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2012 Fiscal Year Final Research Report

Ultrastructural investigation of mechanisms of the symbiosis and bleaching of the coral-zooxanthellae symbiotic system

Research Project

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Project/Area Number 23770064
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Morphology/Structure
Research InstitutionKochi University

Principal Investigator

SEKIDA Satoko  高知大学, 教育研究部総合科学系, 准教授 (70314979)

Project Period (FY) 2011 – 2012
Keywords微細構造 / サンゴ / 褐虫藻 / 共生 / 白化
Research Abstract

In the present study, the fine structure of the coral-zooxanthellae symbiotic system in the scleractinian Pocillopora damicornis were clarified by freeze-substitution and freeze-fracture electron microscopies. Ultrastructure of healthy corals and corals exposed to higher temperatures were compared. In addition, a cytokinesis process of the symbiotic zooxanthellae was clarified in detail.

  • Research Products

    (20 results)

All 2012 2011 Other

All Journal Article (10 results) (of which Peer Reviewed: 9 results) Presentation (9 results) Remarks (1 results)

  • [Journal Article] サンゴに共生する褐虫藻の微細構造と生理学的挙動2012

    • Author(s)
      関田諭子・奥田一雄
    • Journal Title

      海洋と生物

      Volume: 34 (4) Pages: 338-342

  • [Journal Article] Molecular anatomy of tunicate senescence: Reversible function of mitochondrial and nuclear genes associated with budding cycles2012

    • Author(s)
      Kawamura K., Kitamura S., Sekida S., Tsuda M., and Sunanaga T
    • Journal Title

      Development

      Volume: 139 Pages: 4083-4093

    • DOI

      doi:10.1242/dev.083170

    • Peer Reviewed
  • [Journal Article] Rhizoid formation in Valonia (Siphonocladales, Chlorophyceae)2012

    • Author(s)
      Elvira P. R., Sekida S. and Okuda K.
    • Journal Title

      Phycologia

      Volume: 51(4) Pages: 391-402

    • Peer Reviewed
  • [Journal Article] Inducible growth mode switches influence Valonia rhizoid differentiation2012

    • Author(s)
      Elvira P. R., Sekida S. and Okuda K.
    • Journal Title

      Protoplasma

      Volume: 250 (1) Pages: 407-414

    • DOI

      DOI:10.1007/s00709-012-0381-y

    • Peer Reviewed
  • [Journal Article] Effects of high pressure in the armored dinoflagellate Scrippsiella hexapraecingula (Peridiniales, Dinophyceae): Changes in thecal plate pattern and microtubule assembly.2012

    • Author(s)
      Sekida S., Takahira M., Horiguchi T. and Okuda K.
    • Journal Title

      J. Phycol.

      Volume: 48 Pages: 163-173

    • Peer Reviewed
  • [Journal Article] Distribution of eelgrass, Zostera japonica Aschers. & Graebn., in a tidal river with reference to some environmental characteristics2011

    • Author(s)
      Himeno S., Yasuoka S., Sekida S., Mine I., Matsui T., Okuda K. and Takahashi M. M.
    • Journal Title

      Hikobia

      Volume: 16 Pages: 85-94

    • Peer Reviewed
  • [Journal Article] Band growth and localozation of vesicle exocytosis in the red alga Antithamnion nipponicum (Ceramiales)2011

    • Author(s)
      Mine I, Yuasa K, Uesugi M, Sekida S, Okuda K
    • Journal Title

      Eur. J. Phycol.

      Volume: 46 (3) Pages: 263-270

    • Peer Reviewed
  • [Journal Article] Outflow movement during gamete discharge in Bryopsis plumosa (Caulerpales, Chlorophyta)2011

    • Author(s)
      Mine I, Yoshimatsu K, Kobanba A, Sekida S, Okuda K
    • Journal Title

      Phycologia

      Volume: 50 (4) Pages: 363-369

    • Peer Reviewed
  • [Journal Article] Microtubule Arrangement during the Formation of a New Growing Tip in the Coenocytic Green Alga Bryopsis plumosa (Caulerpales, Chlorophyta)2011

    • Author(s)
      Mine I, Sekida S and Okuda K
    • Journal Title

      Cytologia

      Volume: 76(2) Pages: 129-135

    • Peer Reviewed
  • [Journal Article] Induction of gamete discharge by hypertonic treatment in the green alga Bryopsis plumose (Caulerpales, Chlorophyta)2011

    • Author(s)
      Mine I, Ozaki C, Sekida S, Okuda K
    • Journal Title

      Phycological Research

      Volume: 59 (1) Pages: 70-73

    • Peer Reviewed
  • [Presentation] ホヤの生殖と加齢 ミトコンドリア遺伝子と核遺伝子の機能相関-2012

    • Author(s)
      川村 和夫,関田諭子,砂長毅
    • Organizer
      土佐生物学会
    • Place of Presentation
      高知大学(高知県高知市)
    • Year and Date
      2012-12-09
  • [Presentation] ミドリゲ目緑藻キッコウグサの分割細胞分裂の光阻害とアクチンフィラメントの動態2012

    • Author(s)
      佐藤 友則,湯浅 健, 関田 諭子,奥田 一雄
    • Organizer
      日本植物学会第76回大会
    • Place of Presentation
      兵庫県立大学(兵庫県姫路市)
    • Year and Date
      2012-09-17
  • [Presentation] 渦鞭毛藻 Spiniferodinium galeiforme の細胞外被構造2012

    • Author(s)
      関田諭子,堀口健雄,奥田一雄
    • Organizer
      日本藻類学会第36回大会
    • Place of Presentation
      北海道大学(北海道札幌市)
    • Year and Date
      2012-07-15
  • [Presentation] ミドリゲ目海産多核緑藻タンポヤリの分割細胞分裂の過程と特徴2012

    • Author(s)
      長谷部有美,関田諭子,奥田一雄
    • Organizer
      生物系三学会大会中国四国支部・島根大会
    • Place of Presentation
      島根大学(島根県島根市)
    • Year and Date
      2012-05-13
  • [Presentation] The development and its regulation of cell coverings in armored dinoflagellates2011

    • Author(s)
      Satoko Sekida
    • Organizer
      The 6th Asian Pacific Phycological Forum
    • Place of Presentation
      韓国美麗市
    • Year and Date
      20111109-14
  • [Presentation] Dictating cell fate by light: Serial growth mode switches in a Valonia rhizoid2011

    • Author(s)
      Paul Rommel Elvira, 関田諭子, 奥田一雄
    • Organizer
      日本植物学会第75回大会
    • Place of Presentation
      東京大学(東京都)
    • Year and Date
      2011-09-17
  • [Presentation] 黄金色藻 Epipyxis pulchra におけるロリカの微細構造と形成過程2011

    • Author(s)
      関田諭子, 島田真知, 奥田一雄
    • Organizer
      日本植物学会第75回大会
    • Place of Presentation
      東京大学(東京都)
    • Year and Date
      2011-09-17
  • [Presentation] 多核緑藻キッコウグサの細胞同士を連結させる接着細胞の誘導要因2011

    • Author(s)
      的野はる菜,関田諭子,奥田一雄
    • Organizer
      生物系三学会大会中国四国支部・香川大会
    • Place of Presentation
      香川大学(香川県高松市)
    • Year and Date
      2011-05-15
  • [Presentation] サンゴに共生する渦鞭毛藻の微細構造2011

    • Author(s)
      関田諭子,奥田一雄
    • Organizer
      日本藻類学会第35回大会
    • Place of Presentation
      富山大学(富山県富山市)
    • Year and Date
      2011-03-28
  • [Remarks] 国立大学法人高知大学 2013南国土佐のうみへんか

    • URL

      http://kuroshio.cc.kochi-u.ac.jp/umihenka/index.html

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Published: 2014-09-25  

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