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Molecular mechanism of survival strategy of phyllosphere methylotrophic yeasts exposed to harsh environmental changes and stresses

Research Project

Project/Area Number 16K14883
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Applied microbiology
Research InstitutionKyoto University

Principal Investigator

SAKAI Yasuyoshi  京都大学, 農学研究科, 教授 (60202082)

Co-Investigator(Renkei-kenkyūsha) YURIMOTO Hiroya  京都大学, 大学院農学研究科, 准教授 (00283648)
OKU Masahide  京都大学, 大学院農学研究科, 助教 (10511230)
Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsストレス顆粒 / メタノール / Candida boidinii / Pichia pastoris / 微生物 / ストレス / シグナル伝達 / 応用微生物 / 植物
Outline of Final Research Achievements

This study aimed to elucidate the molecular mechanism of survival strategy of methylotrophic yeasts which can survive and proliferate on growing plant leaves where cells are exposed to harsh environmental changes and stresses. Physiological role of stress granule (SG) formation and methanol-sensing mechanism in methylotrophic yeasts were investigated. We revealed that sequestration of activated Hog1 proteins in SGs is responsible for downregulation of Hog1 activity under high-temperature stress and that Wsc family proteins function in both the high temperature stress response and in methanol-sensing machinery.

Report

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

    (11 results)

All 2018 2017 2016

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (8 results) (of which Int'l Joint Research: 4 results,  Invited: 3 results)

  • [Journal Article] Yeast Hog1 proteins are sequestered in stress granules during high-temperature stress2018

    • Author(s)
      Shiraishi Kosuke、Hioki Takahiro、Habata Akari、Yurimoto Hiroya、Sakai Yasuyoshi
    • Journal Title

      Journal of Cell Science

      Volume: 131 Issue: 1

    • DOI

      10.1242/jcs.209114

    • NAID

      120007181190

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 異種タンパク質生産に有用なC1酵母のメタノールセンシング機構2018

    • Author(s)
      由里本博也、大澤晋、阪井康能
    • Journal Title

      バイオサイエンスとインダストリー

      Volume: 76 Pages: 30-34

    • NAID

      40021446882

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Novel function of Wsc proteins as a methanol-sensing machinery in the yeast Pichia pastoris2017

    • Author(s)
      Shin Ohsawa, Hiroya Yurimoto, Yasuyoshi Sakai
    • Journal Title

      Molecular Microbiology

      Volume: 104 Issue: 2 Pages: 349-363

    • DOI

      10.1111/mmi.13631

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Presentation] 植物の葉上におけるC1酵母の生存戦略とそれを支える分子細胞機能2017

    • Author(s)
      阪井康能
    • Organizer
      第82回酵母研究会
    • Place of Presentation
      北野工房のまち(兵庫県・神戸市)
    • Year and Date
      2017-03-08
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] メタノール資化性酵母の利用を出発点にした分子細胞生物学の発展2017

    • Author(s)
      阪井康能
    • Organizer
      大阪大学工学研究科酵母リソース工学寄附講座成果報告シンポジウム「メタノール資化性酵母研究の展望」
    • Place of Presentation
      大阪大学銀杏会館(大阪府・吹田市)
    • Year and Date
      2017-01-29
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] メタノールセンシングシグナル伝達の分子機構と植物葉上におけるC1酵母のペルオキシソームダイナミクス2017

    • Author(s)
      阪井康能
    • Organizer
      2017年度生命科学系学会合同年次大会(ConBio2017)
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Function of Wsc family proteins as a methanol-sensing machinery in the methylotrophic yeast Pichia pastoris2017

    • Author(s)
      Shin Ohsawa, Hiroya Yurimoto, and Yasuyoshi Sakai
    • Organizer
      28th International Conference on Yeast Genetics and Molecular Biology
    • Related Report
      2017 Annual Research Report
  • [Presentation] Intracellular dynamics of Hog1 in the methylotrophic yeast Candida boidinii2016

    • Author(s)
      Shiraishi, K., Hioki, T., Yurimoto, H., Sakai, Y.
    • Organizer
      14th International Congress on Yeasts (ICY14)
    • Place of Presentation
      淡路夢舞台国際会議場(兵庫県・淡路市)
    • Year and Date
      2016-09-11
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Regulation of methanol-inducible gene expression by Wsc family proteins in the methylotrophic yeast Pichia pastoris2016

    • Author(s)
      Ohsawa, S., Yurimoto, H., Sakai, Y.
    • Organizer
      14th International Congress on Yeasts (ICY14)
    • Place of Presentation
      淡路夢舞台国際会議場(兵庫県・淡路市)
    • Year and Date
      2016-09-11
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Formation and function of mRNP granules in the methylotrophic yeast growing on methanol utilizing environment2016

    • Author(s)
      Shiraishi, K., Hioki, T., Yurimoto, H., Sakai, Y.
    • Organizer
      Gordon Research Conference on Molecular Basis of Microbial One-Carbon Metabolism
    • Place of Presentation
      Waterville Valley, NH, USA
    • Year and Date
      2016-07-31
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Molecular machinery of methanol sensing in methylotrophic yeast2016

    • Author(s)
      Ohsawa, S., Yurimoto, H., Sakai, Y.
    • Organizer
      Gordon Research Conference on Molecular Basis of Microbial One-Carbon Metabolism
    • Place of Presentation
      Waterville Valley, NH, USA
    • Year and Date
      2016-07-31
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research

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Published: 2016-04-21   Modified: 2019-03-29  

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