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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Phytoreovirus ： ウィキペディア英語版 Phytoreovirus ''Phytoreovirus'' is a genus of viruses, in the family Reoviridae, in the subfamily Sedoreovirinae. They are non-turreted reoviruses that are major agricultural pathogens, particularly in Asia. Oryza sativa for RDV and RGDV, dicotyledonous for WTV, and leafhoppers serve as natural hosts. There are currently three species in this genus including the type species Wound tumor virus. Diseases associated with this genus include: WTV: galls (tumor). RDV: dwarf (or stunt) disease of rice. RGDV: dwarfing, stunting, and galls.〔(【引用サイトリンク】url=http://viralzone.expasy.org/all_by_species/628.html )〕〔(【引用サイトリンク】title=Virus Taxonomy: 2014 Release )〕 ==Classification== One member of this family, Rice Dwarf Virus (RDV), has been extensively studied by electron cryomicroscopy and x-ray crystallography. From these analyses, atomic models of the capsid proteins and a plausible model for capsid assembly have been derived. While the structural proteins of RDV share no sequence similarity to other proteins, their folds and the overall capsid structure are similar to those of other ''Reoviridae''.〔 Phytoreoviruses are unique among Reoviridae in that there are 12 dsRNA segments in each virus. Like all other Reoviridae, they contain their own RNA-dependent RNA polymerase, allowing for endogenous synthesis of viral mRNA within the virus. Although less well studied than orthoreovirus and orbivirus, considerable structural and biochemical studies have been undertaken to characterize phytoreoviruses, which in general infect plants. There are three recognized phytoreoviruses: wound tumour virus (WTV), rice dwarf virus (RDV) and rice gall dwarf virus (RGDV). Possible additional family members include tobacco leaf enation virus (TLEF), rice bunchy stunt virus and sweet potato virus (ICTV, VIDE). There are also several RDV isolates, all of which share over 90% sequence identity. Of these phytoreoviruses, RDV has been extensively studied and is the best characterized member. Most of our knowledge about phytoreovirus assembly and structure is based on structural data accumulated in RDV studies.〔 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「Phytoreovirus」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.