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Analysis of immune regulation by Enterohemorrhagic E. coli

Research Project

Project/Area Number 19590445
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Bacteriology (including Mycology)
Research InstitutionOsaka University

Principal Investigator

ABE Hiroyuki  Osaka University, 微生物病研究所, 助教 (00379265)

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: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2007: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords病原性 / 腸管出血性大腸菌 / 脂質ラフト / 感染症
Research Abstract

腸管出血性大腸菌の感染成立時に宿主細胞膜上の脂質ラフトに埋め込まれるNleH 蛋白質依存的に脂質ラフトに集積する蛋白質の解析およびNleH 依存的な免疫応答に関わるシグナル伝達系の解明さらに機能未知のエフェクター分子群の中から免疫応答に関与する分子の分離同定を試みた。NleH 依存的に集積する蛋白質や相互作用する蛋白質の同定はできなかった。NleH によるNfkBの活性化にはp38 の活性化制御が必要であることを示唆するデータが得られた。また、機能未知の26 種類のエフェクター分子の全ては感染細胞の膜分画に局在することが明らかとなり細胞膜あるいはオルガネラ膜上で細胞機能制御を起こすエフェクター分子の存在が示唆された

Report

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

    (3 results)

All 2008

All Journal Article (3 results) (of which Peer Reviewed: 3 results)

  • [Journal Article] Systematic identification and sequence analysis of the genomic islands of the enteropathogenic Escherichia coli strain B171-8 by the combined use of whole-genome PCR scanning and fosmid mapping.2008

    • Author(s)
      Ogura Y, Abe H, Katsura K, Kurokawa K, Asadulghani M, Iguchi A, Ooka T, Nakayama K, Yamashita A, Hattori M, Tobe T, Hayashi T.
    • Journal Title

      J Bacteriol Vol.190, no.21

      Pages: 6948-6960

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Global regulation by horizontally transferred regulators establishes the pathogenicity of Escherichia coli.2008

    • Author(s)
      Abe H, Miyahara A, Oshima T, Tashiro K, Ogura Y, Kuhara S, Ogasawara N, Hayashi T, Tobe T
    • Journal Title

      DNA Res Vol.15, no.1

      Pages: 25-38

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Global Regulation by Horizontally Transferred Regulators Establishes the Pathogenicity of Escherichia coli.2008

    • Author(s)
      Abe H., et. al.
    • Journal Title

      DNA Research 15

      Pages: 25-38

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed

URL: 

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

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