Prevalence and Virulence Gene Profiling of Listeria monocytogenes from Fish and Meat Samples from Aizawl, Mizoram

ISSN: 0973-7510

E-ISSN: 2581-690X

Research Article | Open Access

Prevalence and Virulence Gene Profiling of Listeria monocytogenes from Fish and Meat Samples from Aizawl, Mizoram

Dipika Malakar^1,3, Probodh Borah^2,3, Leena Das², Vabeiryureilai Mathipi¹, Christine Vanlalbiakdiki Sailo¹, Rupam Dutta², Naba K. Deka^3,4 and Nachimuthu Senthil Kumar¹

¹Department of Biotechnology, Mizoram University, Aizawl – 796 004, Mizoram, India.

²Department of Animal Biotechnology, College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India.

³Advanced State Biotech Hub, College of Veterinary Science, Assam Agricultural University, Khanapara, Assam, India.

⁴Department of Biotechnology, Gauhati University, Guwahati, Assam, India.

J Pure Appl Microbiol. 2020;14(2):1359-1365 | Article Number: 6265

https://doi.org/10.22207/JPAM.14.2.33 | © The Author(s). 2020

Received: 16/04/2020 | Accepted: 28/05/2020 | Published: 17/06/2020

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Abstract

This survey aimed to study the occurrence of Listeria species in fish and meat samples and characterization of their virulence genes. Over all, Listeria spp. was found in 25.22% samples out of which 9.0% and 16.21% were L. monocytogenes and L. innocua, respectively. L. monocytogenes (n=10) belonged to 4b, 4d and 4e serovars. All the isolates revealed presence of virulence genes- plcA and iap, while plcB gene was also present in 90% of the isolates. The occurrence of L. monocytogenes in samples shows cogent evidence for their zoonotic potential and has public health significance.

Keywords

Listeria spp., Prevalence, Serotypes, Virulence gene, Antimicrobials, Susceptibility

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