Emergence of Salmonid Alphavirus Genotype 2 in Norway-Molecular Characterization of Viral Strains Circulating in Norway and Scotland.

ABSTRACT: Pancreas disease (PD) and sleeping disease (SD), caused by an alphavirus, are endemic in European salmonid aquaculture, causing significant mortality, reduced growth and poor flesh quality. In 2010, a new variant of salmonid alphavirus emerged in Norway, marine salmonid alphavirus genotype 2 (SAV2). As this genotype is highly prevalent in Scotland, transmission through well boat traffic was hypothesized as one possible source of infection. In this study, we performed full-length genome sequencing of SAV2 sampled between 2006 and 2012 in Norway and Scotland, and present the first comprehensive full-length characterization of Norwegian marine SAV2 strains. We analyze their relationship with selected Scottish SAV2 strains and explore the genetic diversity of SAV. Our results show that all Nor

SUBMITTER: Hjortaas MJ 

PROVIDER: S-EPMC8402823 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature