DAO 90:235-239 (2010)  -  DOI: https://doi.org/10.3354/dao02232

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Detection of megalocytivirus from imported tropical ornamental fish, paradise fish Macropodus opercularis

Wi-Sik Kim1, Myung-Joo Oh1, Jong-Oh Kim1, Duwoon Kim2, Chan-Hyeok Jeon3, Jeong-Ho Kim3,*

1Department of Aqualife Medicine, College of Fisheries and Ocean Science, Chonnam National University, Yeosu 550-749, South Korea
2Department of Food Science and Technology and Functional Food Research Center, Chonnam National University, Gwangju 500-757, South Korea
3Faculty of Marine Bioscience and Technology, Gangneung-Wonju National University, Gangneung, 210-702, South Korea
*Corresponding author. Email:

ABSTRACT: Megalocytivirus was detected from paradise fish Macropodus opercularis imported from Indonesia. Four of 11 fish (36%) in 2006 and 40 of 117 fish (34%) in 2008 were found to be PCR-positive for megalocytivirus. Phylogenetic analysis based on partial major capsid protein (MCP) gene nucleotide sequences revealed that the sequences detected in paradise fish were classified as Genotype II, which includes freshwater fish isolates from Southeast Asian countries, closely related to infectious spleen and kidney necrosis virus (ISKNV), Murray cod iridovirus (MCIV), and dwarf gourami iridovirus (DGIV-2004). Paradise fish was added as a new host for megalocytivirus based on this study.


KEY WORDS: Megalocytivirus · Paradise fish · Macropodus opercularis · Major capsid protein gene · MCP gene


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Cite this article as: Kim WS, Oh MJ, Kim JO, Kim D, Jeon CH, Kim JH (2010) Detection of megalocytivirus from imported tropical ornamental fish, paradise fish Macropodus opercularis. Dis Aquat Org 90:235-239. https://doi.org/10.3354/dao02232

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