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Quality control of the transltion system in the organella

Research Project

Project/Area Number 18K06350
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 45010:Genetics-related
Research InstitutionOkayama University

Principal Investigator

ABO Tatsuhiko  岡山大学, 自然科学学域, 教授 (90303601)

Project Period (FY) 2018-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsリボソームレスキュー / 翻訳 / オルガネラ / 葉緑体 / ArfB / バクテリア / リボソーム
Outline of Final Research Achievements

The homologs of Escherichia coli ribosome rescue factor ArfB were found in Arabidopsis thaliana and Marchantia polymorpha L. and named AtArfB and MpARFB, respectively. Both showed ribosome rescue activity in E. coli translation system and localized in chloroplast. Lack of AtArfB resulted in subtle reduction of the leaf size. Preliminary results suggested MpARFB is required for genital development.

Academic Significance and Societal Importance of the Research Achievements

リボソームレスキューが健全な翻訳系維持に必須であることが最近示されている。オルガネラ,すなわち葉緑体やミトコンドリアの翻訳系は原核細胞の翻訳系に類似しており,そこに大腸菌のリボソームレスキュー因子ArfBのホモログが見出されたことは,リボソームレスキューが生物種を超えて重要な役割を果たすことを示唆する。さらに,本研究は,光合成の場である葉緑体の健全性の維持機構の解明を通して,CO2削減,持続的成長の維持に重要な役割を果たすものと期待できる。

Report

(6 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (9 results)

All 2022 2021 2020 2019 2018

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (7 results)

  • [Journal Article] Ribosome rescue activity of an <i>Arabidopsis thaliana</i> ArfB homolog2020

    • Author(s)
      Nagao Michiaki、Tsuchiya Fumina、Motohashi Reiko、Abo Tatsuhiko
    • Journal Title

      Genes & Genetic Systems

      Volume: 95 Issue: 3 Pages: 119-131

    • DOI

      10.1266/ggs.20-00007

    • NAID

      130007891316

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Molecular determinants of release factor 2 for ArfA-mediated ribosome rescue2020

    • Author(s)
      Kurita Daisuke、Abo Tatsuhiko、Himeno Hyouta
    • Journal Title

      Journal of Biological Chemistry

      Volume: 295 Issue: 38 Pages: 13326-13337

    • DOI

      10.1074/jbc.ra120.014664

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] ゼニゴケのArfBホモログ2022

    • Author(s)
      牧野愛子、小山巧、本瀬宏康、阿保達彦
    • Organizer
      日本遺伝学会第94会大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 大腸菌リボソームレスキュー因子ArfBによるArfA発現促進機構2022

    • Author(s)
      関冬弥、安田しおり、阿保達彦
    • Organizer
      日本遺伝学会第94会大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] ゼニゴケのリボソームレスキュー因子2021

    • Author(s)
      牧野愛子、小山巧、本瀬宏康、阿保達彦
    • Organizer
      日本遺伝学会第93会大会(東京)
    • Related Report
      2021 Research-status Report
  • [Presentation] 大腸菌ArfAの機能発現に必須なアミノ酸残基の探索2020

    • Author(s)
      徳下貴一,中尾日向子,橋本亜由己,阿保達彦
    • Organizer
      日本遺伝学会第92会大会(熊本市・熊本大学)(冊子体のみでの実施)
    • Related Report
      2020 Research-status Report
  • [Presentation] 大腸菌ArfAのリボソームレスキュー活性に及ぼすRF2の多型の影響2019

    • Author(s)
      徳下貴一,阿保達彦
    • Organizer
      日本遺伝学会第91会大会
    • Related Report
      2019 Research-status Report
  • [Presentation] 葉緑体に局在するリボソームレスキュー因子2018

    • Author(s)
      永尾通章、土屋文奈、本橋令子、阿保達彦
    • Organizer
      第5回リボソームミーティング
    • Related Report
      2018 Research-status Report
  • [Presentation] 葉緑体のリボソームレスキュー因子2018

    • Author(s)
      永尾通章、土屋文奈、本橋令子、小澤真一郎、黒田洋詩、高橋裕一郎、阿保達彦
    • Organizer
      日本遺伝学会第90回大会
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2024-01-30  

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