Prevalence, molecular characterization, genetic heterogeneity and antimicrobial resistance of Listeria monocytogenes associated with fish and fishery environment in Kerala, India

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dc.contributor.authorBasha, K.A.
dc.contributor.authorKumar, N.R.
dc.contributor.authorDas, V.
dc.contributor.authorReshmi, K.
dc.contributor.authorRao, B.M.
dc.contributor.authorLalitha, K.V.
dc.contributor.authorJoseph, T.C.
dc.date.accessioned2021-03-05T05:57:31Z
dc.date.available2021-03-05T05:57:31Z
dc.date.issued2019
dc.description.abstractThe prevalence of Listeria monocytogenes in the retail fish markets of the Kerala, India was investigated by screening 227 samples comprising of marine finfish (n = 97) shellfish (n = 19), ready-to-cook fish products (n = 47), ready-to-eat fish products (n = 10), dried fish (n = 11) and retail ice (n = 43). The prevalence of L. monocytogenes and L. innocua was 2 7% and 17 2% respectively. Sample category wise, prevalence of L. monocytogenes was higher in marine finfish (1 8%) and retail ice (0 9%). All the L. monocytogenes isolates carried virulent genes namely inlA, inlC, inlJ, hlyA, iap, plcA, prfA genes and majority (82%) belonged to 1/2a, 3a serogroups. L. monocytogenes isolates were multidrug-resistant and showed resistance to ampicillin, penicillin, erythromycin, tetracycline and clindamycin. Enterobacterial repetitive intergenic consensus-polymerase chain reaction (ERIC-PCR) delineated 58% genetic heterogeneity among the L. monocytogenes strains. The study reports that genetic similarities of the isolates were interlinked to their serogroup and sample origin.en_US
dc.identifier.citationdoi:10.1111/lam.13205en_US
dc.identifier.urihttp://drs.cift.res.in/handle/123456789/4748
dc.language.isoenen_US
dc.publisherSociety for Applied Microbiologyen_US
dc.subjectantimicrobial resistanceen_US
dc.subjectfishery productsen_US
dc.subjectListeriaen_US
dc.subjectListeria monocytogenesen_US
dc.subjectretail iceen_US
dc.subjectserogroupsen_US
dc.titlePrevalence, molecular characterization, genetic heterogeneity and antimicrobial resistance of Listeria monocytogenes associated with fish and fishery environment in Kerala, Indiaen_US
dc.typeArticleen_US
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