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Understanding survival strategy of C1-microorgansms in the phyllosphere from in vitro and in natura experiments

Research Project

Project/Area Number 19H02870
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 38020:Applied microbiology-related
Research InstitutionKyoto University

Principal Investigator

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

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2021: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2020: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
KeywordsC1微生物 / C1酵母 / C1細菌 / メタノール誘導 / 脱抑制 / ペルオキシソーム / ペキソファジー / KaiC / 環境適応 / 発現制御 / 植物共生微生物 / 応用微生物 / 微生物生理 / 環境応答
Outline of Research at the Start

メタノールを単一の炭素・エネルギー源として生育できるC1微生物は、植物葉面における優先化・共生・植物への成長促進効果が認められており、我々はこれまでに、植物表層におけるメタノール濃度やその他の環境因子の日周変動に適応しながら、C1微生物が葉上での増殖することを見出した。本研究では、従来の in vitroモデル系実験に加え、in natura(植物上)もしくはin naturaを模した環境適応実験を行い、メタノールが増減する環境に適応するC1微生物の生存戦略機構を解明する。

Outline of Final Research Achievements

Methylotrophic yeasts and bacteria, that can utilize methanol as the sole source of carbon and energy, colonize the plant leaf surface (phyllosphere). The aim of this study was to elucidate the mechanism for survival strategy of C1-microorganisms in the phyllosphere. We set up experimental conditions not only in vitro but also in natura, and investigated molecular mechanisms for methanol-induced gene expression and regulation of pexophagy in the methylotrophic yeast. As a result, we elucidated the regulatory mechanism of peroxisome biogenesis and degradation in response to methanol concentration. On the other hand, we successfully tracked dominant colonization of methylotrophic bacteria in the phyllosphere by using the fluorescent microscopy and flowcytometry. Genetic and biochemical properties of the clock gene homolog KaiC upon temperature or light change were also investigated.

Academic Significance and Societal Importance of the Research Achievements

C1酵母では、メタノール誘導制御機構やペキソファジー制御機構の解析から、メタノール濃度が日周変動する葉面環境での生存戦略として、メタノール濃度に応答したペルオキシソーム合成と分解の制御機構を明らかにした。C1細菌では、蛍光顕微鏡やフローサイトメトリーを用いて優占化過程を追跡することに成功するとともに、培養温度シフトや光応答時における時計遺伝子ホモログKaiCの生理機能に関する遺伝学的および生化学的特性を明らかにした。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • Research Products

    (26 results)

All 2022 2021 2020 2019

All Journal Article (13 results) (of which Peer Reviewed: 10 results,  Open Access: 5 results) Presentation (12 results) (of which Int'l Joint Research: 4 results,  Invited: 10 results) Book (1 results)

  • [Journal Article] オートファジーからひも解く植物葉面微生物の生存戦略 植物のライフサイクルに伴う棲息環境の変化へ適応するために2022

    • Author(s)
      白石晃將、阪井康能
    • Journal Title

      化学と生物

      Volume: 60 Pages: 2-4

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Autophagy as a Survival Strategy for Eukaryotic Microbes Living in the Phyllosphere2022

    • Author(s)
      Shiraishi Kosuke、Sakai Yasuyoshi
    • Journal Title

      Frontiers in Plant Science

      Volume: 13 Pages: 867486-867486

    • DOI

      10.3389/fpls.2022.867486

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Regulation of Peroxisome Homeostasis by Post-Translational Modification in the Methylotrophic Yeast Komagataella phaffii2022

    • Author(s)
      Ohsawa Shin、Oku Masahide、Yurimoto Hiroya、Sakai Yasuyoshi
    • Journal Title

      Frontiers in Cell and Developmental Biology

      Volume: 10 Pages: 887806-887806

    • DOI

      10.3389/fcell.2022.887806

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Technologies for heterologous protein production by methylotrophic yeasts using various carbon sources other than methanol2021

    • Author(s)
      髙木 忍、由里本 博也、阪井 康能
    • Journal Title

      Seibutsu-kogaku Kaishi

      Volume: 99 Issue: 10 Pages: 516-520

    • DOI

      10.34565/seibutsukogaku.99.10_516

    • NAID

      130008107554

    • ISSN
      0919-3758, 2435-8630
    • Year and Date
      2021-10-25
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Physiology of Methylotrophs Living in the Phyllosphere2021

    • Author(s)
      Yurimoto Hiroya、Shiraishi Kosuke、Sakai Yasuyoshi
    • Journal Title

      Microorganisms

      Volume: 9 Issue: 4 Pages: 809-809

    • DOI

      10.3390/microorganisms9040809

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Methylotrophic bacterium-based molecular sensor for the detection of low concentrations of methanol2021

    • Author(s)
      Casaroli Viviane Carnier、Orita Izumi、Katayama Shiori、Yurimoto Hiroya、Sakai Yasuyoshi、Fukui Toshiaki
    • Journal Title

      Journal of Bioscience and Bioengineering

      Volume: 132 Issue: 3 Pages: 247-252

    • DOI

      10.1016/j.jbiosc.2021.05.002

    • NAID

      40022687974

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Methanol sensor Wsc1 and MAP kinase suppress degradation of methanol-induced peroxisomes in methylotrophic yeast2021

    • Author(s)
      Ohsawa Shin、Inoue Koichi、Isoda Takahiro、Oku Masahide、Yurimoto Hiroya、Sakai Yasuyoshi
    • Journal Title

      Journal of Cell Science

      Volume: - Issue: 9

    • DOI

      10.1242/jcs.254714

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Methanol bioeconomy: promotion of rice crop yield in paddy fields with microbial cells prepared from natural gas‐derived C1 compound2020

    • Author(s)
      Yurimoto Hiroya、Iguchi Hiroyuki、Di Thien Do Thi、Tani Akio、Okumoto Yutaka、Ota Atsushi、Yamauchi Takahiro、Akashi Takahiro、Sakai Yasuyoshi
    • Journal Title

      Microbial Biotechnology

      Volume: - Issue: 4 Pages: 1385-1396

    • DOI

      10.1111/1751-7915.13725

    • NAID

      120006940304

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] メタノール資化性葉面共生菌による”C1炭素固定”と農学への展開2020

    • Author(s)
      阪井康能
    • Journal Title

      農業および園芸

      Volume: 95 Pages: 27-32

    • Related Report
      2019 Annual Research Report
  • [Journal Article] ミクロオートファジー研究の課題2020

    • Author(s)
      奥 公秀、阪井康能
    • Journal Title

      医学のあゆみ

      Volume: 272 Pages: 856-860

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Methylotrophic Yeasts: Current Understanding of Their C1-Metabolism and its Regulation by Sensing Methanol for Survival on Plant Leaves2019

    • Author(s)
      Yurimoto Hiroya、Sakai Yasuyoshi
    • Journal Title

      Current Issues in Molecular Biology

      Volume: 33 Pages: 197-210

    • DOI

      10.21775/cimb.033.197

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Engineering the expression system for Komagataella phaffii (Pichia pastoris): an attempt to develop a methanol-free expression system2019

    • Author(s)
      Takagi Shinobu、Tsutsumi Noriko、Terui Yuji、Kong XiangYu、Yurimoto Hiroya、Sakai Yasuyoshi
    • Journal Title

      FEMS Yeast Research

      Volume: 19 Issue: 6

    • DOI

      10.1093/femsyr/foz059

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ようやく明らかになりつつあるミクロオートファジーの多様な分子機構2019

    • Author(s)
      阪井康能
    • Journal Title

      生化学

      Volume: 91 Pages: 634-642

    • Related Report
      2019 Annual Research Report
  • [Presentation] 農芸化学会賞受賞講演「C1微生物の生存戦略における分子・細胞基盤の解明と機能開発」2022

    • Author(s)
      阪井康能
    • Organizer
      日本農芸化学会2022年度大会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 微生物と植物が駆動する新しい物質循環像とバイオ分野への展開:はじめに(1)炭素循環2022

    • Author(s)
      阪井康能
    • Organizer
      日本農芸化学会2022年度大会 大会シンポジウム「微生物と植物が駆動する新しい物質循環像とバイオ分野への展開」
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] The role of KaiC family proteins in phyllosphere microorganisms2021

    • Author(s)
      Yasuyoshi Sakai
    • Organizer
      5th Asian Forum on Chronobiology
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Role of Autophagy in Adaptation to the Phyllosphere Environment in the Methanol-Utilizing Yeast Candida boidinii2021

    • Author(s)
      Kosuke Shiraishi, Masahide Oku, Hiroya Yurimoto, Yasuyoshi Sakai
    • Organizer
      Phyllosphere Fortnight 2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Wsc1 and MAP kinase proteins suppress pexophagy in the methylotrophic yeast Komagataella phaffii2021

    • Author(s)
      Koichi Inoue, Shin Ohsawa, Hiroya Yurimoto, Yasuyoshi Sakai
    • Organizer
      International Congress on Yeasts (ICY15)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] メタン・メタノールの生物資源化とプロテイン生産2021

    • Author(s)
      阪井康能
    • Organizer
      バイオインダストリー協会「C1バイオエコノミー勉強会 -新たな炭素循環像を基にしたC1炭素の循環的利用-」
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 温室効果ガスの炭素循環を担うC1微生物はどのようにして葉面で生きていくのか?2021

    • Author(s)
      阪井康能
    • Organizer
      大隅基礎科学創成財団第5期第1回創発セミナー「地球環境を支える植物と微生物の共生」
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] Methanol-induced gene expression: molecular mechanism and application2021

    • Author(s)
      Sakai Yasuyoshi
    • Organizer
      Pichia 2021
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] C1酵母で拓くメタノールバイオエコノミー2021

    • Author(s)
      由里本博也、阪井康能
    • Organizer
      日本農芸化学会2021年度大会シンポジウム「酵母研究の産業利用への展開;いま「Non-conventional yeasts」が新しい」
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] C1微生物の葉面での生存戦略機構2020

    • Author(s)
      由里本博也、阪井康能
    • Organizer
      第43回日本分子生物学会年会シンポジウム「分子レベルで紐解く植物-微生物間相互作用」
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] 酵母メタノール誘導性遺伝子発現の生理および分子機構と異種タンパク質生産2019

    • Author(s)
      阪井康能
    • Organizer
      東北大学発酵微生物学((公財)野田産業科学研究所)寄附講座開設記念シンポジウム
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] メタノール資化性葉面共生菌による‘C1炭素固定’と農学への展開2019

    • Author(s)
      阪井康能
    • Organizer
      2019年度日本農学会シンポジウム
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Book] Peroxisomes: Biogenesis, Function, and Role in Human Disease2019

    • Author(s)
      Masahide Oku, Yasuyoshi Sakai.
    • Total Pages
      279
    • Publisher
      Springer
    • Related Report
      2019 Annual Research Report

URL: 

Published: 2019-04-18   Modified: 2023-01-30  

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