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2008 Fiscal Year Final Research Report

Analysis of the movements of single axonemal dyneins on microtubules visualized using quantum dots

Research Project

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Project/Area Number 19570150
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Biophysics
Research InstitutionKyoto University

Principal Investigator

YAGI Toshiki  Kyoto University, 大学院・理学研究科, 准教授 (40292833)

Project Period (FY) 2007 – 2008
Keywordsダイニン / 微小管 / 鞭毛 / 繊毛
Research Abstract

本研究では、鞭毛運動におけるモーター蛋白質ダイニンの機能を理解するために、新に開発した鞭毛蛋白質の特異的標識法を利用して、ダイニン1分子の運動の様子と力発生過程を調べた。その結果、鞭毛ダイニンの効率的な力発生と運動には多分子が必要であることが示唆された。また、精製した鞭毛ダイニンのモーター活性を生体内に近い条件で調べる方法も新たに開発した。その方法により、3種類のモーター蛋白質が分子内に共存するタイプの鞭毛ダイニンでは、それぞれが互いに制御しあい協調して機能していることを見出した。

  • Research Products

    (12 results)

All 2009 2008 2007 Other

All Journal Article (7 results) Presentation (5 results)

  • [Journal Article] The dynein stalk contains an antiparallel coiled coil with region-specific stability2009

    • Author(s)
      Hook P, Yagi T, Ghosh-Roy A, Williams J, Vallee RB
    • Journal Title

      Biochemistry

  • [Journal Article] Systematic comparison of in vitro motile properties between chlamydomonas wild-type and mutant outer arm dyneins each lacking one of the three heavy chains2009

    • Author(s)
      Furuta A, Yagi T, Yanagisawa HA, Higuchi H, Kamiya R
    • Journal Title

      J Biol Chem 284(9)

      Pages: 5927-35

  • [Journal Article] A Novel Ankyrin-Repeat Protein Interacts with the Regulatory Proteins of Inner Arm Dynein f(I1)of Chlamydomonas reinhardtii2008

    • Author(s)
      Ikeda K., Yamamoto R., Wirschell M., Yagi T., Bower R., M. E. Porter, W. S. Sale and R. Kamiya
    • Journal Title

      Cell Motil. Cytoskeleton

  • [Journal Article] Ktu/PF13 is required for cytoplasmic pre-assembly of axonemal dyneins2008

    • Author(s)
      Omran H, Kobayashi D, Olbrich H, (他著者23人中、14番目)
    • Journal Title

      Nature 456(7222)

      Pages: 611-6

  • [Journal Article] Partially functional outer arm dynein in a novel Chlamydomonas mutant expressing a truncated γ heavy chain2008

    • Author(s)
      Liu Z., Takazaki H., Nakazawa Y., Sakato M., Yagi T., Yasunaga T., King S. M., and Kamiya R
    • Journal Title

      Eukaryotic Cell 7(7)

      Pages: 1136-1145

  • [Journal Article] Novel 44-kilodalton subunit of axonemal Dynein conserved from chlamydomonas to mammals2008

    • Author(s)
      Yamamoto R, Yanagisawa HA, Yagi T, Kamiya R
    • Journal Title

      Eukaryot Cell 7(1)

      Pages: 154-61

  • [Journal Article] Identification of novel dyneins that localize exclusively to the proximal portion of Chlamydomonas flagella

    • Author(s)
      Yagi T, Uematsu K., Liu Z., and Kamiya R
    • Journal Title

      J. Cell Sci 122

      Pages: 1306-1314

  • [Presentation] クラミドモナス鞭毛の根元に局在する新規内腕ダイニンの同定2008

    • Author(s)
      八木俊樹、植松圭吾、劉中美、神谷律
    • Organizer
      日本生物物理学会第46回年会
    • Year and Date
      20081203-1205
  • [Presentation] Identificaiton of three novel dyneins localized exclusively to the proximal region of Chlamydomonas flagella2008

    • Author(s)
      Yagi T, Uematsu K., Liu Z., and Kamiya R
    • Organizer
      2nd International Symposium on Bio-nanosystems
    • Year and Date
      20081031-1102
  • [Presentation] Identificaiton of three minor inner-arm dynein heavy chains in Chlamydomonas flagella2008

    • Author(s)
      Yagi T, and Kamiya R
    • Organizer
      EMBO Workshop on the Cell and Molecular Biology of Chlamydomonas
    • Year and Date
      20080527-0601
  • [Presentation] クラミドモナス鞭毛における3種のマイナーダイニン重鎖の同定2007

    • Author(s)
      八木俊樹、神谷律
    • Organizer
      日本生物物理学会、第45回年会
    • Year and Date
      20071221-23
  • [Presentation] Identificaiton of three minor inner-arm dynein heavy chains in Chlamydomonas flagella2007

    • Author(s)
      Yagi T, and Kamiya R
    • Organizer
      FASEB Summer Research Conferences, Biology of Cilia and Falgella
    • Year and Date
      20070804-09

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

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