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Studies on the SubAB toxin, its target organs, and its quick identification

Research Project

Project/Area Number 19390124
Research Category

Grant-in-Aid for Scientific Research (B)

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

Principal Investigator

NODA Masatoshi  Chiba University, 大学院・医学研究院, 教授 (60164703)

Co-Investigator(Kenkyū-buntansha) MORINAGA Naoko  千葉大学, 大学院・医学研究院, 准教授 (20092108)
KUWABARA Satoshi  千葉大学, 大学院・医学研究院, 教授 (70282481)
SHIMIZU Takeshi  千葉大学, 大学院・医学研究院, 講師 (70312840)
MORI Masahiro  千葉大学, 大学院・医学研究院, 講師 (70345023)
Co-Investigator(Renkei-kenkyūsha) MORINAGA Naoko  千葉大学, 大学院・医学研究院, 准教授 (20092108)
KUWABARA Satoshi  千葉大学, 大学院・医学研究院, 教授 (70282481)
SHIMIZU Takeshi  千葉大学, 大学院・医学研究院, 講師 (70312840)
MORI Masahiro  千葉大学, 大学院・医学研究院, 講師 (70345023)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥19,370,000 (Direct Cost: ¥14,900,000、Indirect Cost: ¥4,470,000)
Fiscal Year 2008: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2007: ¥14,820,000 (Direct Cost: ¥11,400,000、Indirect Cost: ¥3,420,000)
KeywordsSubAB / EHEC / Stx / AB成分毒素ファミリー / STEC / 0157 / O157
Research Abstract

蛍光色素で標識した精製SubABを作製した.この毒素の標的臓器は上部消化管であると推察された.
臨床分離株大腸菌におけるSubAB産生株の出現頻度について解析した.使用したEHEC29株中、全株がStxを産生しており、2株だけがsubAB遺伝子を保有し、かつSubAB毒素を産生してた.
SubAB産生株を効率良く迅速に検出するためのキット作製には、SubAB毒素の特異的酵素活性による検出法が有効と結論された.

Report

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

    (17 results)

All 2009 2008 2007

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (9 results)

  • [Journal Article] Effect of Gb3 in lipid rafts in resistance to Shiga-like toxin of mutant Vero cells2008

    • Author(s)
      Hanashima, T., M. Miyake, K. Yahiro, Y. Iwamaru, A. Ando, N. Morinaga and M. Noda
    • Journal Title

      Microb Pathog 45

      Pages: 124-133

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Subtilase cytotoxin, produced by Shiga-toxigenic Escherichia coli, transiently inhibits protein synthesis of Vero cells via degradation of BiP, induces cell cycle arrest at G1 by downregulation of cyclin D12008

    • Author(s)
      Morinaga, N., K. Yahiro, G. Matsuura, J. Moss and M. Noda
    • Journal Title

      Cell Microbiol 10

      Pages: 921-929

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effect of Gb3 in lipid rafts in resistance to Shiga-like toxin of mutant Vero cells2008

    • Author(s)
      Hanashima, T., M. Miyake, K. Yahiro, Y. Iwamaru, A. Ando, N. Morinaga, and M. Noda
    • Journal Title

      Microb Pathog 45

      Pages: 124-133

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Subtilase cytotoxin, produced by Shiga-toxigenic Escherichia coli, transiently inhibits protein synthesis of Vero cells via degradation of BiP and induces cell cycle arrest at GI by downregulation of cyclin Dl2008

    • Author(s)
      Morinaga, N., K. Yahiro, G. Matsuura, J. Moss, and M. Noda
    • Journal Title

      Cell Microbio1 10

      Pages: 921-929

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inhibitory effects of various plant polyphenols on the toxicity of Staphylococcal alpha-toxin2007

    • Author(s)
      Choi O, Yahiro K, Morinaga N, Miyazaki M, Noda M
    • Journal Title

      Microb Pathog 42

      Pages: 215-224

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Two distinct cytotoxic activities of subtilase cytotoxin produced by shiga-toxigenic Escherichia coli2007

    • Author(s)
      Morinaga N, Yahiro K, Matsuura G, et al.(省略4名)
    • Journal Title

      Infect Immun 75(7番目に掲載)

      Pages: 488-496

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Inhibitoly effeots of various plant polyphenols on the toxicity of Staphylococcal alpha-toxin2007

    • Author(s)
      Choi O, Yahiro K, Morinaga N, Miyazaki M, Noda M.
    • Journal Title

      Microb Pathog 42

      Pages: 215-224

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Two distinct cytotoxic activities of subtilase cytotoxin produced by shiga-toxigenic Escherichia coli2007

    • Author(s)
      Morinaga N, Yahiro K, Matsuura G, et. al.
    • Journal Title

      Infect Immun 75

      Pages: 488-496

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] STECの産生するsubtilase cytotoxin によるVero細胞蛋白合成阻害機構と細胞周期への影響2009

    • Author(s)
      盛永直子・八尋錦之助・松浦玄・野田公俊
    • Organizer
      日本細菌学会
    • Place of Presentation
      愛知県(名古屋国際会議場)
    • Year and Date
      2009-03-12
    • Related Report
      2008 Final Research Report
  • [Presentation] STECの産生するsubtilase cytotoxinによるVero細胞蛋白合成阻害機構と細胞周期への影響2009

    • Author(s)
      盛永直子・八尋錦之助・松浦玄・野田公俊
    • Organizer
      日本細菌学会
    • Place of Presentation
      愛知県(名古屋国際会議場)
    • Year and Date
      2009-03-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] Subtilase cytotoxin induced G1 arrest of Vero cells through degradation of cyclon D12008

    • Author(s)
      Naoko Moringa, Kinnosuke Yahiro, Joel Moss, Masatoshi Noda
    • Organizer
      Cholera, other bacterial entericinfections
    • Place of Presentation
      福岡県(九州大学医学部百年講堂)
    • Year and Date
      2008-11-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Subtilase cytotoxin induced Gl arrest of Vero cells through degradation of cyclon Dl2008

    • Author(s)
      Naoko Moringa, Kinnosuke Yahiro, Joel Moss, Masatoshi Noda
    • Organizer
      Cholera and other bacterial enteric infections
    • Place of Presentation
      福岡県(九州大学医学部百年講堂)
    • Year and Date
      2008-11-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] STECの産生するsubtilase cytotoxin(SubAB) によるVero細胞のG1 アレスト誘導機構2008

    • Author(s)
      盛永直子・八尋錦之助・野田公俊
    • Organizer
      毒素シンポジウム
    • Place of Presentation
      山梨県(ラフォーレ山中湖)
    • Year and Date
      2008-07-03
    • Related Report
      2008 Final Research Report
  • [Presentation] STECの産生するsubtilase cytotoxin (SubAB)によるVero細胞のG1アレスト誘導機構2008

    • Author(s)
      盛永直子・八尋錦之助・野田公俊
    • Organizer
      毒素シンポジウム
    • Place of Presentation
      山梨県(ラフォーレ山中湖)
    • Year and Date
      2008-07-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] STECの産生する新規ABサブユニット毒素の性状2007

    • Author(s)
      盛永直子・八尋錦之助・松浦玄・野田公俊
    • Organizer
      毒素シンポジウム
    • Place of Presentation
      山梨県(八ヶ岳ロイヤルホテル)
    • Year and Date
      2007-07-06
    • Related Report
      2008 Final Research Report
  • [Presentation] STECの産生する新規ABサブユニット毒素の性状2007

    • Author(s)
      盛永 直子, 八尋 錦之助, 松浦 玄, 野田 公俊
    • Organizer
      毒素シンポジウム
    • Place of Presentation
      山梨県(八ケ岳ロイヤルホテル)
    • Year and Date
      2007-07-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] STECの産生する新規AB5サブユニット毒素SubAbのBiP分解活性2007

    • Author(s)
      盛永直子・八尋錦之助・松浦玄・野田公俊
    • Organizer
      日本細菌学会
    • Place of Presentation
      大阪府(アジア太平洋トレードセンター)
    • Year and Date
      2007-03-26
    • Related Report
      2008 Final Research Report

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

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