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Roles of condensins in mammalian meiosis

Research Project

Project/Area Number 20780203
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Applied animal science
Research InstitutionThe Institute of Physical and Chemical Research

Principal Investigator

LEE Jibak  The Institute of Physical and Chemical Research, 平野染色体ダイナミクス研究室, 協力研究員 (50372660)

Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords減数分裂 / コンデンシン / コヒーシン / 卵母細胞 / 精母細胞 / 相同染色体 / 二価染色体 / 姉妹染色分体
Research Abstract

I clarified the spatiotemporal dynamics of condensin I and condensin II during meiosis of mouse oocytes. In the assembly of bivalent chromosomes, both condensins are involved in chromosome condensation and segregation, and establishment of monopolar attachment of sister kinetochores in meiosis. In addition, I identified a new meiosis-specific cohesin subunit RAD21L. It is suggested that RAD21L might be involved in synapsis and recombination of homologous chromosomes from its specific expression in prophae I and its localization on the synaptonemal complex.

Report

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

    (14 results)

All 2011 2010 2009 2008

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (12 results)

  • [Journal Article] RAD21L, a novel cohesin subunit implicated in linking homologous chromosomes in mammalian meiosis.2011

    • Author(s)
      Jibak Lee, Tatsuya Hirano
    • Journal Title

      Journal of Cell Biology Vol.192

      Pages: 263-276

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] RAD21L, a novel cohesin subunit implicated in linking homologous chromosomes in mammalian meiosis2011

    • Author(s)
      Jibak Lee
    • Journal Title

      Journal of Cell Biology

      Volume: 192 Pages: 263-276

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] マウスにおける減数分裂特異的な新規コヒーシンサブユニットの動態2010

    • Author(s)
      李智博
    • Organizer
      第33回分子生物学会年会・第83回日本生化学会大会
    • Place of Presentation
      神戸
    • Year and Date
      2010-12-09
    • Related Report
      2010 Final Research Report
  • [Presentation] マウスにおける減数分裂特異的な新規コヒーシンサブユニットの動態2010

    • Author(s)
      李智博
    • Organizer
      第33回日本分子生物学会年会・第83回日本生化学会大会合同大会
    • Place of Presentation
      神戸
    • Year and Date
      2010-12-09
    • Related Report
      2010 Annual Research Report
  • [Presentation] Regulation of chromosome dynamics by cohesins in mammalian meiosis, Czech-Japan Joint Symposium for Animal Reproduction2010

    • Author(s)
      Jibak Lee
    • Organizer
      From gametes to stem cells
    • Place of Presentation
      Bysice, Czech Republic.
    • Year and Date
      2010-09-20
    • Related Report
      2010 Final Research Report
  • [Presentation] Regulation of chromosome dynamics by cohesins in mammalian meiosis2010

    • Author(s)
      Jibak Lee
    • Organizer
      Czech-Japan Joint Symposium for Animal Reproduction "From gametes to stem cells"
    • Place of Presentation
      Bysice, Czech Republic
    • Year and Date
      2010-09-20
    • Related Report
      2010 Annual Research Report
  • [Presentation] マウス卵母細胞の染色体動態制御におけるコンデンシンの役割2009

    • Author(s)
      李智博
    • Organizer
      第102回日本繁殖生物学会大会
    • Place of Presentation
      奈良
    • Year and Date
      2009-09-11
    • Related Report
      2010 Final Research Report
  • [Presentation] マウス卵母細胞の染色体動態制御におけるコンデンシンの役割2009

    • Author(s)
      李智博
    • Organizer
      第102回日本繁殖生物学会大会
    • Place of Presentation
      奈良市
    • Year and Date
      2009-09-11
    • Related Report
      2009 Annual Research Report
  • [Presentation] マウス卵母細胞におけるコンデンシンIとIIの動態2009

    • Author(s)
      李智博
    • Organizer
      第26回染色体ワークショップ
    • Place of Presentation
      姫路
    • Year and Date
      2009-01-27
    • Related Report
      2010 Final Research Report
  • [Presentation] マウス卵母細胞におけるコンデンシンIとIIの動態2009

    • Author(s)
      李智博
    • Organizer
      第26回染色体ワークショップ
    • Place of Presentation
      ウェルサンピア姫路ゆめさき
    • Year and Date
      2009-01-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] Molecular mechanisms of meiotic chromosome behavior in mouse oocytes2008

    • Author(s)
      Jibak Lee
    • Organizer
      The 3rd Asian Chromosome Colloquium
    • Place of Presentation
      吹田
    • Year and Date
      2008-12-03
    • Related Report
      2010 Final Research Report
  • [Presentation] Molecular mechanisms of meiotic chromosome behavior in mouse oocytes2008

    • Author(s)
      Jibak Lee
    • Organizer
      The 3rd Asian Chromosome Colloquium
    • Place of Presentation
      大阪大学
    • Year and Date
      2008-12-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] マウス卵母細胞における2つのコンデンシン複合体の挙動2008

    • Author(s)
      李智博
    • Organizer
      第101回日本繁殖生物学会大会
    • Place of Presentation
      福岡
    • Year and Date
      2008-09-19
    • Related Report
      2010 Final Research Report
  • [Presentation] マウス卵母細胞における2つのコンデンシン複合体の挙動2008

    • Author(s)
      李智博
    • Organizer
      第101回日本繁殖生物学会大会
    • Place of Presentation
      九州大学
    • Year and Date
      2008-09-19
    • Related Report
      2008 Annual Research Report

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

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