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Functional analysis of Shigella secreted factors that maintain the architecture of infected host cells

Research Project

Project/Area Number 20590462
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Bacteriology (including Mycology)
Research InstitutionNational Institute of Infectious Diseases

Principal Investigator

TERAJIMA Jun  National Institute of Infectious Diseases, 細菌第一部, 室長 (70202190)

Co-Investigator(Kenkyū-buntansha) OHNISHI Makoto  国立感染症研究所, 細菌第一部, 部長 (10233214)
Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords細菌 / 感染症 / シグナル伝達
Research Abstract

To investigate the factors involved in the maintenance of the Shigella infected host cell, one of the secreted effectors, OspE2, was analyzed of its role during the infection. In addition to OspE2, two homologues of OspE2, EspO1-1 and EspO1-2, in enterohaemorrhagic Escherichia coli (EHEC) were also investigated for their roles during infection. The results suggested that these two OspE2 homologues in EHEC also play a role in maintaining the architecture of the infected cells but partly in a different mechanism involving RhoA-Rock signal cascade in the cell.

Report

(4 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (20 results)

All 2010 2009 2008 Other

All Journal Article (12 results) (of which Peer Reviewed: 4 results) Presentation (6 results) Book (1 results) Remarks (1 results)

  • [Journal Article] New system for multilocus variable-number tandem-repeat analysis of the enterohemorrhagic Escherichia coli strains belonging to three major serogroups : O157, O26, and O111.2010

    • Author(s)
      Izumiya H, Pei Y, Terajima J, Ohnishi M, Hayashi T, Iyoda S, Watanabe H
    • Journal Title

      Microbiology and Immunology 54

      Pages: 569-577

    • NAID

      10029545810

    • Related Report
      2010 Final Research Report
  • [Journal Article] Development and evaluation of multilocus variable number tandem repeat analysis for fine typing and phylogenetic analysis of Salmonella enterica serovar Typhimurium.2010

    • Author(s)
      Chiou CS, Hung CS, Torpdahl M, Watanabe H, Tung SK, Terajima J, Liang SY, Wang YW
    • Journal Title

      142

      Pages: 67-73

    • Related Report
      2010 Final Research Report
  • [Journal Article] New system for multilocus variable-number tandem-repeat analysis of the enterohemorrhagic Escherichia coli strains belonging to three major serogroups : O157, O26, and O111.2010

    • Author(s)
      Izumiya H, Pei Y, Terajima J, Ohnishi M, Hayashi T, Iyoda S, Watanabe H
    • Journal Title

      Microbiology and Immunology

      Volume: 54 Pages: 569-577

    • NAID

      10029545810

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Development and evaluation of multilocus variable number tandem repeat analysis for fine typing and phylogenetic analysis of Salmonella ente rica serovar Typhimurium.2010

    • Author(s)
      Chiou CS, Hung CS, Torpdahl M, Watanabe H, Tung SK, Terajima J, Liang SY, Wang YW
    • Journal Title

      International Journal of Food Microbiology

      Volume: 142 Pages: 67-73

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Characterization of Shigella sonnei isolates from travel-associated cases in Japan2009

    • Author(s)
      Izumiya H, Tada Y, Itoh K, Nishimura K, Morita-Ishihara T, Ohnishi M, Terajima J, Watanabe H
    • Journal Title

      58

      Pages: 1486-1491

    • Related Report
      2010 Final Research Report
  • [Journal Article] Interaction between Enterohemorrhagic Escherichia coli O157:H7 EspFu and IRSp53 induces dynamic membrane remodeling in epithelial cells2009

    • Author(s)
      Morita-Ishihara T, Terajima J, Watanabe H, Izumiya H
    • Journal Title

      62

      Pages: 351-355

    • NAID

      40016750204

    • Related Report
      2010 Final Research Report
  • [Journal Article] Characterization of Shigella sonnei isolates from travel-associated cases in Japan2009

    • Author(s)
      Izumiya H, Tada Y, Itoh K, Nishimura K, Morita-Ishihara T, Ohnishi M, Terajima J, Watanabe H
    • Journal Title

      Journal of Medical Microbiology VOL.58

      Pages: 1486-1491

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Interaction between Enterohemorrhagic Escherichia coil O157:H7 EspFu and IRSp53 induces dynamic membrane remodeling in epithelial cells2009

    • Author(s)
      Morita-Ishihara T, Terajima J, Watanabe H, Izumiya H
    • Journal Title

      Japanese Journal of Infectious Diseases VOL.62

      Pages: 351-355

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 腸管出血性大腸菌による食中毒2008

    • Author(s)
      寺嶋淳
    • Journal Title

      化学療法の領域 24

      Pages: 1017-1024

    • Related Report
      2010 Final Research Report 2008 Annual Research Report
  • [Journal Article] 無症状の病原性大腸菌が検出された場合2008

    • Author(s)
      寺嶋淳
    • Journal Title

      検査と技術 36

      Pages: 862-864

    • Related Report
      2010 Final Research Report 2008 Annual Research Report
  • [Journal Article] 腸管出血性大腸菌O157の近年の発生状況について-分子疫学的解析からわかること2008

    • Author(s)
      寺嶋淳
    • Journal Title

      獣医公衆衛生研究 10

      Pages: 8-10

    • NAID

      40016180374

    • Related Report
      2010 Final Research Report
  • [Journal Article] 腸管出血性大腸菌0157の近年の発生状況について-分子疫学的解析からわかること2008

    • Author(s)
      寺嶋淳
    • Journal Title

      獣医公衆衛生研究 10

      Pages: 8-10

    • Related Report
      2008 Annual Research Report
  • [Presentation] 腸管出血性大腸菌の分子疫学と広域ネットワーク2010

    • Author(s)
      寺嶋淳、伊豫田淳、泉谷秀昌、三戸部治郎、石原朋子、大西真
    • Organizer
      第59回日本感染症学会東日本地方会学術集会
    • Place of Presentation
      東京
    • Year and Date
      2010-10-21
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] 腸管出血性大腸菌におけるLEE遺伝子群のマスターレギュレーターPchのグローバル発現制御機構の解析2010

    • Author(s)
      伊豫田淳,寺嶋淳,大西真
    • Organizer
      第92回日本細菌関東支部総会
    • Place of Presentation
      東京
    • Year and Date
      2010-10-14
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] Membrane remodeling in epithelial cells induced by interaction between EHEC EspFu and IRSp532010

    • Author(s)
      石原朋子、泉谷秀昌、寺嶋淳、渡辺治雄
    • Organizer
      第83回日本細菌学会総会
    • Year and Date
      2010-03-27
    • Related Report
      2010 Final Research Report 2009 Annual Research Report
  • [Presentation] Interaction between Enterohemorrhagic Escherichia coli O157:H7 EspFu and IRSp53 induces dynamic membrane remodeling in epithelial cells2009

    • Author(s)
      石原朋子、寺嶋淳、渡邉治雄、泉谷秀昌
    • Organizer
      第92回日本細菌学会関東支部総会
    • Place of Presentation
      東京
    • Year and Date
      2009-11-05
    • Related Report
      2010 Final Research Report
  • [Presentation] Interaction between Enterohemorrhagic Escherichia coli O157:H7 EspFu and IRSp53 induces dynamic membrane remodeling in epithelial cells2009

    • Author(s)
      石原朋子、寺嶋淳、渡邉治雄、泉谷秀昌
    • Organizer
      第92回日本細菌学会関東支部総会
    • Place of Presentation
      東京医科歯科大学(東京都)
    • Year and Date
      2009-11-05
    • Related Report
      2009 Annual Research Report
  • [Presentation] 赤痢菌による感染上皮細胞の破壊抑制機構についての解析2009

    • Author(s)
      石原朋子
    • Organizer
      第82回日本細菌学会総会
    • Place of Presentation
      名古屋国際会議場
    • Year and Date
      2009-03-12
    • Related Report
      2008 Annual Research Report
  • [Book] 食品由来感染症と食品微生物2009

    • Author(s)
      寺嶋淳
    • Publisher
      中央法規出版
    • Related Report
      2010 Final Research Report 2009 Annual Research Report
  • [Remarks] ホームページ等

    • Related Report
      2010 Final Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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