DAO 107:121-127 (2013)  -  DOI: https://doi.org/10.3354/dao02674

Atlantic salmon papillomatosis in Russia and molecular characterization of the associated herpesvirus

Andor Doszpoly1,*, Tatiana A. Karaseva2, Thomas B. Waltzek3, Ismail M. Kalabekov4, Igor S. Shchelkunov4

1Institute for Veterinary Medical Research, Centre for Agricultural Research, Hungarian Academy of Sciences, 1143 Budapest, Hungary
2Polar Research Institute of Marine Fisheries and Oceanography, 183763 Murmansk, Kola Peninsula, Russia
3Department of Infectious Diseases and Pathology, College of Veterinary Medicine, University of Florida, Gainesville, Florida 32611, USA
4All Russia Research Institute for Veterinary Virology and Microbiology, 601120 Pokrov, Russia

ABSTRACT: Papillomatosis of Atlantic salmon Salmo salar has been reported for decades in Russia, Scandinavia and Scotland. The disease is typically benign although heavy losses have occasionally been reported. A herpesviral etiology has been suggested based on ultrastructural evidence; however, the virus has not been isolated or genetically characterized. In this study, we provide the first viral sequences detected in the papillomas from diseased Russian Atlantic salmon. Phylogenetic analyses, based on the partial sequences of the herpesviral polymerase and terminase genes, supported the virus as a novel member of the genus Salmonivirus within the family Alloherpesviridae. The sequences of the Atlantic salmon papillomatosis virus differ markedly from those of the 3 known salmoniviruses; therefore, the authors propose the species designation Salmonid herpesvirus 4 to be considered for approval by the International Committee on Taxonomy of Viruses. 

KEY WORDS: Atlantic salmon papillomatosis · lloherpesviridae · Salmonivirus · Fish herpesvirus · PCR

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Cite this article as: Doszpoly A, Karaseva TA, Waltzek TB, Kalabekov IM, Shchelkunov IS (2013) Atlantic salmon papillomatosis in Russia and molecular characterization of the associated herpesvirus. Dis Aquat Org 107:121-127. https://doi.org/10.3354/dao02674

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