期刊
JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION
卷 23, 期 2, 页码 325-329出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/104063871102300221
关键词
Aquabirnavirus; aquarium fish; marine birnavirus; phylogeny; quarantine
资金
- Ministry of Education, Science and Technology [2009-0074437, KRF-2008-331-E00385]
- National Research Foundation of Korea [2009-0074437] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Aquabirnaviruses (ABVs) cause serious diseases in a variety of fish species used worldwide in aquaculture and have been isolated from a variety of healthy fish and shellfish species. The type species of ABV is Infectious pancreatic necrosis virus (IPNV), which is the causative agent of a highly contagious disease in juvenile salmonid fish. Marine birnaviruses (MABVs) have been isolated from various marine fish and shellfish. In Korea, ABV infection has been identified in several fish and shellfish. The current study presents sequence data from nested polymerase chain reaction products of 3 ABV strains obtained from different species of asymptomatic aquarium fish collected from a private commercial aquarium in Korea. Phylogenetic analysis of these strains, based on the partial nucleotide sequence of the VP2/NS junction, placed them within the genogroup VII (95-99% bootstrap confidence), which also contains MABV. The subclinically infected fish may be a source of MABV infection for other susceptible fish species inside the aquarium and potentially represent a serious challenge for the management of MABV infections. Additionally, the presence of MABV in these subclinically infected aquarium fish imported from other countries indicates that there is a need for the establishment of appropriate quarantine
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