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http://krishi.icar.gov.in/jspui/handle/123456789/72783
Title: | Erythroid progenitor cells in Atlantic salmon (Salmo salar) may be persistently and productively infected with Piscine Orthoreovirus (PRV). |
Other Titles: | Not Available |
Authors: | Malik MS, Bjørgen H, Dhamotharan K, Wessel Ø, Koppang EO, Di-Cicco E, Hansen EF, Dahle MK, Rimstad E |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR: Central Institute of Fisheries Education |
Published/ Complete Date: | 2019-09-10 |
Project Code: | Not Available |
Keywords: | PRV-1; erythroid progenitor cells; persistence; piscine orthoreovirus. |
Publisher: | Not Available |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Piscine orthoreovirus (PRV-1) can cause heart and skeletal muscle inflammation (HSMI) in farmed Atlantic salmon (Salmo salar). The virus targets erythrocytes in the acute peak phase, followed by cardiomyocytes, before the infection subsides into persistence. The persistent phase is characterized by high level of viral RNA, but low level of viral protein. The origin and nature of persistent PRV-1 are not clear. Here, we analyzed for viral persistence and activity in various tissues and cell types in experimentally infected Atlantic salmon. Plasma contained PRV-1 genomic dsRNA throughout an 18-week long infection trial, indicating that viral particles are continuously produced and released. The highest level of PRV-1 RNA in the persistent phase was found in kidney. The level of PRV-1 ssRNA transcripts in kidney was significantly higher than that of blood cells in the persistent phase. In-situ hybridization assays confirmed that PRV-1 RNA was present in erythroid progenitor cells, erythrocytes, macrophages, melano-macrophages and in some additional un-characterized cells in kidney. These results show that PRV-1 establishes a productive, persistent infection in Atlantic salmon and that erythrocyte progenitor cells are PRV target cells. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Viruses |
Journal Type: | International |
NAAS Rating: | 9.82 |
Impact Factor: | 5.048 |
Volume No.: | 11(9) |
Page Number: | 824-830 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/72783 |
Appears in Collections: | FS-CIFE-Publication |
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