scholarly journals Presence of Homologous DNAs to M Gene RNA of Infectious Hematopoietic Necrosis Virus in Chum Salmon Oncorhynchus keta

2009 ◽  
Vol 44 (1) ◽  
pp. 24-32
Author(s):  
Kunio Suzuki ◽  
D. K. Sakai
Keyword(s):  
Chum Salmon ◽  
Infectious Hematopoietic Necrosis Virus ◽  
Oncorhynchus Keta ◽  
M Gene ◽  
Necrosis Virus ◽  
Chum Salmon Oncorhynchus Keta ◽  
Infectious Hematopoietic Necrosis

Viral Erythrocytic Necrosis: Some Physiological Consequences of Infection in Chum Salmon (Oncorhynchus keta)

1980 ◽  
Vol 37 (5) ◽  
pp. 799-804 ◽  
Author(s):  
John R. MacMillan ◽  
Dan Mulcahy ◽  
Marsha Landolt
Keyword(s):  
Electron Microscopy ◽  
Mortality Rate ◽  
Serum Sodium ◽  
Chum Salmon ◽  
Light And Electron Microscopy ◽  
Oxygen Depletion ◽  
Oncorhynchus Keta ◽  
Necrosis Virus ◽  
Chum Salmon Oncorhynchus Keta ◽  
Sodium And Potassium

Erythroid cells in chum salmon (Oncorhynchus keta) susceptible to infection with erythrocytic necrosis virus (ENV) were examined by light and electron microscopy. Cells of stages II, III, IV, V, and VI contained complete eyrthrocytic necrosis virions in the cytoplasm. Viruses closely resembling ENV were also detected in the nuclei of some erythroblasts. Some secondary consequences of ENV infection were a threefold greater mortality rate from vibriosis, a significantly decreased tolerance to oxygen depletion, and a decreased ability to regulate serum sodium and potassium in saltwater.Key words: viral erythrocytic necrosis, erythroblasts, pathogenesis

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