alexa Abstract | Antiviral Activity of Marine Actinobacteria against Bovine Viral Diarrhea Virus, a Surrogate Model of the Hepatitis C Virus
E- ISSN: 2320 - 3528
P- ISSN: 2347 - 2286

Research & Reviews: Journal of Microbiology and Biotechnology
Open Access

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Research Article Open Access

Abstract

The Hepatitis C virus (Flaviviridae family, Hepacivirus genus) represents a major public health problem worldwide and it is responsible for chronic infections in humans, which can develop to liver cirrhosis and hepatocellular carcinoma. As this virus does not replicate efficiently in cell culture and in animals, bovine viral diarrhea virus (BVDV) is used as a surrogate model for screening assays of antiviral activity, and mechanism of action assays. From marine invertebrates and their microorganisms isolated, we prepared extracts and fractions, and we isolated substances for assessment of their possible antiviral activity. Of the 71 tested, seven were considered promising presenting protection percentage of more than 80%. The best inhibition results were obtained from the extracts produced by the Gordonia bacteria samples with 99.9% inhibition and by Micrococcus with 99% inhibition. Furthermore, most of the extracts selected by the protection percentage showed selectivity index values considered promising, especially the extracts of the bacteria Williansia (SI=27) and Brachybacterium (SI=39). On the action mechanism, most of the promising extracts showed activity in the inhibition of intracellular replication steps, although it has been observed action of different extracts in several stages of viral replicative cycle. Thus, various extracts stood out and may lead to the development of drugs that ensure an alternative therapy for the treatment of hepatitis C.

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Author(s): Juliana Cristina Santiago Bastos, Cláudia Beatriz Afonso de Menezes, Fabiana Fantinatti-Garboggini, Marina Aiello Padilla, Clarice Weis Arns, Luciana Konecny Kohn

Keywords

Hepatitis C Virus, Antiviral Agents, Marine Actinobacteria., Microbial Cell Biology,Microbial Ecology, Microbial Fuel Cells, Plant biology

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