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Structural changes of photoreceptive membranes in marine invertebrate photoreceptors.

Research Project

Project/Area Number 61540519
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 動物発生・生理学
Research InstitutionOkayama University

Principal Investigator

YOSHIDA Masao  岡山大学, 理学部, 教授 (50032793)

Co-Investigator(Kenkyū-buntansha) OHTSU Kohzoh  岡山大学, 理学部, 助手 (20033194)
YAMAMOTO Masamichi  岡山大学, 理学部, 助教授 (50011565)
Project Period (FY) 1986 – 1987
Project Status Completed (Fiscal Year 1987)
Budget Amount *help
¥1,600,000 (Direct Cost: ¥1,600,000)
Fiscal Year 1987: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 1986: ¥1,200,000 (Direct Cost: ¥1,200,000)
KeywordsAmphioxus / Hemigrapsus sanguineus / Joseph cell / Lamellated cell / Hesse cell / Rhabdomeric type photoreceptor / 繊毛型視細胞 / 膜のターンオーバー / 絨毛型視細胞
Research Abstract

受容膜のターンオーバーに関しては, 感桿型をもつ甲殻類, 昆虫, 繊毛型をもつ脊椎動物の各視細胞で知られている. 本研究のナメクジウオは同一動物が再種の型の視細胞をもつが, 明暗によりターンオーバーを示すものは感桿型であるジョセフ, ヘッセ細胞のみであった. 繊毛型のラメラ細胞でターンオーバーが見られなかったが, 脊椎動物の円盤膜も, それ自身がターンオーバーするのではなく色素上皮細胞に喰われることによる現象であること, 即ち視細胞自身の活性に基くものでないことに着眼, 進化的2型と対応したターンオーバーの意味を探ることを本年度の目標とし, 繊毛型視細胞(クラゲ, ホタテガイの遠位網膜)の明暗順応過程の調査を行っている. 現在のところ上記の作業仮説に反する結果は得られていないが, 進化的にも, 膜の生理機能の上でも広く且重要な結論となり得るので, 今少し調査の必要がある.

Report

(3 results)
  • 1988 Annual Research Report
  • 1987 Final Research Report Summary
  • 1986 Annual Research Report
  • Research Products

    (13 results)

All Other

All Publications (13 results)

  • [Publications] T.Goto: Experimental biology.

    • Related Report
      1988 Annual Research Report
  • [Publications] M.Yoshida: Nervous systems in invertebrates. 559-572 (1987)

    • Related Report
      1988 Annual Research Report
  • [Publications] T.Watanabe: Experimental Biology. 46. 67-73 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] T.Goto: Experimental Biology.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] M.Yoshida: Nervous systems in invertebrates(ed.M.A.Ali). 559-572 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] T. Watanabe: "Morphological and histochemical studies on Joseph cells of amphioxus, Branchiostoma belcheri Geray." Experimental Biology (Springer-Verlag). 46. 67-73 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] M. Yoshida: "Nervous mechanisms of spawning in regular echinoids." Nervous systems in invertebrates. Edited by M. A, Ali, Plenum Publishing Corporation.559-572 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] T. Watanabe: "Effects of light on oocyte maturation and spawning in amphioxus, Branchiostoma belcheri tsingtauense."

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] M. Takenaka: "The differentiation of the nauplius eye in cypris larvae of a barnacle, Balanus amphitrite hawaiiensis Broch."

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] T. Goto: "A. histochemical study on the eye of the arrowworm, Spadella schizoptera (chaetognatha)." Experimental Biology.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Watanabe,T;M.Yoshida: Experimental Biology. 46. 67-73 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] M.A.Ali,ed.;Yoshida,M.;H.Nogi;Y.Tani: In"Nervous systems in invertebrates"NATO-ASI series.Plenum,New York.

    • Related Report
      1986 Annual Research Report
  • [Publications] Gomi,F.: Zoological Science. 3. 641-645 (1986)

    • Related Report
      1986 Annual Research Report

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Published: 1987-03-31   Modified: 2016-04-21  

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