1
|
Stagg HEB, Guðmundsdóttir S, Vendramin N, Ruane NM, Sigurðardóttir H, Christiansen DH, Cuenca A, Petersen PE, Munro ES, Popov VL, Subramaniam K, Imnoi K, Waltzek TB, Olesen NJ. Characterization of ranaviruses isolated from lumpfish Cyclopterus lumpus L. in the North Atlantic area: proposal for a new ranavirus species ( European North Atlantic Ranavirus). J Gen Virol 2019; 101:198-207. [PMID: 31904317 DOI: 10.1099/jgv.0.001377] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The commercial production of lumpfish Cyclopterus lumpus L. is expanding with the increased demand for their use as cleaner fish, to control sea-lice numbers, at marine Atlantic salmon Salmo salar L. aquaculture sites throughout Northern Europe. A new ranavirus has been isolated from lumpfish at multiple locations in the North Atlantic area. First isolated in 2014 in the Faroe Islands, the virus has subsequently been found in lumpfish from Iceland in 2015 and from Scotland and Ireland in 2016. The Icelandic lumpfish ranavirus has been characterized by immunofluorescent antibody test, optimal growth conditions and transmission electron microscopy. Partial sequences of the major capsid protein gene from 12 isolates showed 99.79-100% nt identity between the lumpfish ranaviruses. Complete genome sequencing from three of the isolates and phylogenetic analysis based on the concatenated 26 iridovirus core genes suggest these lumpfish ranavirus isolates form a distinct clade with ranaviruses from cod Gadus morhua L. and turbot Scophthalmus maximus L. isolated in Denmark in 1979 and 1999, respectively. These data suggest that these viruses should be grouped together as a new ranavirus species, European North Atlantic Ranavirus, which encompasses ranaviruses isolated from marine fishes in European North Atlantic waters.
Collapse
Affiliation(s)
| | | | - Niccolò Vendramin
- Technical University of Denmark, National Institute of Aquatic Resources, Aquatic Animal Health Unit, Kgs. Lyngby, Denmark
| | - Neil M Ruane
- Fish Health Unit, Marine Institute, Galway, Ireland
| | | | - Debes H Christiansen
- National Reference Laboratory for Fish Diseases, Faroese Food and Veterinary Authority, Torshavn, Faroe Islands
| | - Argelia Cuenca
- Technical University of Denmark, National Institute of Aquatic Resources, Aquatic Animal Health Unit, Kgs. Lyngby, Denmark
| | - Petra E Petersen
- National Reference Laboratory for Fish Diseases, Faroese Food and Veterinary Authority, Torshavn, Faroe Islands
| | | | - Vsevolod L Popov
- Department of Pathology, Center for Biodefense and Emerging Infectious Diseases, Institute for Human Infections and Immunity, The University of Texas Medical Branch, Galveston, TX, USA
| | - Kuttichantran Subramaniam
- Department of Infectious Diseases and Immunology, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA
| | - Kamonchai Imnoi
- Department of Infectious Diseases and Immunology, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA
| | - Thomas B Waltzek
- Department of Infectious Diseases and Immunology, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA
| | - Niels Jørgen Olesen
- Technical University of Denmark, National Institute of Aquatic Resources, Aquatic Animal Health Unit, Kgs. Lyngby, Denmark
| |
Collapse
|