title: Distribution of marine birnavirus in cultured olive flounder Paralichthys olivaceus in Korea.
abstract: Surveys of marine birnavirus (MABV) were undertaken in cultured olive flounder Paralichthys olivaceus from the south and west coastal areas and Jeju in Korea during the period January 1999 to April 2007. MABV was detected in all seasons from the fry, juveniles and adult fish from the areas examined. Evident cytopathic effects of the virus including rounding and cell lysis were observed in chinook salmon embryo (CHSE-214) and rainbow trout gonad (RTG-2) cells, but not in fathead minnow (FHM) and epithelial papilloma of carp (EPC) cells. Nucleotide sequences of the VP2/NS junction region of the Korean isolates showed 97.8% ~ 100% similarity, and they belonged to the same genogroup. Cross neutralization tests with serotype-specific rabbit antisera against MABV strains exhibited a close antigenic relationships between strains, and were distinct from infectious pancreatic necrosis virus (IPNV) strains. Coinfection of MABV with bacteria (Streptococcus iniae, Vibrio spp.) and viruses (nervous necrosis virus, lymphocystis disease virus, viral hemorrhagic septicemia virus) was observed.
authors.affiliation: Department of Aqualife Medicine, Chonnam National University, Yeosu, Republic of Korea. sungju@chonnam.ac.kr
authors.forename: Sung-Ju
authors.initials: SJ
authors.lastname: Jung
authors.forename: Seok-Ryel
authors.initials: SR
authors.lastname: Kim
authors.forename: Il-Yong
authors.initials: IY
authors.lastname: Joung
authors.forename: Shin-Ichi
authors.initials: S
authors.lastname: Kitamura
authors.forename: Hee-Taek
authors.initials: HT
authors.lastname: Ceong
authors.forename: Myung-Joo
authors.initials: MJ
authors.lastname: Oh
mesh_terms: D000818:Animals; D019201:Aquabirnavirus / Q000145:classification / Q000235:genetics / Q000276:immunology / Q000302:isolation & purification*; D001483:Base Sequence; D018175:Birnaviridae Infections / Q000453:epidemiology / Q000662:veterinary* / Q000821:virology; D002460:Cell Line; D005393:Fish Diseases / Q000453:epidemiology / Q000821:virology*; D005412:Flatfishes / Q000821:virology*; D007723:Korea; D008969:Molecular Sequence Data; D009500:Neutralization Tests; D010802:Phylogeny; D016133:Polymerase Chain Reaction; D011817:Rabbits; D012623:Seawater / Q000821:virology*; D017422:Sequence Analysis, DNA; D012689:Sequence Homology, Nucleic Acid; D014764:Viral Proteins / Q000235:genetics / Q000276:immunology
chemical_list: D014764:Viral Proteins