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Identification of natural products inhibiting formation of type III secretion system of bacterial pathogens

Research Project

Project/Area Number 16K14863
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Plant protection science
Research InstitutionKindai University

Principal Investigator

Kawasaki Tsutomu  近畿大学, 農学部, 教授 (90283936)

Research Collaborator Yamaguchi Koji  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords植物免疫 / エフェクター / 三型分泌装置 / 分子標的剤
Outline of Final Research Achievements

Bacterial pathogens deliver effector proteins into plant cells by type III secretion system. The effectors strongly suppress host immune responses as the virulence factors. Therefore, natural products that can inhibit formation of type III secretion system are useful for disease control. To screen such natural products from actinomycete secondary metabolites, we developed a system to monitor expression of the genes involved in formation of type III secretion system and found the candidate metabolites that can suppress the type III secretion system.

Academic Significance and Societal Importance of the Research Achievements

近年、古くから細菌病の農薬として利用されてきた銅剤などの使用が、環境的問題から制限されつつある。そのため、環境保全型の細菌病農薬の開発が望まれている。一方、多くの病原細菌は三型分泌装置により、病原性の根幹となるエフェクターを植物細胞内に分泌し、植物の免疫応答を抑制することで病気を拡大している。本研究で得られた放線菌由来の代謝物は、三型分泌装置の形成を抑制することが明らかとなり、細菌病農薬のシーズとして期待される。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (13 results)

All 2019 2018 2017 2016 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 2 results,  Acknowledgement Compliant: 1 results) Presentation (6 results) (of which Int'l Joint Research: 2 results,  Invited: 1 results) Book (2 results) Remarks (2 results)

  • [Journal Article] Arabidopsis ubiquitin ligase PUB12 interacts with and negatively regulates Chitin Elicitor Receptor Kinase 1 (CERK1)2017

    • Author(s)
      Yamaguchi Koji、Mezaki Hirohisa、Fujiwara Masayuki、Hara Yuki、Kawasaki Tsutomu
    • Journal Title

      PLoS One

      Volume: 12 Issue: 11 Pages: e0188886-e0188886

    • DOI

      10.1371/journal.pone.0188886

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Chitin receptor-mediated activation of MAP kinases and ROS production in rice and Arabidopsis2017

    • Author(s)
      Kawasaki Tsutomu、Yamada Kenta、Yoshimura Satomi、Yamaguchi Koji
    • Journal Title

      Plant Signal Behav

      Volume: 12 Issue: 9 Pages: e1361076-e1361076

    • DOI

      10.1080/15592324.2017.1361076

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Chitin-triggered MAPK activation and ROS generation in rice suspension-cultured cells2017

    • Author(s)
      Yamaguchi K, and Kawasaki T
    • Journal Title

      Method Mol. Biol.

      Volume: 1578 Pages: 309-316

    • DOI

      10.1007/978-1-4939-6859-6_26

    • ISBN
      9781493968589, 9781493968596
    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] イネ白葉枯病菌エフェクター XopZ による新規免疫抑制機構の解析2019

    • Author(s)
      山本剛大,木村泉貴,吉村智美,山口公志,津下誠治,川崎努
    • Organizer
      日本植物生理学会年会
    • Related Report
      2018 Annual Research Report
  • [Presentation] イネ白葉枯病菌エフェクターXopZによる核内標的因子を介した免疫抑制機構の解析2019

    • Author(s)
      山口公志 山本剛大 木村泉貴 吉村智美 川崎努
    • Organizer
      日本植物病理学会大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Identification of rice immune factors targeted by the Xanthomonas oryzae pv. oryzae effector2018

    • Author(s)
      Koji Yamaguchi, Gota Yamamoto, Shintaro Nomura, Satomi Yoshimura, Tsutomu Kawasaki
    • Organizer
      16th International Symposium on Rice Functional Genomics
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Identification of a novel Xanthomonas oryzae effector to suppress rice immune response2018

    • Author(s)
      Koji Yamaguchi, Kento Yamada, Motoki Iwai, Naoki Horiuchi, Satomi Yoshimura, Seiji Tsuge, Tsutomu Kawasaki
    • Organizer
      日本植物生理学会年会
    • Related Report
      2017 Research-status Report
  • [Presentation] イネ病原菌認識受容体Xa1によるTALエフェクターの認識機構の解明2017

    • Author(s)
      安藤駿丞、大内俊和、泉谷眞帆、山口公志、吉村智美、川﨑努
    • Organizer
      日本植物病理学会関西部会
    • Related Report
      2017 Research-status Report
  • [Presentation] Pathogen recognition and intracellular immune signaling in plants2016

    • Author(s)
      Tsutomu Kawasaki
    • Organizer
      International symposium Current and Future Trends in Food and Agricultural Immunology
    • Place of Presentation
      東北大学(宮城県仙台市)
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Book] Rice Genomics, Genetics and Breeding2018

    • Author(s)
      Tsutomu Kawasaki
    • Total Pages
      558
    • Publisher
      Springer Nature
    • Related Report
      2017 Research-status Report
  • [Book] 植物学の百科事典2016

    • Author(s)
      川崎努
    • Total Pages
      802
    • Publisher
      丸善
    • Related Report
      2016 Research-status Report
  • [Remarks] 近畿大学農学部植物分子遺伝学研究室

    • URL

      http://www.nara.kindai.ac.jp/laboratory/kawasaki_lab/index.html

    • Related Report
      2018 Annual Research Report
  • [Remarks] 近畿大学農学部バイオサイエンス学科・植物分子遺伝学研究室

    • URL

      http://pgmkawasaki.web.fc2.com/

    • Related Report
      2017 Research-status Report

URL: 

Published: 2016-04-21   Modified: 2020-03-30  

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