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Thio-modification of Yeast Cytosolic tRNA Requires a Ubiquitin-related System That Resembles Bacterial Sulfur Transfer Systems

Research Project

Project/Area Number 19570140
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Functional biochemistry
Research InstitutionOsaka Medical College

Principal Investigator

NAKAI Yumi  Osaka Medical College, 医学部, 講師 (80268193)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
KeywordstRNA修飾 / 酵母 / ミトコンドリア / サイトゾル / 鉄硫黄クラスター / システインでスルフラーゼ / 硫黄 / バクテリア / システインデスルフラーゼ
Research Abstract

酵母サイトゾルtRNAのチオ修飾は、ミトコンドリアtRNAのチオ修飾と異なり、サイトゾルでの鉄硫黄クラスター形成タンパク質群を必要とすることをまず明らかにし、次に、それ以外に、これまで、機能不明であったユビキチン様タンパク質Urm1とE1タンパク質様のUba4を必要とすることを、申請者は明らかにした。さらにUrm1、Uba4を介する硫黄運搬はユビキチンのタンパク質修飾系と同じくUrm1の末端グリシンを必要とし、Urm1存在下でUba4が硫黄を付加されることことを見いだし、ユビキチン様修飾経路でサイトゾルtRNAへ硫黄が運搬されることを示唆した。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (14 results)

All 2008 2007 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (8 results) Remarks (2 results)

  • [Journal Article] Thio-modification of Yeast Cytosolic tRNA Requires a Ubiquitin-related System That Resembles Bacterial Sulfur Transfer Systems2008

    • Author(s)
      Nakai, Y., et.al.
    • Journal Title

      Journal of Biological Chemistry 283(41)

      Pages: 27469-27476

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Thio-modification of Yeast Cytosoiic tRNA Requires a Ubiquitin-related. System That Resembles Bacterial Sulfur Transfer Systems.2008

    • Author(s)
      Nakai, Y., et. al.
    • Journal Title

      Journal. of Biological Chemistry 283・41

      Pages: 27469-27476

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Thio modification of yeast cytosolic tRNA is an iron-sulfur protein- dependent pathway2007

    • Author(s)
      Nakai, Y., et.al.
    • Journal Title

      Molecular and Cellular Biology 27(8)

      Pages: 2841-2847

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Thio modification of yeast cytosolic tRNA is an iron-sulfurprotein-dependent pathway2007

    • Author(s)
      Nakai, Y., et. al.
    • Journal Title

      Molecular and Cellular Biology 27・8

      Pages: 2841-2847

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 酵母における2チオ修飾tRNAと鉄硫黄クラスターへの硫黄分配2008

    • Author(s)
      中井由実, 他
    • Organizer
      第31回日本分子生物学会年会・第81回日本生化学会大会合同大会(BMB2008)
    • Place of Presentation
      神戸ポートアイランド(日本)
    • Related Report
      2008 Final Research Report
  • [Presentation] 酵母における2チオ修飾tRNAと鉄硫黄クラスクーペの硫黄分配2008

    • Author(s)
      中井由実, 他
    • Organizer
      第31回日本分子生物学会年会・第81回日本生化学会大会合同大会 (BMB2008)
    • Place of Presentation
      神戸ポートアイランド(日本)
    • Related Report
      2008 Annual Research Report
  • [Presentation] 酵母tRNAの2チオ修飾と鉄硫黄クラスター形成経路の関係2007

    • Author(s)
      中井由実, 他
    • Organizer
      第30回日本分子生物学会年会・第80回日本生化学会大会合同大会(BMB2007)
    • Place of Presentation
      パシフィコ横浜(日本)
    • Related Report
      2008 Final Research Report
  • [Presentation] The 2-thio modification of cytosolic tRNA is Fe/S protein-dependent and required both CIA and ISC Machineries in Yeast2007

    • Author(s)
      Nakai, Y., et.al.
    • Organizer
      13th International Conference on Biological Inorganic Chemistry
    • Place of Presentation
      University of Vienna(Austria)
    • Related Report
      2008 Final Research Report
  • [Presentation] The 2-thio modification of cytosolic tRNA is Fe/S protein-dependent and required both CIA and ISC Machineries in Yeast2007

    • Author(s)
      Nakai, Y., et.al.
    • Organizer
      4th International meeting on "Biogenesis of Iron-Sulfur Proteins : Cluster Assembly and Regulation"
    • Place of Presentation
      Villard de Lans(France)
    • Related Report
      2008 Final Research Report
  • [Presentation] The 2-thio modification of cytosolic tRNA is Fe/S protein-dependent and required both CIA and ISC Machineries in Yeast2007

    • Author(s)
      Nakai, Y., et. al.
    • Organizer
      4th International meeting on"Biogenesis of tron-Sulfur Proteins:Cluster Assembly and Regulation"
    • Place of Presentation
      Villard de Lans(France)
    • Related Report
      2007 Annual Research Report
  • [Presentation] The 2-thio modification of cytosolic tRNA is Fe/S protein-dependent and required both CIA and ISC Machineries in Yeast2007

    • Author(s)
      Nakai, Y., et. al.
    • Organizer
      13th International Conference on Biologlcal Inorganic Chemistry
    • Place of Presentation
      University of Vienna(Austria)
    • Related Report
      2007 Annual Research Report
  • [Presentation] 酵母tRNAの2チオ修飾と鉄硫黄クラスター形成経路の関係2007

    • Author(s)
      中井 由実, 他
    • Organizer
      第30回日本分子生物学会年会・第80回日本生化学会大会合同大会(BMB2007)
    • Place of Presentation
      パシフィコ横浜・ヨコハマグランドイーンターコンチネンタルホテル(日本)
    • Related Report
      2007 Annual Research Report
  • [Remarks]

    • URL

      http://www.osaka-med.ac.jp/deps/med/research.htm

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.osaka-med.ac.jp/deps/med/research.htm

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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