1. Factores de virulencia en cepas de Listeria monocytogenes aisladas de carne de cerdo .
- Author
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Iván, Natividad-Bonifacio, Carlos R., Vázquez-Quiñones, Elsa I., Quiñones-Ramírez, and Carlos, Vázquez-Salinas
- Subjects
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LISTERIA monocytogenes , *RAW foods , *FOOD contamination , *RAW milk , *FOOD chains , *MEAT , *MEXICANS - Abstract
Listeria monocytogenes is mainly transmitted by contaminated food like raw milk, fresh cheese, seafood and meat products. The related disease is called listeriosis and in Mexico, information about its incidence is scarce. Therefore, this research focus on its presence in food highly consumed by Mexican population. 70 raw pork meat samples were analyzed following BAM-FDA methodology. Tough 20 samples of L. monocytogenes were phenotypically isolated, only 8 were genotypically confirmed up to genre and species. Only one strain amplified prfA, acta, inlA, inlC and inIJ genes associated with listeriosis symptoms in humans. Yet it is unknown if this microorganism could harm a patient although it does not express all virulence factors. Presence of L. monocytogenes could be a potential risk if pork meat is consumed, manipulation all along commercial food chain is broken or if good hygiene practises are not carried out [ABSTRACT FROM AUTHOR]
- Published
- 2023