m4, the sole phage typable group, had a phage type resembling that of strains causing the Auckland (New Zealand) outbreak of listeriosis in 1969. These data suggest a wide distribution of closely related types which might cause, under several circumstances, sporadic cases of listeriosis-
dc.descriptionThis work was supported by the Comisión Interministerial de Ciencia y Tecnología grant ALI93-0114 from the Ministerio de Educación y Ciencia (Spain). A. Margolles was the recipient of a predoctoral fellowship from the Fundación para la Investigación Científica y Técnica (Asturias, Spain) and B. Mayo was supported by a contract of the CSIC (Contrato de Incorporación de Doctores a equipos de Investigación en España)-
dc.descriptionPeer reviewed-
dc.format304403 bytes-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherSociety for Applied Microbiology-
dc.rightsopenAccess-
dc.subjectListeria monocytogenes-
dc.subjectListeria innocua-
dc.subjectCheeses-
dc.titlePolymorphism of Listeria monocytogenes and Listeria innocua strains isolated from short-ripened cheeses-
dc.typeArtículo-
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