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Microscopic studies on the high-order structure of chromosomes in relation to their dynamics during mitosis.

Research Project

Project/Area Number 18390058
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field General anatomy (including Histology/Embryology)
Research InstitutionNiigata University

Principal Investigator

USHIKI Tatsuo  Niigata University, 医歯学系, 教授 (40184999)

Co-Investigator(Kenkyū-buntansha) HOSHI Osamu  新潟大学, 医歯学系, 准教授 (10303124)
KOGA Daisuke  新潟大学, 医歯学系, 助教 (30467071)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥16,780,000 (Direct Cost: ¥14,200,000、Indirect Cost: ¥2,580,000)
Fiscal Year 2008: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2007: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2006: ¥5,600,000 (Direct Cost: ¥5,600,000)
Keywords細胞微細形態学 / 細胞分裂 / 染色体 / 原子間力顕微鏡 / トポイソメラーゼ / Bromodeoxyuridine
Research Abstract

細胞分裂時における染色体の挙動と構造変化は、遺伝情報(DNA)の運搬と分配を考える上できわめて重要である.そこで、本研究では、染色体の形成(凝縮)、分配(染色分体形成)、消失(脱凝縮)のメカニズムを、染色体の構造的側面から解析した.その結果、染色体は分裂後期まで凝縮を続けること、中期染色体には凝縮度の部位差があること、この部位差が、染色体タンパク質の局在と関連していること、また分裂期前のDNA合成のタイミングとも関連していることが明らかになった.

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (43 results)

All 2009 2008 2007 2006

All Journal Article (11 results) (of which Peer Reviewed: 9 results) Presentation (27 results) Book (5 results)

  • [Journal Article] High-speed AFM of human chromosomesin liquid2008

    • Author(s)
      LM Picco, PG Dunton, A Ulcinas, DJ Engledew, O Hoshi, T Ushiki, MJ Mile
    • Journal Title

      Nanotechnology 19, 384018

      Pages: 6-6

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Techniques for imaging human metaphase chromosomes in liquid conditions by atomic force microscopy2008

    • Author(s)
      T Ushiki, M Shigeno, and O Hoshi
    • Journal Title

      Nanotechnology 19, 384022

      Pages: 5-5

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Atomic force microscopy for imaging human metaphase chromosomes2008

    • Author(s)
      T Ushiki and O Hoshi
    • Journal Title

      Chromosome Research 16

      Pages: 383-396

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Atomic force microscopy for imaging human metaphase chromosomes2008

    • Author(s)
      T Ushiki, O Hoshi
    • Journal Title

      Chromosome Research 16

      Pages: 383-396

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Techniques for imaging human metaphase chromosomes in liquid conditions by atomic force microscopy2008

    • Author(s)
      T Ushiki, M Shigeno, O Hoshi
    • Journal Title

      Nanotechnology 19

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] High-speed AFM of human chromosomesin liquid.2008

    • Author(s)
      LM Picco, PG Dunton, A Ulcinas, DJ Engledew, O Hoshi, T Ushi M, MJ Miles
    • Journal Title

      Nanotechnology 19

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Atomic force microscopy for imaging human metaphase chromosomes2008

    • Author(s)
      Tatsuo Ushiki and Osamu Hoshi
    • Journal Title

      Chromosome Research (印刷中)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] バイオ試料観察における液中AFMとQコントロール2007

    • Author(s)
      牛木辰男・星治
    • Journal Title

      表面科学 28

      Pages: 665-667

    • NAID

      10019784485

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] バイオ試料観察における液中AFMとQコントロール2007

    • Author(s)
      牛木辰男・星 治
    • Journal Title

      表面科学 28巻11号

      Pages: 665-667

    • NAID

      10019784485

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 走査型プローブ顕微鏡による生体構造の機能とイメージング2006

    • Author(s)
      牛木辰男
    • Journal Title

      臨床検査 50

      Pages: 1529-1536

    • Related Report
      2008 Final Research Report
  • [Journal Article] 走査型プローブ顕微鏡による生体構造の機能とイメージング2006

    • Author(s)
      牛木辰男
    • Journal Title

      臨床検査 50巻12号

      Pages: 1529-1536

    • Related Report
      2006 Annual Research Report
  • [Presentation] ヒト染色体の高次構造についての原子間力顕微鏡像と光顕像の比較による解析2009

    • Author(s)
      星治、佐野裕太、牛木辰男
    • Organizer
      第114回日本解剖学会学術講演会
    • Place of Presentation
      岡山
    • Related Report
      2008 Final Research Report
  • [Presentation] ヒト染色体の高次構造についての原子間力顕微鏡像と光顕像の比較による解析2009

    • Author(s)
      星 治, 佐野裕太, 牛木辰男
    • Organizer
      第114回日本解剖学会学術講演会
    • Place of Presentation
      岡山、岡山理科大学
    • Related Report
      2008 Annual Research Report
  • [Presentation] 細胞分裂におけるDNA合成のタイムラグが染色体の高次構造に及ぼす影響について2008

    • Author(s)
      星治、牛木辰男
    • Organizer
      第113回日本解剖学会総会・全国学術集会
    • Place of Presentation
      大分
    • Year and Date
      2008-03-29
    • Related Report
      2008 Final Research Report
  • [Presentation] 細胞分裂におけるDNA合成のタイムラグが染色体の高次構造に及ぼす影響について2008

    • Author(s)
      星 治、牛木辰男
    • Organizer
      第113回日本解剖学会総会・全国学術集会
    • Place of Presentation
      大分大学
    • Year and Date
      2008-03-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] Scanning probe microscopy of human chromosomes2008

    • Author(s)
      T Ushiki and O Hoshi
    • Organizer
      3rd Asian Chromosome Colloquium 2008
    • Place of Presentation
      大阪
    • Related Report
      2008 Final Research Report
  • [Presentation] ヒト染色体の高次構造とトポイソメラーゼIIαの局在との関係について2008

    • Author(s)
      星治、牛木辰男
    • Organizer
      日本顕微鏡学会SPM研究部会
    • Place of Presentation
      越後湯沢
    • Related Report
      2008 Final Research Report
  • [Presentation] Atomic force microscopy of human chromosomes2008

    • Author(s)
      T Ushiki and O Hoshi
    • Organizer
      10th International Scanning Probe Microscopy Conference
    • Place of Presentation
      シアトル(USA)
    • Related Report
      2008 Final Research Report
  • [Presentation] 原子間力顕微鏡と光学顕微鏡の併用によるヒト染色体の構造機能解析法2008

    • Author(s)
      星治、牛木辰男
    • Organizer
      日本顕微鏡学会第64回学術講演会
    • Place of Presentation
      京都
    • Related Report
      2008 Final Research Report
  • [Presentation] 原子間力顕微鏡と光学顕微鏡の併用によるヒト染色体の構造機能解析法2008

    • Author(s)
      星 治, 牛木辰男
    • Organizer
      日本顕微鏡学会第64回学術講演会
    • Place of Presentation
      京都、国際会議場
    • Related Report
      2008 Annual Research Report
  • [Presentation] Atomic force microscopy of human chromosomes2008

    • Author(s)
      T Ushiki, O Hoshi
    • Organizer
      10^<th> International Scanning Probe Microscopy Conference
    • Place of Presentation
      シアトル(USA)
    • Related Report
      2008 Annual Research Report
  • [Presentation] ヒト染色体の高次構造とトポイソメラーゼIIαの局在との関係について2008

    • Author(s)
      星 治, 牛木辰男
    • Organizer
      日本顕微鏡学会SPM研究部会
    • Place of Presentation
      越後湯沢、湯沢ニューオータニホテル
    • Related Report
      2008 Annual Research Report
  • [Presentation] Scanning probe microscopy of human chromosomes2008

    • Author(s)
      T Ushiki, O Hoshi
    • Organizer
      3rd Asian Chromosome Colloquium 2008
    • Place of Presentation
      大阪、大阪大学
    • Related Report
      2008 Annual Research Report
  • [Presentation] ヒト染色体の光顕像と液中原子間力顕微鏡の比較-DNA合成期のタイムラグが染色体の高次構造に及ぼす影響について-2007

    • Author(s)
      星治、牛木辰男
    • Organizer
      日本顕微鏡学会SPM研究会
    • Place of Presentation
      越後湯沢
    • Year and Date
      2007-12-09
    • Related Report
      2008 Final Research Report
  • [Presentation] ヒト染色体の光顕像と液中原子間力顕微鏡の比較-DNA合成期のタイムラグが染色体の高次構造に及ぼす影響について-2007

    • Author(s)
      星 治、牛木辰男
    • Organizer
      日本顕微鏡学会SPM研究部会
    • Place of Presentation
      湯沢ニューオータニホテル
    • Year and Date
      2007-12-09
    • Related Report
      2007 Annual Research Report
  • [Presentation] Imaging of biological soft samples by atomic force microscopy2007

    • Author(s)
      T Ushiki
    • Organizer
      6^<th> International Symposium on Atomic Level Characterization for New Materials and Devices '07
    • Place of Presentation
      金沢
    • Year and Date
      2007-10-30
    • Related Report
      2008 Final Research Report
  • [Presentation] Imaging of biological soft samples by atomic force microscopy in liquid2007

    • Author(s)
      Tatsuo Ushiki
    • Organizer
      6th International Symposium on Atomic Level Characterization for New Materials and Devices'07
    • Place of Presentation
      金沢アートホール
    • Year and Date
      2007-10-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] The future of bio-SPM2007

    • Author(s)
      Tatsuo Ushiki
    • Organizer
      2007年度ATI国際フォーラム
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2007-10-22
    • Related Report
      2007 Annual Research Report
  • [Presentation] AFMによる液中バイオ観察の諸問題2007

    • Author(s)
      牛木辰男
    • Organizer
      日本応用物理学会・有機バイオSPM研究会
    • Place of Presentation
      幕張(千葉)
    • Year and Date
      2007-08-29
    • Related Report
      2008 Final Research Report
  • [Presentation] AFMによる液中バイオ観察の諸問題2007

    • Author(s)
      牛木辰男
    • Organizer
      応用物理学会・有機バイオSPM研究会
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2007-08-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] Scanning probe microscopy for imaging human chromosomes2007

    • Author(s)
      T Ushiki
    • Organizer
      XIX International Symposium of Morphological Sciences
    • Place of Presentation
      ブダペスト(ハンガリー)
    • Year and Date
      2007-08-21
    • Related Report
      2008 Final Research Report
  • [Presentation] Scanning probe microscopy for imaging human chromosomes2007

    • Author(s)
      Tatsuo Ushiki
    • Organizer
      XIX International Symposium of Mrphological Sciences
    • Place of Presentation
      ブダペスト(ハンガリー)
    • Year and Date
      2007-08-21
    • Related Report
      2007 Annual Research Report
  • [Presentation] 染色体の凝集機構解明のためのSPM観察2007

    • Author(s)
      川端和重、星治、牛木辰男
    • Organizer
      日本顕微鏡学会第63回学術講演会
    • Place of Presentation
      新潟
    • Year and Date
      2007-05-21
    • Related Report
      2008 Final Research Report
  • [Presentation] 液中強震モードSPM専用プローブの開発2007

    • Author(s)
      繁野雅次、星治、牛木辰男
    • Organizer
      日本顕微鏡学会第63回学術講演会
    • Place of Presentation
      新潟
    • Year and Date
      2007-05-21
    • Related Report
      2008 Final Research Report
  • [Presentation] ヒト染色体の高次構造とDNA合成のタイミングとの関係-AFMと免疫蛍光染色-2007

    • Author(s)
      星治、牛木辰男
    • Organizer
      日本顕微鏡学会第63回学術講演会
    • Place of Presentation
      新潟
    • Year and Date
      2007-05-21
    • Related Report
      2008 Final Research Report
  • [Presentation] ヒト染色体の高次構造とDNA合成のタイミングとの関係-AFMと免疫蛍光染色-2007

    • Author(s)
      星 治、牛木辰男
    • Organizer
      日本顕微鏡学会第63回学術講演会
    • Place of Presentation
      朱鷺メッセ
    • Year and Date
      2007-05-21
    • Related Report
      2007 Annual Research Report
  • [Presentation] 液中共振モードSPM専用プローブの開発2007

    • Author(s)
      繁野雅次、星 治、牛木辰男
    • Organizer
      日本顕微鏡学会第63回学術講演会
    • Place of Presentation
      朱鷺メッセ
    • Year and Date
      2007-05-21
    • Related Report
      2007 Annual Research Report
  • [Presentation] 染色体の凝集機構開発のためのSPM観察2007

    • Author(s)
      川端和重、星 治、牛木辰男
    • Organizer
      日本顕微鏡学会第63回学術講演会
    • Place of Presentation
      朱鷺メッセ
    • Year and Date
      2007-05-21
    • Related Report
      2007 Annual Research Report
  • [Book] (eds, Bhushan et a.), Applied Scanning Probe Methods X(分担)2008

    • Author(s)
      T Ushiki and Kawabata
    • Publisher
      Springer
    • Related Report
      2008 Final Research Report
  • [Book] Applied Scanning Probe Methods X2008

    • Author(s)
      T. Ushiki and K. Kawabata (B. Bhushan, H. Fuchs, M. Tomitori (Eds.))
    • Publisher
      Springer
    • Related Report
      2007 Annual Research Report
  • [Book] Chromosome Nanoscience and Technology2007

    • Author(s)
      K Fukui, T Ushiki
    • Total Pages
      267
    • Publisher
      Taylor & Francis Group
    • Related Report
      2008 Final Research Report
  • [Book] Chromosome Nanoscience and Technology2007

    • Author(s)
      K. Fukui, T. Ushiki (ed)
    • Total Pages
      267
    • Publisher
      Taylor & Francis Group
    • Related Report
      2007 Annual Research Report
  • [Book] Chromosome Nanoscience and Technology2007

    • Author(s)
      K.Fukui, T.Ushiki (ed)
    • Publisher
      Taylor&Francis Group(印刷中)
    • Related Report
      2006 Annual Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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