1887

Abstract

Since 1991, numerous herpesvirus infections associated with high mortality have been reported around the world in various marine bivalve species. In order to determine whether these infections are due to ostreid herpesvirus-1 (OsHV1), a previously characterized pathogen of the Japanese oyster (), PCR analysis was carried out on 30 samples of larvae collected from four bivalve species (, and), most exhibiting mortality prior to collection. All samples were shown to be infected by OsHV1. Viral genomes in three samples of and three of that originated from the same hatchery were unusual in bearing a deletion of at least 2·8 kbp in an inverted repeat region. The results demonstrate that OsHV1 is capable of infecting several bivalve species, and this raises the possibility that interspecies transmission may be promoted by intensive rearing in modern hatcheries.

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2001-04-01
2020-01-27
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