| 翻訳と辞書 |
| Megalocytivirus ： ウィキペディア英語版 |
Megalocytivirus
Megalocytivirus is one of five genera of viruses within the family Iridoviridae and one of three genera within this family which infect teleost fishes, along with Lymphocystivirus and Ranavirus. The megalocytiviruses are an emerging group of closely related dsDNA viruses which cause systemic infections in a wide variety of wild and cultured fresh and saltwater fishes. Megalocytivirus outbreaks are of considerable economic importance in aquaculture, as epizootics can result in moderate fish loss or mass mortality events of cultured fishes.〔Yanong RPE, Waltzek TB (2010). "Megalocytivirus infections in fish, with emphasis on ornamental species." University of Florida Institute of Food and Agricultural Sciences Extension FA182 1-7. http://edis.ifas.ufl.edu/fa182 http://edis.ifas.ufl.edu/pdffiles/FA/FA18200.pdf〕
== Taxonomy ==
The family Iridoviridae is divided into five genera which include Chloriridovirus, Iridovirus, Lymphocystivirus, Megalocytivirus, and Ranavirus. Megalocytivirus is the most recently added genus.〔Chinchar VG, Essbauer S, He JG, Hyatt A, Miyazaki T, Seligy V, Williams T (2005). "Family ''Iridoviridae'' 145-162. ''In'' Fauquet CM, Mayo MA, Maniloff J, Desselburger U, Ball LA (eds). ''Virus Taxonomy, Eighth report of the International Committee on Taxonomy of Viruses.'' Academic Press, San Diego, USA.〕 Megalocytivirus isolates exhibit relatively few genetic differences and have been divided into three major groups based on genetic sequence data; these groups are represented by infectious spleen and kidney necrosis virus (ISKNV), red sea bream iridovirus (RSIV), and turbot reddish body iridovirus (TRBIV).〔 RSIV and ISKNV are the best known of the megalocytiviruses.〔
Song, ''et al.'' evaluated 48 Asian and Australian megalocytivirus isolates with regard to geographic location and genetic variation in the major capsid protein gene and developed a phylogenetic tree which divided the 48 isolates into three distinct clusters based on genotype. One of these clusters (genotype I) is widely distributed among several Asian countries, including 13 isolates from Korea, nine isolates from Japan, one from Thailand, one from China, and one from the South China Sea.〔 In contrast, the other two genotypes had a smaller host range and were locally distributed.〔 Genotype II megalocytiviruses infected freshwater fishes from Southeast Asia and Australia, whereas genotype III megalocytiviruses infected primarily flatfish in China and Korea.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Megalocytivirus」の詳細全文を読む
スポンサード リンク
| 翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|