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Role and evolution of homeobox transcription factor in pathogenicity of plant pathogenic fungi

Research Project

Project/Area Number 17K07669
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Plant protection science
Research InstitutionThe University of Shiga Prefecture

Principal Investigator

Suzuki Kazumi  滋賀県立大学, 環境科学部, 教授 (90390880)

Co-Investigator(Kenkyū-buntansha) 泉津 弘佑  滋賀県立大学, 環境科学部, 講師 (20579263)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords植物病原菌 / ホメオボックス遺伝子 / 病原性発現 / 付着器形成 / 付着器侵入 / 遺伝子破壊 / バイオトロフィー / ネクロトロフィー / 病原性発言 / 付着器の形態分化 / 侵入菌糸の形態分化 / ホメオボックス転写因子 / 胞子形成 / 植物病原菌類 / 病原性関連遺伝子 / 付着器
Outline of Final Research Achievements

Genome analysis revealed that the plant pathogenic fungus, Colletotrichum orbiculare, causal agent of cucumber anthracnose, has 10 homeobox genes. All of ten genes were disrupted using homologous recombination and the function of each homeobox gene was estimated through phenotypic analysis. Results show that 5 homeobox genes are involved in diferrent morphogenetic processes during plat infection and that these genes play important roles in pathogenicity of this fungus as pathogenicity related genes. Furthermore,these genes are evolutionally conserved since similar functuion was observed in homologues of other plant pathogenic fungi.

Academic Significance and Societal Importance of the Research Achievements

学術的意義としては,これまで十分に明らかにされていなかった,植物病原菌の病原性発現におけるホメオボックス転写因子の機能や役割および進化が明らかとなった。今後の研究の進展により,ホメオボックス転写因子を含む細胞内シグナル伝達機構の解明が期待される。また,社会的意義としては,これらの成果は農業上重要な植物病害における新しい防除方法や新しい殺菌剤の開発につながる有益な知見を提供するものと考えられる。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (6 results)

All 2020 2019 2018 2017

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (2 results)

  • [Journal Article] Homeobox transcriptional factor CoHox4 regulates hyphal growth, conidial morphology and appressorial formation in <i>Colletotrichum orbiculare</i>2020

    • Author(s)
      小幡善也,横山 綾,泉津弘佑,入江俊一,鈴木一実
    • Journal Title

      Japanese Journal of Phytopathology

      Volume: 86 Issue: 2 Pages: 85-96

    • DOI

      10.3186/jjphytopath.86.85

    • NAID

      130007884441

    • ISSN
      0031-9473, 1882-0484
    • Year and Date
      2020-05-25
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Homeobox transcription factor CoHox2 regulates conidiation and seta formation in <i>Colletotrichum orbiculare</i>2019

    • Author(s)
      小幡善也,横山 綾,泉津弘佑,入江俊一,鈴木一実
    • Journal Title

      Japanese Journal of Phytopathology

      Volume: 85 Issue: 4 Pages: 334-344

    • DOI

      10.3186/jjphytopath.85.334

    • NAID

      130007771908

    • ISSN
      0031-9473, 1882-0484
    • Year and Date
      2019-11-25
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Homeobox transcription factor CoHox1 is required for the morphigenesis of infection hyphae in host plants and pathogenicity in Colletotrichum orbiculare2019

    • Author(s)
      Yokoyama A, Izumitsu K, Irie T, Suzuki K
    • Journal Title

      Mycoscience

      Volume: 90 Issue: 2 Pages: 110-115

    • DOI

      10.1016/j.myc.2018.11.001

    • Related Report
      2019 Annual Research Report 2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Homeobox transcription factor CoHox3 is essential for appressorium formation in the plant pathogenic fungus Colletotrichum orbiculare2018

    • Author(s)
      Yokoyama A, Izumitsu K, Sumita T, Tanaka C, Irie T, Suzuki K
    • Journal Title

      Mycoscience

      Volume: 印刷中 Issue: 5 Pages: 353-362

    • DOI

      10.1016/j.myc.2018.02.001

    • NAID

      40021666044

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] ウリ類炭疽病菌のホメオボックス転写因子CoHox4は栄養菌糸生育,分生胞子の形態,付着器形成および病原性に関与する2017

    • Author(s)
      小幡善也,横山 綾,泉津弘佑,入江俊一,鈴木一実
    • Organizer
      平成29年度日本植物病理学会大会
    • Related Report
      2017 Research-status Report
  • [Presentation] ウリ類炭疽病菌のホメオボックス転写因子CoHox4は多様な形態分化および病原性に関与する2017

    • Author(s)
      小幡善也,横山 綾,泉津弘佑,入江俊一,鈴木一実
    • Organizer
      第17回糸状菌分子生物学コンファレンス
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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