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Biochemical analysis on the mechanisms of replication complex formation of positive-strand RNA viruses

Research Project

Project/Area Number 19041068
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionNational Institute of Agrobiological Sciences

Principal Investigator

ISHIKAWA Masayuki  National Institute of Agrobiological Sciences, 植物-微生物間相互作用研究ユニット, 上級研究員 (70192482)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥8,500,000 (Direct Cost: ¥8,500,000)
Fiscal Year 2008: ¥4,300,000 (Direct Cost: ¥4,300,000)
Fiscal Year 2007: ¥4,200,000 (Direct Cost: ¥4,200,000)
Keywordsウイルス / 複製 / 宿主因子 / RNA
Research Abstract

プラス鎖RNAウイルスの一種であるトマトモザイクウイルス(ToMV)のRNA 複製複合体前駆体を、脱液胞化植物プロトプラスト抽出液を用いた試験管内反応により形成させた。当該複合体の構成要素であるウイルス複製タンパク質に付したタグを利用して精製し、共精製された 宿主タンパク質を6種類同定した。対応する宿主遺伝子がノックアウトされたシロイヌナズナを構築し、ToMVの増殖を調べたが、いずれにおいても野生株と同様に増殖した。現在までのところ、これらの宿主タンパク質がToMV RNAの複製に関与することを積極的に示唆する結果は得られていない。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (14 results)

All 2009 2008 2007

All Journal Article (6 results) (of which Peer Reviewed: 2 results) Presentation (6 results) Book (2 results)

  • [Journal Article] Identification of an Arabidopsis thaliana protein that binds to tomato mosaic virus genomic RNA and inhibits its multiplication.2008

    • Author(s)
      Koki Fujisaki and Masayuki Ishikawa.
    • Journal Title

      Virology 380(2)

      Pages: 402-411

    • Related Report
      2008 Final Research Report
  • [Journal Article] Identification of an Arabidopsis thaliana protein that binds to tomato mosaic virus genomic RNA and inhibits its multiplication.2008

    • Author(s)
      Fujisaki, K., Ishikawa, M.
    • Journal Title

      Virology 380(2)

      Pages: 402-411

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ウイルスRNAの複製を阻害する抵抗性遺伝子2008

    • Author(s)
      石橋和大, 石川雅之
    • Journal Title

      化学と生物 46(11)

      Pages: 781-785

    • NAID

      10024453377

    • Related Report
      2008 Annual Research Report
  • [Journal Article] An inhibitor of viral RNA replication is encoded by a plant resistance gene.2007

    • Author(s)
      Kazuhiro Ishibashi, Kiyoshi Masuda, Satoshi Naito, Tetsuo Meshi and Masayuki Ishikawa.
    • Journal Title

      Proc. Natl. Acad. Sci. USA 104 (34)

    • Related Report
      2008 Final Research Report
  • [Journal Article] An inhibitor of viral RNA replication is encoded by a plant resistance gene.2007

    • Author(s)
      Ishibashi K, Ishikawa M., et. al.
    • Journal Title

      Proc. Natl. Acad. Sci. USA 104

      Pages: 13833-13838

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] トバモウイルスのゲノム複製機構2007

    • Author(s)
      藤崎恒喜、石川雅之, ら
    • Journal Title

      蛋白質核酸酵素 52

      Pages: 1149-1154

    • Related Report
      2007 Annual Research Report
  • [Presentation] トマトモザイクウイルス抵抗性遺伝子Tm-1 の解析.2009

    • Author(s)
      石橋和大, 石川雅之
    • Organizer
      平成21年度日本植物病理学会大会
    • Place of Presentation
      山形大学
    • Related Report
      2008 Final Research Report
  • [Presentation] トマトモザイクウイルス抵抗性遺伝子Tm-1の解析2009

    • Author(s)
      石橋和大, 石川雅之
    • Organizer
      平成21年度日本植物病理学会大会
    • Place of Presentation
      山形大学
    • Related Report
      2008 Annual Research Report
  • [Presentation] タバコマイルドグリーンモザイクウイルス(TMGMV)の非宿主であるトマトには複数の増殖阻害機構が存在する2009

    • Author(s)
      石橋和大, 飯 哲夫, 石川雅之
    • Organizer
      平成21年度日本植物病理学会大会
    • Place of Presentation
      山形大学
    • Related Report
      2008 Annual Research Report
  • [Presentation] A direct inhibitor of viral RNA replication encoded by a plant resistance gene.2008

    • Author(s)
      Masayuki Ishikawa, Kazuhiro Ishibashi.
    • Organizer
      The 8th Awaji International Forum on Infection and Immunity.
    • Place of Presentation
      Awaji Yumebutai International Conference Center
    • Related Report
      2008 Final Research Report
  • [Presentation] A direct inhibitor of viral RNA replication encoded by a plant resistance gene2008

    • Author(s)
      Ishikawa M, Ishibashi K
    • Organizer
      The 8th Awaji International Forum on Infection and Immunity
    • Place of Presentation
      Awaji Yumebutai International Conference Center
    • Related Report
      2008 Annual Research Report
  • [Presentation] トマトモザイクウイルスRNA複製阻害宿主因子Tm-1の同定とその作用機構の解析2007

    • Author(s)
      石橋和大、石川雅之, ら
    • Organizer
      第55回日本ウイルス学会学術集会
    • Place of Presentation
      札幌
    • Year and Date
      2007-10-22
    • Related Report
      2007 Annual Research Report
  • [Book] 化学と生物2008

    • Author(s)
      石橋和大, 石川雅之
    • Related Report
      2008 Final Research Report
  • [Book] 蛋白質核酸酵素2007

    • Author(s)
      藤崎恒喜、薦田圭介、石川雅之
    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2018-03-28  

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