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Induction of Hypersensitive Response and Susceptibility by Protease Effector from Ralstonia solanacearum

Research Project

Project/Area Number 24658042
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeSingle-year Grants
Research Field Plant pathology
Research InstitutionOkayama University

Principal Investigator

ICHINOSE Yuki  岡山大学, その他の研究科, 教授 (50213004)

Co-Investigator(Kenkyū-buntansha) MUKAIHARA Takafumi  岡山県農林水産総合センター, 生物研, 専門研究員 (80344406)
Project Period (FY) 2012-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords非病原力因子 / エフェクター / 過敏感反応 / 病原性 / Zn依存性プロテアーゼ / 非宿主 / 非病原性遺伝子 / プロテアーゼ
Research Abstract

Ralstonia solanacearum causes bacterial wilt disease in more than 200 plant species, including economically important Solanaceae species. R. solanacearum injects virulence factor proteins effectors into plant cytoplasm, then induces hypersensitive response (HR) in nonhost plants and disease in host plants. In this study we identified one effector Rip36 induces HR in the nonhost wild eggplant Solanum torvum in an Hrp-dependent manner. Rip36-induced HR requires the putative Zn-protease motif. On the other hand, Rip36 is a dispensable virulence factor to cause disease in eggplant, because rip36-defective mutants grew well in host eggplants as the wild type.

Report

(3 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • Research Products

    (9 results)

All 2014 2013 2012

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (8 results)

  • [Journal Article] Ralstonia solanacearum type III secretion system effector Rip36 induces a hypersensitive response in the nonhost wild eggplant Solanum torvum.2014

    • Author(s)
      Nahar, K., Matsumoto, I., Taguchi, F., Inagaki, Y., Yamamoto, M., Toyoda, K., Shiraishi, T., Ichinose, Y., and Mukaihara T.
    • Journal Title

      Molecular Plant Pathology

      Volume: 15 Issue: 3 Pages: 297-303

    • DOI

      10.1111/mpp.12079

    • Related Report
      2013 Annual Research Report 2013 Final Research Report
    • Peer Reviewed
  • [Presentation] Ralstonia solanacearum effector Rip36 induces strong immune response in the nonhost wild eggplant2014

    • Author(s)
      Yuki ICHINOSE, Fumiko TAGUCHI
    • Organizer
      第87回日本細菌学会総会
    • Place of Presentation
      東京
    • Related Report
      2013 Annual Research Report 2013 Final Research Report
  • [Presentation] Analysis of hypersensitive response of Solanum torvum Sw. cv. Torubamubiga induced by Ralstonia solanacearum Rip36 and Pseudomonas syringae HopH1 effectors2013

    • Author(s)
      Kamrun Nahar, Iyo Matsumoto, Eriko Suetsugu, Fumiko Taguchi, Yuki Ichinose, Takafumi Mukaihara
    • Organizer
      第54回日本植物生理学会
    • Place of Presentation
      岡山
    • Related Report
      2013 Final Research Report
  • [Presentation] 青枯病菌Ralstonia solanacearumにおける宿主域変異機構の解析2013

    • Author(s)
      向原隆文、小田賢司
    • Organizer
      日本植物病理学会平成25年度大会
    • Place of Presentation
      岐阜
    • Related Report
      2013 Final Research Report
  • [Presentation] HR-inducing activity of HopH1 from Pseudomonas syringae2013

    • Author(s)
      Kamrun Nahar, Fumiko Taguchi, Yoshishige Inagaki, Mikihiro Yamamoto, Yuki Ichinose, Takafumi Mukaihara
    • Organizer
      平成25年日本植物病理学会関西部会
    • Place of Presentation
      岡山
    • Related Report
      2013 Final Research Report
  • [Presentation] Type III secretion system effectors Rip36 of Ralstonia solanacearum and HopH1 of Pseudomonas syringae induce hypersensitive response in nonhost Solanum torvum2013

    • Author(s)
      K. Nahar, F. Taguchi, M. Yamamoto, Y. Inagaki, K. Toyoda, T. Shiraishi, Y. Ichinose and T. Mukaihara
    • Organizer
      平成25年度日本植物病理学会関西部会
    • Place of Presentation
      岡山
    • Related Report
      2013 Annual Research Report
  • [Presentation] Analysis of hypersensitive response of Solanum torvum Sw. cv. Torubamubiga induced by Ralstonia solanacearum Rip36 and Pseudomonas syringae HopH1 effectors.2013

    • Author(s)
      Kamrun N, Matsumoto I, Suetsugu E, Taguchi F, Ichinose Y, Mukaihara T,
    • Organizer
      第54回日本植物生理学会
    • Place of Presentation
      岡山
    • Related Report
      2012 Research-status Report
  • [Presentation] HopH1, a putative Zn-dependent protease, of Pseudomonas syringae induces hypersensitive response in non-host Solanum torvum Sw. cv. Torubamubiga2012

    • Author(s)
      Kamrun Nahar, Iyo Matsumoto, Fumiko Taguchi, Yoshishige Inagaki, Takafumi Mukaihara, Yuki Ichinose
    • Organizer
      Symposium on Interdisciplinary Researches in Okayama
    • Place of Presentation
      岡山
    • Related Report
      2013 Final Research Report
  • [Presentation] HopH1, a putative Zn-dependent protease, of Pseudomonas syringae induces hypersensitive response in non-host Solanum torvum Sw. cv. Torubamubiga.2012

    • Author(s)
      Kamrun N, Matsumoto I, Taguchi F,Inagaki Y, Mukaihara T, Ichinose Y
    • Organizer
      Sypojium on Interdisciplonary Researches in Okayama
    • Place of Presentation
      岡山
    • Related Report
      2012 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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