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Functional analysis of CM2 in influenza C virus replication by using the mutants of the posttranslational modification sites

Research Project

Project/Area Number 22790439
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Virology
Research InstitutionKanazawa Medical University

Principal Investigator

OKUWA Takako  金沢医科大学, 医学部, 助教 (20460347)

Project Period (FY) 2010 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2010: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
KeywordsC型インフルエンザウイルス / CM2蛋白 / 翻訳後修飾
Research Abstract

To investigate the role(s) of CM2 in the virus replication, we generated and analysed recombinant influenza C viruses lacking the posttranslational modification sites. As a result, the recombinant viruses, in which the glycosylation site or three cysteine residues involved in oligomerization of CM2 were mutated to alanine, grew less efficiently than the wild-type virus. Analyses using virus-like particles revealed that glycosylation of CM2 is involved in the genome packaging and uncoating processes.

Report

(3 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • Research Products

    (17 results)

All 2011 2010

All Journal Article (12 results) (of which Peer Reviewed: 12 results) Presentation (5 results)

  • [Journal Article] Palmitoylation of CM2 is dispensable to influenza C virus replication2011

    • Author(s)
      Muraki Y, et al
    • Journal Title

      Virus Reserch

      Volume: 157 Issue: 1 Pages: 99-105

    • DOI

      10.1016/j.virusres.2011.02.013

    • Related Report
      2011 Annual Research Report 2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Reverse Genetic Analysis of the Eecombination in Theilovirus based on the Infectious cDNA Clones2011

    • Author(s)
      Himeda T, et al
    • Journal Title

      J Plant Pathol Microbiol

      Volume: 2 Issue: 04 Pages: 4-4

    • DOI

      10.4172/2157-7471.1000112

    • Related Report
      2011 Annual Research Report 2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] The Preparation of an infectious full-length cDNA clone of Saffold Virus2011

    • Author(s)
      Himeda T., et al
    • Journal Title

      Virol.J.

      Volume: 8 Issue: 1 Pages: 110-110

    • DOI

      10.1186/1743-422x-8-110

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] The anti-apoptotic protein L of Theiler's murine encephalomyelitis virus(TMEV) contains a mitochondrial targeting signal2011

    • Author(s)
      Himeda T., Okuwa T., Nojiri M., Muraki Y. and Ohara Y.
    • Journal Title

      Virus Res

      Volume: 155 Pages: 381-388

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] The preparation of an infectious full-length cDNA clone of Saffold virus.2011

    • Author(s)
      Himeda T., et al.
    • Journal Title

      Virol.J.

      Volume: 8 Pages: 110-110

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The anti-apoptotic protein L^* of Theiler's murine encephalomyelitis virus (TMEV) contains a mitochondrial targeting signal.2011

    • Author(s)
      Himeda T., et al.
    • Journal Title

      Virus Res.

      Volume: 155 Pages: 381-388

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Opposite effects of two nonstructural proteins of Theiler's murine encephalomyelitis virus regulates apoptotic cell death in BHK-21 cells2010

    • Author(s)
      Okuwa T., Taniura N., Saito M., Himeda T. and Ohara Y
    • Journal Title

      Microbiol. Immunol

      Volume: 54 Issue: 10 Pages: 639-643

    • DOI

      10.1111/j.1348-0421.2010.00260.x

    • NAID

      10029546016

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Activation of the PI3K. Akt pathway by human T cell leukemia virus type 1(HTLV-1) oncoprotein Tax increases Bcl3 expression, which is associated with enhanced growth of HTLV-1-infected T cells2010

    • Author(s)
      Saito K., Saito M., Taniura N., Okuwa T. and Ohara Y
    • Journal Title

      Virology

      Volume: 403 Issue: 2 Pages: 173-180

    • DOI

      10.1016/j.virol.2010.04.018

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Cytokine/chemokine profile in J774 macrophage cells persistently infected with DA strain of Theiler's murine encephalomyelitis virus(TMEV)2010

    • Author(s)
      Himeda T., Okuwa T., Muraki Y. and Ohara Y
    • Journal Title

      J. Neurovirol

      Volume: 16 Issue: 3 Pages: 219-229

    • DOI

      10.3109/13550284.2010.484040

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Opposite effects of two nonstructural proteins of Theiler's murine encephalomyelitis virus regulates apoptotic cell death in BHK-21 cells.2010

    • Author(s)
      Okuwa T., et al.
    • Journal Title

      Microbiol.Immunol.

      Volume: 54 Pages: 639-643

    • NAID

      10029546016

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Activation of the PI3K-Akt pathway by human T cell leukemia virus type 1 (HTLV-1) oncoprotein Tax increases Bc13 expression, which is associated with enhanced growth of HTLV-1-infected T cells.2010

    • Author(s)
      Saito K., et al.
    • Journal Title

      Virology

      Volume: 403 Pages: 173-180

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cytokine/chemokine profile in J774 macrophage cells persistently infected with DA strain of Theiler's murine encephalomyelitis virus (TMEV).2010

    • Author(s)
      Himeda T., et al.
    • Journal Title

      J.Neurovirol.

      Volume: 16 Pages: 219-229

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] C型インフルエンザウイルス感染性粒子産生におけるCM2蛋白の糖鎖付加の意義2011

    • Author(s)
      大桑孝子
    • Organizer
      第48回細菌学会中部支部総会
    • Place of Presentation
      名古屋大学シンポジオンホール(愛知県)
    • Year and Date
      2011-10-21
    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Presentation] Glycosylation of influen za C virus CM2 protein affects the ea rly phase of viral replication2011

    • Author(s)
      Takako Okuwa
    • Organizer
      IUMS 2011 Sapporo
    • Place of Presentation
      札幌コンベンションセンター(北海道)
    • Year and Date
      2011-09-13
    • Related Report
      2011 Final Research Report
  • [Presentation] Glycosylation of influenza C virus CM2 protein affects the early phase of viral replication2011

    • Author(s)
      Takako Okuwa
    • Organizer
      IUMS 2011 Sapporo
    • Place of Presentation
      札幌コンベンションセンター(北海道)
    • Year and Date
      2011-09-13
    • Related Report
      2011 Annual Research Report
  • [Presentation] C型インフルエンザウイルスのCM2蛋白糖鎖付加部位変異体の作製と解析2011

    • Author(s)
      大桑孝子
    • Organizer
      第25回インフルエンザ研究者交流の会シンポジウム
    • Place of Presentation
      富山国際会議場(富山県)
    • Year and Date
      2011-06-04
    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Presentation] C型インフルエンザウイルスの増殖におけるCM2蛋白の糖鎖付加の意義2010

    • Author(s)
      大桑孝子
    • Organizer
      第58回日本ウイルス学会学術集会
    • Place of Presentation
      あわぎんホール(徳島県)
    • Year and Date
      2010-11-08
    • Related Report
      2011 Final Research Report 2010 Annual Research Report

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Published: 2010-08-23   Modified: 2016-04-21  

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