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Analysis of intracellular pathogenesis of Legionella in the host

Research Project

Project/Area Number 24790425
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Bacteriology (including Mycology)
Research InstitutionTokyo University of Pharmacy and Life Science

Principal Investigator

ARASAKI Kohei  東京薬科大学, 生命科学部, 助教 (70609990)

Project Period (FY) 2012-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywordsレジオネラ菌 / レジオネラエフェクター / 細胞内膜輸送 / 繋留因子 / 細胞内小胞輸送 / Rabタンパク質 / SNAREタンパク質
Research Abstract

Legionella pneumophila (L. pneumophila) is a pathogenic microbe that cause sever pneumonia. In L. pneumophila infection to the host cell, L. pneumophila hijack intracellular trafficking pathway and Legionella effector proteins that are secreted from the L. pneumophila to the host cell play a crucial role in this hijacking. In this study, I revealed that one of the Legionella effector protein, DrrA manipulates exocyst complex (host protein complex) that is implicated in the intracellular trafficking and manipulation of exocyst complex by DrrA is required for the effective intracellular growth of L. pneumophila.

Report

(3 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • Research Products

    (17 results)

All 2014 2013 2012 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (12 results) (of which Invited: 1 results) Book (2 results)

  • [Journal Article] A new role for RINT-1 in SNARE complex assembly at the trans-Golgi network in coordination with the COG complex.2013

    • Author(s)
      A new role for RINT-1 in SNARE complex assembly at the trans-Golgi network in coordination with the COG complex.
    • Journal Title

      Mol Biol Cell

      Volume: 24 Issue: 18 Pages: 2907-2917

    • DOI

      10.1091/mbc.e13-01-0014

    • Related Report
      2013 Annual Research Report 2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Contribution of the long form of syntaxin 5 to the organization of the endoplasmic reticulum2012

    • Author(s)
      Miyazaki, K., Wakana, Y., Noda, C., Arasaki, K., Furuno, A., and Tagaya, M.
    • Journal Title

      J. Cell Sci

      Volume: 125 Issue: 23 Pages: 5658-5666

    • DOI

      10.1242/jcs.105304

    • Related Report
      2013 Final Research Report 2012 Research-status Report
    • Peer Reviewed
  • [Journal Article] The Legionella pneumophila effector DrrA is sufficient to stimulate SNARE-dependent membrane fusion.2012

    • Author(s)
      Arasaki K, Toomre DK, Roy CR.
    • Journal Title

      Cell Host Microbe.

      Volume: 19 Issue: 1 Pages: 46-57

    • DOI

      10.1016/j.chom.2011.11.009

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Presentation] レジオネラ菌の小胞体への侵入にはRab6が機能する2014

    • Author(s)
      川端美緒、加藤郁子、新崎恒平
    • Organizer
      第87回日本細菌学会総会
    • Place of Presentation
      船堀
    • Related Report
      2013 Annual Research Report
  • [Presentation] Rab4及びRab10のレジオネラ感染における機能解析2014

    • Author(s)
      加藤郁子、川端美緒、新崎恒平
    • Organizer
      第87回日本細菌学会総会
    • Place of Presentation
      船堀
    • Related Report
      2013 Annual Research Report
  • [Presentation] レジオネラエフェクターLidAを通じたレジオネラ感染に関与するRabタンパク質の網羅的探索2013

    • Author(s)
      川端美緒、新崎恒平
    • Organizer
      第86回日本細菌学会総会ポスター及びワークショップ
    • Place of Presentation
      千葉
    • Related Report
      2013 Final Research Report
  • [Presentation] レジオネラエフェクターLidAを通じたレジオネラ感染に関与するRabタンパク質の網羅的探索2013

    • Author(s)
      川端美緒、新崎恒平
    • Organizer
      第86回日本細菌学会総会
    • Place of Presentation
      千葉
    • Related Report
      2012 Research-status Report
  • [Presentation] 小胞体とミトコンドリアの接触部位におけるsyntaxin 17の役割2012

    • Author(s)
      多賀谷光男、新崎恒平
    • Organizer
      第86回日本生化学大会シンポジウム
    • Place of Presentation
      横浜
    • Related Report
      2013 Final Research Report
  • [Presentation] レジオネラエフェクターであるDrrAはER小胞とLCV膜との融合を促進する2012

    • Author(s)
      新崎恒平、川端美緒、Derek Toomre、多賀谷光男、Craig Roy
    • Organizer
      第85回日本生化学大会シンポジウム
    • Place of Presentation
      福岡
    • Related Report
      2013 Final Research Report
  • [Presentation] syntaxin17はmitochondria-associated membrane (MAM)に局在し、脂肪滴の形成に関与する2012

    • Author(s)
      清水浩顕、茂刈寛史、西田直貴、新崎恒平、多賀谷光男
    • Organizer
      第85回日本生化学大会
    • Place of Presentation
      福岡 ポスター
    • Related Report
      2013 Final Research Report
  • [Presentation] VIMPは微小管結合タンパク質との相互作用を介して小胞体の形態を調整する2012

    • Author(s)
      野田睦乃、松下充、新崎恒平、多賀谷光男
    • Organizer
      第85回日本生化学大会
    • Place of Presentation
      福岡 ポスター
    • Related Report
      2013 Final Research Report
  • [Presentation] 小胞体とミトコンドリアの接触部位におけるsyntaxin 17の役割

    • Author(s)
      多賀谷光男、新崎恒平
    • Organizer
      第86回日本生化学大会
    • Place of Presentation
      横浜
    • Related Report
      2013 Annual Research Report
  • [Presentation] レジオネラエフェクターであるDrrAはER小胞とLCV膜との融合を促進する

    • Author(s)
      新崎恒平、川端美緒、Derek Toomre、多賀谷光男、Craig Roy
    • Organizer
      第85回日本生化学大会
    • Place of Presentation
      福岡
    • Related Report
      2012 Research-status Report
    • Invited
  • [Presentation] syntaxin17はmitochondria-associated membrane (MAM)に局在し、脂肪滴の形成に関与する

    • Author(s)
      清水浩顕、茂刈寛史、西田直貴、新崎恒平、多賀谷光男
    • Organizer
      第85回日本生化学大会
    • Place of Presentation
      福岡
    • Related Report
      2012 Research-status Report
  • [Presentation] VIMPは微小管結合タンパク質との相互作用を介して小胞体の形態を調整する

    • Author(s)
      野田睦乃、松下充、新崎恒平、多賀谷光男
    • Organizer
      第85回日本生化学大会
    • Place of Presentation
      福岡
    • Related Report
      2012 Research-status Report
  • [Book] オルガネラ接触部位:多様な機能と疾患、実験医学、Vol 31、No.112013

    • Author(s)
      多賀谷光男、谷佳津子、新崎恒平
    • Related Report
      2013 Final Research Report
  • [Book] 実験医学2013

    • Author(s)
      多賀谷光男、谷佳津子、新崎恒平
    • Total Pages
      7
    • Publisher
      羊土社
    • Related Report
      2013 Annual Research Report

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Published: 2013-05-31   Modified: 2019-07-29  

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