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2012 Fiscal Year Final Research Report

Mechanism of heterochromat i n formation during early mouse development

Research Project

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Project/Area Number 23770235
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Cell biology
Research InstitutionNational Institute of Genetics

Principal Investigator

HIRATANI Ichiro  国立遺伝学研究所, 構造遺伝学研究センター, 助教 (40583753)

Project Period (FY) 2011 – 2012
Keywords核構造 / クロマチン
Research Abstract

Earlier studies suggested that an extensive heterochromatin formation takes place throughout the genome in post-implantation mouse embryos (heterochromatin: condensed chromosome regions with transcriptionally inactive genes). To explore its significance, we set out to identify genes involved in this heterochromatinization process. A list of candidate genes was generated and we asked whether suppression of any of these candidate genes could disrupt heterochromatin formation. This led to the identification of four novel genes involved in this process.

  • Research Products

    (7 results)

All 2013 2012 2011

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (3 results)

  • [Journal Article] Chromosome engineering allows the efficient isolation of vertebrate neocentromeres2013

    • Author(s)
      Fujiyama A, Kimura H. Earnshaw WC, Fukagawa T
    • Journal Title

      Developmental Cell

      Volume: 24 Pages: 635-648

    • DOI

      DOI:10. 1016/ i. devcel. 2013. 02. 009

    • Peer Reviewed
  • [Journal Article] DNA replication timing is maintained genome-wide in primary human myoblasts independent of D4Z4 contraction in FSH muscular dystrophy2011

    • Author(s)
      Pope BD, Tsumagari K, Battaglia D, Ryba T, Hiratani I, Ehrlich M, Gilbert DM
    • Journal Title

      PLoS One

      Volume: 6 Pages: e27413

    • DOI

      DOI:10. 1371/journal. Pone. 0027413

    • Peer Reviewed
  • [Journal Article] Replication timing: a fingerprint for cell identity and pluripotency2011

    • Author(s)
      Ryba T, Hiratani I, Sasaki T, Battaglia D, Kulik M, Zhang J, Dalton S, Gilbert DM
    • Journal Title

      PLoS Computational Biology

      Volume: 7 Pages: e1002225

    • DOI

      10. 1371/journal. pcbi. 1002225

    • Peer Reviewed
  • [Journal Article] Genome-scale analysis of replication timing: from bench to bioinformatics2011

    • Author(s)
      Ryba T, Battaglia D, Pope BD. Hiratani I, Gilbert DM
    • Journal Title

      Nature Protocols

      Volume: 6 Pages: 870-895

    • DOI

      DOI: 10. 1038/nprot. 2011. 328

    • Peer Reviewed
  • [Presentation] Developmental regulation of nuclear genome organization2013

    • Author(s)
      平谷 伊智朗
    • Organizer
      RSC Publishing-iCeMS Joint International Symposium "Cell-Material Integration and Siomaterials Science"(国際シンポジウム)
    • Place of Presentation
      京都(京都大学医学部芝蘭会館)
    • Year and Date
      20130318-0319
  • [Presentation] Developmental regulation of nuclear genome organization2012

    • Author(s)
      平谷 伊智朗
    • Organizer
      第35回 日本分子生物学会年会
    • Place of Presentation
      福岡(福岡国際会議場・マリンメツセ福岡
    • Year and Date
      20121211-1214
  • [Presentation] Global genome reorganization revealed by genome-wide DNA replication timing analysis: exploring its significance during early stages of mouse development2011

    • Author(s)
      平谷 伊智朗
    • Organizer
      第34回 日本分子生物学会年会
    • Place of Presentation
      横浜(パシフィコ横浜)
    • Year and Date
      20111213-1216

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Published: 2014-09-25   Modified: 2015-11-26  

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