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Fusarium wilt resistance induced by magnesium oxide in Fusarium wilt-susceptible tomato plants

Research Project

Project/Area Number 18K05647
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 39040:Plant protection science-related
Research InstitutionYamaguchi University

Principal Investigator

Ito Shin-ichi  山口大学, 大学院創成科学研究科, 教授 (30243629)

Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
KeywordsFusarium oxysporum / トマト萎ちょう病 / 誘導抵抗性 / 植物免疫 / 酸化マグネシウム / ナノ粒子 / ジャスモン酸 / トマト / Fusarium oxysporum
Outline of Final Research Achievements

Treatment of roots of Fusarium wilt-susceptible tomato plants with magnesium oxide (MgO) containing nanoparticles induces strong Fusarium wilt-resistance in the plants. The aim of this study was to elucidate the mechanism of the Fusarium wilt-resistance induced by MgO in tomato plants. The study suggested that the jasmonic acid signaling pathway is essential for the establishment of the MgO-induced resistance against Fusarium wilt in tomato. In addition, it was suggested that both DAMP-triggered immunity (DTI) and PAMP-triggered immunity (PTI) are involved in the resistance. Since the resistance was maintained until fruit harvest, MgO treatment of tomato seedlings is expected to be a practical technology for the control of Fusarium wilt of tomato.

Academic Significance and Societal Importance of the Research Achievements

1. 学術的意義:本研究により以下のことが初めて明らかになった。①萎ちょう病感受性トマトが萎ちょう病抵抗性になるメカニズム。②萎ちょう病感受性トマトに萎ちょう病抵抗性を誘導する方法。③MgO処理によるトマトの遺伝子発現パターン再構成と、病原菌感染に対する迅速応答。④MgOによるトマトの複数の植物ホルモンシグナル伝達経路の活性化。
2. 社会的意義:本研究によって、安価で安全な天然素材であるMgOがトマト萎ちょう病の防除に利用できることが明らかになった。トマト萎ちょう病を含むFusarium萎ちょう病防除技術の確立は世界的な課題であることから、本研究成果の社会的意義はきわめて大きい。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (8 results)

All 2021 2020 2019 Other

All Int'l Joint Research (2 results) Journal Article (2 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results) Presentation (4 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Int'l Joint Research] Karnatak University(インド)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] Prince of Songkla University(タイ)

    • Related Report
      2018 Research-status Report
  • [Journal Article] Magnesium oxide induces immunity against Fusarium wilt by triggering the jasmonic acid signaling pathway in tomato2021

    • Author(s)
      Fujikawa Isamu、Takehara Yushi、Ota Makiko、Imada Kiyoshi、Sasaki Kazunori、Kajihara Hiroshi、Sakai Shoji、Jogaiah Sudisha、Ito Shin-ichi
    • Journal Title

      Journal of Biotechnology

      Volume: 325 Pages: 100-108

    • DOI

      10.1016/j.jbiotec.2020.11.012

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] MgO-induced defence against bacterial wilt disease in Arabidopsis thaliana.2019

    • Author(s)
      Ota, M., Imada, K., Sasaki, K., Kajihara, H., Sakai, S., Ito, S.
    • Journal Title

      Plant Pathology

      Volume: 68 Issue: 2 Pages: 323-333

    • DOI

      10.1111/ppa.12939

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] タマネギ乾腐病菌の日本株およびヨーロッパ株間の遺伝的多様性2021

    • Author(s)
      佐々木一紀・國本雅晃・執行正義・伊藤真一
    • Organizer
      令和3年度日本植物病理学会大会(オンライン開催、三重市)(2021月3月17日~19日)
    • Related Report
      2020 Annual Research Report
  • [Presentation] トマト根腐萎凋病菌のMC69ホモログの病原性への関与2020

    • Author(s)
      伊藤由后・濱田侑希・伊藤真一・佐々木一紀
    • Organizer
      令和2年度日本植物病理学会関西部会(オンライン開催、松江市)(2020月11月7日~8日)
    • Related Report
      2020 Annual Research Report
  • [Presentation] Suppression of Fusarium wilt of tomato by magnesium oxide nanoparticles (MgO NP)2019

    • Author(s)
      S. Ito
    • Organizer
      International Conference on Emerging Advancement in Science & Technology.New Delhi, India (5-6 September, 2019)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 仮焼酸化マグネシウムが誘導するトマト萎凋病発病抑制の解析2019

    • Author(s)
      藤川勇・佐々木一紀・境昭二・伊藤真一
    • Organizer
      日本植物病理学会大会
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2022-01-27  

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