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2008 Fiscal Year Self-evaluation Report

Interactions among intramolecular domains of Photoactivated Adenylyl Cyclase (PAC), the blue-light sensor with intrinsic effector function

Planned Research

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Project AreaMolecular interaction and modal shift of cellular sensors
Project/Area Number 18077003
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionThe Graduate University for Advanced Studies

Principal Investigator

WATANABE Masakatsu  The Graduate University for Advanced Studies, 先導科学研究科, 教授 (40124226)

Project Period (FY) 2006 – 2010
Keywords光センサー / フラビン / 環状AMP / ドメイン相互作用 / 細胞行動
Research Abstract

(1)最近申請者らが単細胞藻ミドリムシの副鞭毛体より同定した、青色光に応答して鞭毛運動を変 化させ細胞の強光からの逃避行動をもたらす、光onのセンサーである一人三役(光センシング・ 信号伝達・セカンドメッセンジャーcAMP合成)のフラビン蛋白質「光活性化アデニル酸シクラーゼ」 (Photoactivated Adenylyl Cyclase; PAC) (Iseki et al. 2002: Nature 415, 1047-1051) について、光 による酵素活性のスイッチング機構を解明する。そのために、発色団-アポ蛋白質相互作用および 光センサー機能モジュールとアデニル酸シクラーゼ機能モジュールの分光学的および構造生物学 的解析を行う。

  • Research Products

    (5 results)

All 2008 2007

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (1 results)

  • [Journal Article] Origins of a cyanobacterial 6-phosphogluconate dehydrogenase in plastid-lacking eukaryotes.2008

    • Author(s)
      Maruyama, S., Misawa, K., Iseki, M., Watanabe, M. and Nozaki, H.
    • Journal Title

      Evol. Biol. 8

      Pages: 151

    • Peer Reviewed
  • [Journal Article] Fast manipulation of cellular cAMP level by light in vivo.2007

    • Author(s)
      Schroder-Lang, S., Schwarzel, M., Seifert, R., Strunker, T., Kateriya, S., Looser, J., Watanabe, M., Kaupp, U. B., Hegemann, P. and Nagel, G.
    • Journal Title

      Nat. Methods. 4

      Pages: 39-42

    • Peer Reviewed
  • [Journal Article] Functional transplant of photoactivated adenylyl cyclase (PAC) into Aplysia sensory neurons.2007

    • Author(s)
      Nagahama, T., Suzuki, T., Yoshikawa, S., Iseki, M.
    • Journal Title

      Neurosci. Res. 59

      Pages: 81-88

    • Peer Reviewed
  • [Journal Article] Phylogeny of primary photosynthetic eukaryotes as deduced from slowly evolving nuclear genes.2007

    • Author(s)
      Nozaki, H., Iseki, M., Hasegawa, M., Misawa, K., Nakada, T., Sasaki, N., Watanabe, M.
    • Journal Title

      Mol Biol Evol. 24

      Pages: 1592-1595

    • Peer Reviewed
  • [Presentation] Functional transplant of photoactivated adenylyl cyclase (PAC) into Aplysia sensory neurons.2008

    • Author(s)
      Nagahama, T., Suzuki, T., Yoshikawa, S. and Iseki, M.
    • Organizer
      The 34th Meeting of the American Society for Photobiology
    • Place of Presentation
      Burlingame, CA
    • Year and Date
      2008-06-25

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Published: 2010-06-11   Modified: 2016-04-21  

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