Genetic relatedness of infectious hematopoietic necrosis virus (IHNV) from cultured salmonids in Korea

Infectious hematopoietic necrosis virus (IHNV; n  = 18) was identified in the Korean national surveillance program between February 2013 and April 2015, suggesting that IHNV is a major viral pathogen in cultured salmonids. By phylogeny analysis, we found that the JRt-Nagano and JRt-Shizuoka groups c...

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Bibliographic Details
Published in:Archives of virology 2016-08, Vol.161 (8), p.2305-2310
Main Authors: Kim, Kwang Il, Cha, Seung Joo, Lee, Chu, Baek, Harim, Hwang, Seong Don, Cho, Mi Young, Jee, Bo Young, Park, Myoung-Ae
Format: Article
Language:English
Subjects:
Amino Acid Sequence
Animals
Aquaculture
Biomedical and Life Sciences
Biomedicine
Brief Report
Disease control
Fish Diseases - virology
Fisheries
Genetic Variation
Genome, Viral
Genotype
Glycoproteins
Infectious Diseases
Infectious hematopoietic necrosis virus
Infectious hematopoietic necrosis virus - classification
Infectious hematopoietic necrosis virus - genetics
Infectious hematopoietic necrosis virus - isolation & purification
Medical Microbiology
Pathogens
Phylogenetics
Phylogeny
Proteins
Republic of Korea
Rhabdoviridae Infections - veterinary
Rhabdoviridae Infections - virology
Salmon
Salmonidae
Salmonidae - growth & development
Salmonidae - virology
Sequence Alignment
Trout
Viral Proteins - chemistry
Viral Proteins - genetics
Virology
Viruses
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Summary:Infectious hematopoietic necrosis virus (IHNV; n  = 18) was identified in the Korean national surveillance program between February 2013 and April 2015, suggesting that IHNV is a major viral pathogen in cultured salmonids. By phylogeny analysis, we found that the JRt-Nagano and JRt-Shizuoka groups could each be further subdivided into three distinct subtypes. The Korean strains were genetically similar to Japanese isolates, suggesting introduction from Japan. Interestingly, the amino acid sequences of the middle glycoprotein gene show that distinct Korean subtypes have circulated, indicating that the settled IHNVs might be evolved stably in cultured salmonid farm environments.
ISSN:0304-8608
1432-8798
DOI:10.1007/s00705-016-2913-9