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Detection and molecular characterization of betanodaviruses retrieved from bivalve molluscs.
Volpe, E; Grodzki, M; Panzarin, V; Guercio, A; Purpari, G; Serratore, P; Ciulli, S.
Afiliación
  • Volpe E; Department of Veterinary Medical Sciences, University of Bologna, Cesenatico, Forlì-Cesena, Italy.
  • Grodzki M; Department of Veterinary Medical Sciences, University of Bologna, Cesenatico, Forlì-Cesena, Italy.
  • Panzarin V; Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Padova, Italy.
  • Guercio A; Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy.
  • Purpari G; Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy.
  • Serratore P; Department of Veterinary Medical Sciences, University of Bologna, Cesenatico, Forlì-Cesena, Italy.
  • Ciulli S; Department of Veterinary Medical Sciences, University of Bologna, Cesenatico, Forlì-Cesena, Italy.
J Fish Dis ; 41(4): 603-611, 2018 Apr.
Article en En | MEDLINE | ID: mdl-29205402
Betanodaviruses are small ssRNA viruses responsible for viral encephalopathy and retinopathy, otherwise known as viral nervous necrosis, in marine fish worldwide. These viruses can be either horizontally or vertically transmitted and have been sporadically detected in invertebrates, which seem to be one of the possible viral sources. Twenty-eight new betanodavirus strains were retrieved in three molluscs species collected from different European countries between 2008 and 2015. The phylogenetic analyses revealed that strains retrieved from bivalve molluscs are closely related to viruses detected in finfish in Southern Europe in the period 2000-2009. Nevertheless, a new betanodavirus strain, markedly different from the other members of the RGNNV genotype, was detected. Such a massive and varied presence of betanodaviruses in bivalve molluscs greatly stresses the risks of transmission previously feared for other invertebrates. Bivalve molluscs reared in the same area as farmed and wild finfish could act as a reservoir of the virus. Furthermore, current European regulations allow relaying activities and the sale of live bivalve molluscs, which could pose a real risk of spreading betanodaviruses across different geographic regions. To our knowledge, this is the first study, which focuses on the detection and genetic characterization of betanodaviruses in bivalve molluscs.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bivalvos / Nodaviridae Tipo de estudio: Diagnostic_studies Límite: Animals País/Región como asunto: Europa Idioma: En Revista: J Fish Dis Asunto de la revista: BIOLOGIA / MEDICINA VETERINARIA Año: 2018 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bivalvos / Nodaviridae Tipo de estudio: Diagnostic_studies Límite: Animals País/Región como asunto: Europa Idioma: En Revista: J Fish Dis Asunto de la revista: BIOLOGIA / MEDICINA VETERINARIA Año: 2018 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Reino Unido