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2008 Fiscal Year Final Research Report

Study on decision of cytokinetic plane during an asymmetrica lcell division

Research Project

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Project/Area Number 19770049
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Morphology/Structure
Research InstitutionHokkaido University

Principal Investigator

NAGASATO Chikako  Hokkaido University, 北方生物圏フィールド科学センター, 准教授 (00374710)

Project Period (FY) 2007 – 2008
Keywords植物形態
Research Abstract

不等分裂を行う褐藻類の受精卵の最初の細胞質分裂がどのように進行していくか,アクチンはどのような働きをもっているのかについて微細構造レベルで明らかにするために,急速凍結置換法という固定法を用いて透過型電子顕微鏡で詳細に観察を行った。その結果,アクチンは細胞質分裂面に供給される平板小嚢と呼ばれる構造の形成に関与していることが明らかになった一方,細胞質分裂面の決定には直接関与していないことが示唆された。

  • Research Products

    (32 results)

All 2009 2008 2007

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (25 results)

  • [Journal Article] Diaphragm development in cytokinetic vegetative cells of brown algae2009

    • Author(s)
      C. Katsaros, T. Motomura, C. Nagasato and B. Galatis
    • Journal Title

      Botanica Marina 52

      Pages: 150-161

    • Peer Reviewed
  • [Journal Article] Functional and non-functional spindle formation affecting mitosis and cytokinesis in Fucus distichus zygotes: the role ofthe centrosome2009

    • Author(s)
      T. Motomura and C. Nagasato
    • Journal Title

      Botanica Marina 52

      Pages: 140-149

    • Peer Reviewed
  • [Journal Article] Ultrastructure of mitosis and cytokinesis during spermatogenesis in Porphyra yezoensis (Bangiales, Rhodophyta)2009

    • Author(s)
      C. Ueki, C. Nagasato, T. Motomura and N. Saga
    • Journal Title

      Botanica Marina 52

      Pages: 129-139

    • Peer Reviewed
  • [Journal Article] Effect of latrunculin B and brefeldin A on cytokinesis in the brown alga Scytosiphon lomentaria (Scytosiphonales, phaeophyceae)2009

    • Author(s)
      C. Nagasato and T. Motomura
    • Journal Title

      Journal of Phycology 45

      Pages: 404-412

    • Peer Reviewed
  • [Journal Article] Reexamination of the pitplugs and the characteristic membranous structures in Porphyra yezoensis (Bangiales, Rhodophyta)2008

    • Author(s)
      C. Ueki, C. Nagasato, T. Motomura andN. Saga
    • Journal Title

      Phycologia 47

      Pages: 5-11

    • Peer Reviewed
  • [Journal Article] A tubular mastigoneme-related protein, OCM1, isolated from the flagellum of a chromophyte alga, Ochromonas danica2007

    • Author(s)
      T. Yamagishi, T. Motomura, C. Nagasato, A. Kato and H. Kawai
    • Journal Title

      Journal of Phycology 43

      Pages: 519-527

    • Peer Reviewed
  • [Journal Article] Re-examination of ultrastructures of the stellate chloroplast organization in brown algae: Structure and development of pyrenoids2007

    • Author(s)
      A, Tanaka, C. Nagasato, S. Uwai, T. Motomura and H. Kawai
    • Journal Title

      Phycological Research 55

      Pages: 203-213.

    • Peer Reviewed
  • [Presentation] 褐藻類の細胞質分裂時における隔膜発達と細胞壁沈着過程2009

    • Author(s)
      長里千香子, 井上晶, 尾島孝男, 奥田一雄, 本村泰三
    • Organizer
      日本藻類学会第33回大会
    • Place of Presentation
      琉球大学,沖縄
    • Year and Date
      2009-03-27
  • [Presentation] 黄金色藻オクロモナスにおける管状マスチゴネマ関連遺伝子Ocm ファミリーについて2009

    • Author(s)
      山岸隆博, 本村泰三, 長里千香子, 川井浩史
    • Organizer
      日本藻類学会第33回大会
    • Place of Presentation
      琉球大学,沖縄
    • Year and Date
      2009-03-27
  • [Presentation] 褐藻ワカメの受精時におけるミトコンドリア,葉緑体の母性遺伝機構の解析2009

    • Author(s)
      木村圭, 上井進也, 長里千香子, 本村泰三
    • Organizer
      日本藻類学会第33回大会
    • Place of Presentation
      琉球大学,沖縄
    • Year and Date
      2009-03-27
  • [Presentation] 黄金色藻オクロモナスにおける遺伝子導入系に向けてのEST 解析と基礎実験2009

    • Author(s)
      寺内真, 加藤敦之, 長里千香子, 本村泰三
    • Organizer
      日本藻類学会第33回大会
    • Place of Presentation
      琉球大学,沖縄
    • Year and Date
      2009-03-27
  • [Presentation] 褐藻類の細胞質分裂に出現するプレート様アクチン構造の挙動2008

    • Author(s)
      長里千香子, 本村泰三
    • Organizer
      日本植物学会第72回大会
    • Place of Presentation
      高知大学,高知市
    • Year and Date
      20080925-27
  • [Presentation] 褐藻類における異なる有性生殖様式間でのミトコンドリア細胞質遺伝機構の比較2008

    • Author(s)
      木村圭, 長里千香子, 本村泰三
    • Organizer
      日本植物学会第72回大会
    • Place of Presentation
      高知大学,高知市
    • Year and Date
      20080925-27
  • [Presentation] クリプト藻Phyrenomonas helgolandiiにおけるヌクレオモルフ分裂及びその分裂周期の解析2008

    • Author(s)
      佐藤友則, 長里千香子, 原慶明, 本村泰三
    • Organizer
      日本植物学会第72回大会
    • Place of Presentation
      高知大学,高知市
    • Year and Date
      20080925-27
  • [Presentation] Two membrane systems involved in cytokinesis ofbrown algae2008

    • Author(s)
      C. Nagasato and T. Motomura
    • Organizer
      Ectocarpus 2008
    • Place of Presentation
      SAMS Dunstaffnage Marine Laboratory, Oban, UK
    • Year and Date
      20080606-08
  • [Presentation] Cytoplasmic inheritance of mitochondria in brown algae2008

    • Author(s)
      K. Kimura, C. Nagasato and T. Motomura
    • Organizer
      Ectocarpus 2008
    • Place of Presentation
      SAMS Dunstaffnage Marine Laboratory, Oban, UK
    • Year and Date
      20080606-08
  • [Presentation] The function of actin on cytokinesis in brown algae, Fucus distichus and Silvetia babingtonii2008

    • Author(s)
      C. Nagasato and T. Motomura
    • Organizer
      The Vth Asian Pacific Phycological Forum
    • Place of Presentation
      Victoria University of Wellington, Wellington, New Zealand
    • Year and Date
      2008-11-14
  • [Presentation] Ultrastructure of nuclear and nucleomorph divisions and analysis on the cell cycle in Pyrenomonas helgolandii (Cryptophyta)2008

    • Author(s)
      T. Sato, C. Nagasato, T. Motomura T and Y. Hara
    • Organizer
      The Vth Asian Pacific Phycological Forum
    • Place of Presentation
      Victoria University of Wellington, Wellington, New Zealand
    • Year and Date
      2008-11-13
  • [Presentation] Phylogenic and evolutionary significance of cell division in the Rhodophyceae2008

    • Author(s)
      A. Kushibiki, A. Yokoyama, C. Nagasato, T. Motomura and Y. Hara
    • Organizer
      The Vth AsianPacific Phycological Forum
    • Place of Presentation
      Victoria University of Wellington, Wellington, New Zealand
    • Year and Date
      2008-11-13
  • [Presentation] Sex-related proteins in a marine brown alga, Scytosiphon lomentaria, using proteomics and differential gene expression2008

    • Author(s)
      T. A. Klochkova, J. B. Shim, J. W. Han, G. H. Kim, C. Nagasato and T. Motomura
    • Organizer
      The Vth Asian Pacific Phycological Forum
    • Place of Presentation
      Victoria University of Wellington, Wellington, New Zealand
    • Year and Date
      2008-11-13
  • [Presentation] 褐藻類の細胞質分裂時に現れる平板小嚢の形成と機能2008

    • Author(s)
      長里千香子, 本村泰三
    • Organizer
      日本藻類学会第32回大会
    • Place of Presentation
      東京海洋大学,東京
    • Year and Date
      2008-03-23
  • [Presentation] クリプト藻 Pyrenomonas helgolandii における核分裂およびヌクレオモルフ分裂の形態学的観察2008

    • Author(s)
      佐藤友則, 長里千香子, 本村泰三, 原慶明
    • Organizer
      日本藻類学会第32回大会
    • Place of Presentation
      東京海洋大学,東京
    • Year and Date
      2008-03-23
  • [Presentation] 褐藻類の受精時における雄性配偶子由来ミトコンドリアDNAの消失時期の比較2008

    • Author(s)
      木村圭, 小亀一弘, 長里千香子, 本村泰三
    • Organizer
      日本藻類学会第32回大会
    • Place of Presentation
      東京海洋大学,東京
    • Year and Date
      2008-03-23
  • [Presentation] クロララクニオン植物 Lotharella amoebiformis の細胞周期を通しての微小管の動態2008

    • Author(s)
      大田修平, 長里千香子, 本村泰三, 石田健一郎
    • Organizer
      日本藻類学会第32回大会
    • Place of Presentation
      東京海洋大学,東京
    • Year and Date
      2008-03-23
  • [Presentation] 褐藻ヒバマタ,エゾイシゲ受精卵の初期発生における小胞体の挙動2008

    • Author(s)
      長里千香子
    • Organizer
      第10回植物オルガネラワークショップ
    • Place of Presentation
      札幌コンベンションセンター,札幌市
    • Year and Date
      2008-03-19
  • [Presentation] Centriole inheritance and behavior during fertilization in brown algae2008

    • Author(s)
      C. Nagasato
    • Organizer
      International workshop on Oocyte Maturation and the Cell Cycle
    • Place of Presentation
      Kyodo Garden Hotel, Kyoto, Japan
    • Year and Date
      2008-03-06
  • [Presentation] ストラメノパイル生物群における青色光受容体の分布2007

    • Author(s)
      石川 美恵・高橋 文雄・野崎久義, 長里千香子, 本村泰三, 片岡博尚
    • Organizer
      日本植物学会第71回大会
    • Place of Presentation
      東京理科大学,野田市
    • Year and Date
      20070907-09
  • [Presentation] Ultrastructure of cell division and spermatogenesis in Porphyra yezoensis (Bangiales, Rhodophyta)2007

    • Author(s)
      C. Ueki, C. Nagasato, T. Motomura, and N. Saga
    • Organizer
      Fourth European Phycological Congress
    • Place of Presentation
      Oviedo, Spain
    • Year and Date
      20070723-27
  • [Presentation] Fertilization and zygote development in brown algae2007

    • Author(s)
      T. Motomura and C. Nagasato
    • Organizer
      Fourth European Phycological Congress,
    • Place of Presentation
      Oviedo, Spain
    • Year and Date
      20070723-27
  • [Presentation] Cytokinesis in brown algae2007

    • Author(s)
      C. Nagasato and T. Motomura
    • Organizer
      Fourth European Phycological Congress
    • Place of Presentation
      Oviedo, Spain
    • Year and Date
      20070723-27
  • [Presentation] Identification of the proteins composing the tripartitte tubular mastigoneme in a chromophyte alga, Ochromonas danica2007

    • Author(s)
      T. Yamagishi, T. Motomura, C, Nagasato and H. Kawai
    • Organizer
      Fourth European Phycological Congress
    • Place of Presentation
      Oviedo, Spain
    • Year and Date
      20070723-27
  • [Presentation] 褐藻植物における生殖細胞の初期発生2007

    • Author(s)
      長里千香子
    • Organizer
      第52回日本植物学会北海道支部大会
    • Place of Presentation
      北海道大学,札幌市
    • Year and Date
      2007-09-21

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Published: 2010-06-10   Modified: 2016-04-21  

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