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Identification of novel effector-like secreted protein from Group A streptococcus

Research Project

Project/Area Number 26860285
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Bacteriology (including mycology)
Research InstitutionKyoto University

Principal Investigator

Aikawa Chihiro  京都大学, 医学(系)研究科(研究院), 助教 (70725499)

Project Period (FY) 2014-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2015: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords分泌タンパク質 / 42 kDa protein / A群レンサ球菌 / Group A streptococcus / 感染動態 / オートファジー / 細胞内生存
Outline of Final Research Achievements

Group A Streptococcus (GAS) possesses a number of secreted proteins, but their precise roles at different infection stages including host cell adhesion, invasion and intracellular survival are largely unknown. Here, we identified 42 kDa protein as a novel candidate secreted protein of GAS regulating bacterial cell adhesion/invasion, autophagy and cytotoxicity. Our results suggests that 42 kDa protein is an Important clue in evaluating the infection status of GAS in host cells at different stages of infection.

Report

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

    (8 results)

All 2016 2015 2014

All Journal Article (6 results) (of which Peer Reviewed: 6 results,  Open Access: 5 results,  Acknowledgement Compliant: 1 results) Presentation (2 results)

  • [Journal Article] Golgi-Resident GTPase Rab30 Promotes the Biogenesis of Pathogen-Containing Autophagosomes.2016

    • Author(s)
      Oda S, Nozawa T, Nozawa-Minowa A, Tanaka M, Aikawa C, Harada H, Nakagawa I.
    • Journal Title

      PLoS One

      Volume: 11 Issue: 1 Pages: e0147061-e0147061

    • DOI

      10.1371/journal.pone.0147061

    • NAID

      120005743648

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Intraindividual variation in core microbiota in peri-implantitis and periodontitis.2014

    • Author(s)
      N. Maruyama, F. Maruyama, Y. Takeuchi, C. Aikawa, Y. Izumi, I. Nakagawa.
    • Journal Title

      Scientific Reports

      Volume: 13 Issue: 1 Pages: 6602-6602

    • DOI

      10.1038/srep06602

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] New insights from infection-specific gene expression network.2014

    • Author(s)
      H. Abe, C. Aikawa, A. Nakabachi, M. Miyakoshi, F. Maruyama.
    • Journal Title

      Nihon Saikingaku Zasshi

      Volume: 69 Pages: 539-546

    • NAID

      130004688032

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Journal Article] Comparative genome analysis and identification of competitive and cooperative interactions in a polymicrobial disease.2014

    • Author(s)
      A. Endo, T. Watanabe, N. Ogata, T. Nozawa, C. Aikawa, S. Arakawa, F. Maruyama, Y. Izumi, I. Nakagawa.
    • Journal Title

      ISME Journal

      Volume: 9 Issue: 3 Pages: 629-642

    • DOI

      10.1038/ismej.2014.155

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Rab17-mediated recycling endosomes contribute to autophagosome formation in response to Group A Streptococcus invasion.2014

    • Author(s)
      B. Haobam, T. Nozawa, A. Minowa-Nozawa, M. Tanaka, S. Oda, T. Watanabe, C. Aikawa, F. Maruyama, I. Nakagawa.
    • Journal Title

      Cellular Microbiology

      Volume: 16 Issue: 12 Pages: 1806-1821

    • DOI

      10.1111/cmi.12329

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] The staphylococcal elastin-binding protein regulates zinc-dependent growth/biofilm formation.2014

    • Author(s)
      M. Nakakido, C. Aikawa, I. Nakagawa, K. Tsumoto.
    • Journal Title

      The Journal of Biochemistry

      Volume: 156 Issue: 3 Pages: 155-162

    • DOI

      10.1093/jb/mvu027

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] NLRX1 regulates the GAS induced-autophagy in epithelial cells2016

    • Author(s)
      相川知宏、野澤孝志、中島慎太郎、丸山史人、中川一路
    • Organizer
      第89回日本細菌学会総会
    • Place of Presentation
      大阪国際交流センター
    • Year and Date
      2016-03-23
    • Related Report
      2015 Annual Research Report
  • [Presentation] 細菌感染特異的オートファジーにおけるBeclin1の役割2015

    • Author(s)
      相川知宏、野澤孝志、中島慎太郎、今村拓郎、丸山史人、中川一路
    • Organizer
      第88回日本細菌学会総会
    • Place of Presentation
      長良川国際会議場
    • Year and Date
      2015-03-26 – 2015-03-28
    • Related Report
      2014 Research-status Report

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Published: 2014-04-04   Modified: 2017-05-10  

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