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Cancer pagurus Bacilliform Virus (CpBV)

Unassigned sp. from Family Baculoviridae. Virions measure 210nm, rod-shaped, enveloped. Bateman, K.S. and Stentiford, G.D. (2007) Cancer pagurus Bacilliform virus (CpBV) infecting juvenile european edible crabs (Cancer pagurus) from UK waters. Diseases of Aquatic Organisms, in press.

Mortalities unknown as newly emerged disease. No gross signs of infection.

Histological analysis reveals hypertrophied nuclei containing an eosinophilic finely granular matrix within the epithelial cells of hepatopancreatic tubules. Affected nuclei also displayed marginated chromatin with strands of chromatin traversing the nucleoplasm leading to apparent intra-nuclear compartmentalisation. Affected cells appeared singly or in clusters; cells with hypertrophied nuclei were consistently found to be storage or R cells The infection was not observed in regenerating epithelial (E), fibrillar (F) or blister (B) cells.

English Channel

U.K