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Analysis of spatiotemporal regulation of membrane traffic from the ER

Research Project

Project/Area Number 25440079
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Cell biology
Research InstitutionThe University of Tokyo

Principal Investigator

SATO Ken  東京大学, 総合文化研究科, 准教授 (00303602)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords小胞体 / COPII / 低分子量GTPase / 小胞輸送
Outline of Final Research Achievements

Molecular mechanisms of ER exit site formation and its spatiotemporal regulation was analyzed, and a novel GTPase-activating protein (GAP) for Sar1, Nel1, was identified. Nel1 was shown to potentially regulate ER exit site formation through its GAP activity. Furthermore, domain analysis of Sec16, which has been described as the organizer of the ER exit site, identified the roles of its N-terminal, central CCD, and C-terminal domain during ER exit site formation.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (14 results)

All 2015 2014 2013

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Acknowledgement Compliant: 1 results,  Open Access: 1 results) Presentation (10 results) (of which Int'l Joint Research: 1 results,  Invited: 2 results)

  • [Journal Article] Distribution of Sec24 isoforms to each ER exit site is dynamically regulated in Saccharomyces cerevisiae2015

    • Author(s)
      Iwasaki, H., Yorimitsu, T., Sato, K.
    • Journal Title

      FEBS Letters

      Volume: 589 Issue: 11 Pages: 1234-1239

    • DOI

      10.1016/j.febslet.2015.04.006

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 細胞内輸送でタンパク質を目的地へ:小胞体から始まる小胞輸送2015

    • Author(s)
      佐藤 健
    • Journal Title

      膜(Membrane)

      Volume: 40 Pages: 2-8

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Journal Article] Sec23 homolog Nel1 is a novel GTPase-activating protein for Sar1 but does not function as a subunit of the COPII coat.2014

    • Author(s)
      Kodera, C., Yorimitsu, T., Sato, K.
    • Journal Title

      J. Biol. Chem.

      Volume: 289 Issue: 31 Pages: 21423-21432

    • DOI

      10.1074/jbc.m114.553917

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Molecular mechanisms of Sar/Arf GTPases in vesicular trafficking in yeast and plants.2014

    • Author(s)
      Yorimitsu, T., Sato, K., Takeuchi, M.
    • Journal Title

      Front. Plant Sci.

      Volume: 5 Pages: 411-411

    • DOI

      10.3389/fpls.2014.00411

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Sec16 N末端領域によるCOPIIタンパク質の制御とCOPII小胞の形成機構2015

    • Author(s)
      依光朋宏、佐藤 健
    • Organizer
      第88回日本生化学会大会
    • Place of Presentation
      神戸国際会議場(兵庫県神戸市)
    • Year and Date
      2015-12-01
    • Related Report
      2015 Annual Research Report
  • [Presentation] VISUALIZATION OF COPII MINIMAL MACHINERY DURING MEMBRANE ASSOCIATION IN AN ARTIFICIAL PLANAR LIPID BILAYER2015

    • Author(s)
      Iwasaki, H., Sato, K.
    • Organizer
      新学術領域「動的秩序と機能」第4回公開国際シンポジウム
    • Place of Presentation
      九州大学・西新プラザ(福岡県福岡市)
    • Year and Date
      2015-11-22
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 小胞体における輸送小胞形成の時空間制御2015

    • Author(s)
      佐藤 健
    • Organizer
      第13回日本糖鎖科学コンソーシアムシンポジウム
    • Place of Presentation
      愛知県産業労働センター(愛知県名古屋市)
    • Year and Date
      2015-10-19
    • Related Report
      2015 Annual Research Report
    • Invited
  • [Presentation] 動態解析により得られたCOPⅡ小胞形成因子の膜への集合モデル2015

    • Author(s)
      岩崎寛彦、佐藤 健
    • Organizer
      第67回日本細胞生物学会
    • Place of Presentation
      タワーホール船堀(東京都江戸川区)
    • Year and Date
      2015-06-30
    • Related Report
      2015 Annual Research Report
  • [Presentation] 人工脂質平面膜を用いたCOPⅡ小胞形成因子の動態解析2014

    • Author(s)
      岩崎寛彦、佐藤 健
    • Organizer
      第87回日本生化学会大会
    • Place of Presentation
      国立京都国際会館(京都府京都市)
    • Year and Date
      2014-10-15 – 2014-10-18
    • Related Report
      2014 Research-status Report
  • [Presentation] COPII小胞形成におけるSec16 N末端領域の機能解析2014

    • Author(s)
      依光朋宏、佐藤 健
    • Organizer
      第87回日本生化学会大会
    • Place of Presentation
      国立京都国際会館(京都府京都市)
    • Year and Date
      2014-10-15 – 2014-10-18
    • Related Report
      2014 Research-status Report
  • [Presentation] 出芽酵母をモデルとした小胞体における輸送小胞形成の時空間制御2014

    • Author(s)
      佐藤 健
    • Organizer
      第186回酵母細胞研究会例会
    • Place of Presentation
      キリンビール(株)横浜工場総合棟ホール(神奈川県横浜市)
    • Year and Date
      2014-07-11
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] 出芽酵母における小胞体出口部位の多様性についての解析2013

    • Author(s)
      岩崎寛彦、依光朋宏、佐藤 健
    • Organizer
      第86回日本生化学会大会
    • Place of Presentation
      パシフィコ横浜
    • Related Report
      2013 Research-status Report
  • [Presentation] 出芽酵母における新規Sar1 GAP, Nel1の解析から見出された核内Sar1の機能2013

    • Author(s)
      小寺千絵、依光朋宏、佐藤 健
    • Organizer
      第86回日本生化学会大会
    • Place of Presentation
      パシフィコ横浜
    • Related Report
      2013 Research-status Report
  • [Presentation] Sec16によるER exit sites形成メカニズムの解析2013

    • Author(s)
      依光朋宏、佐藤 健
    • Organizer
      第86回日本生化学会大会
    • Place of Presentation
      パシフィコ横浜
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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