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Signal transduction mechanism of amino acid response and the modulation of it's responsiveness in newt olfactory receptor neurons.

Research Project

Project/Area Number 23570088
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Animal physiology/Animal behavior
Research InstitutionUniversity of Tsukuba

Principal Investigator

NAKATANI Kei  筑波大学, 生命環境系, 教授 (20125040)

Project Period (FY) 2011-04-28 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords嗅細胞 / イモリ / アミノ酸応答 / シグナル伝達 / パッチクランプ法 / 匂い応答 / Gタンパク質 / パッチクランプ / EOG / 国際研究者交流
Outline of Final Research Achievements

Newt olfactory receptor neurons respond not only to volatile odorants but also amino acids. However, the molecular mechanism of the signal transduction pathway is not known. In this study, we employed electrophysiological techniques including patch clamp recording and immunohistochemical techniques to elucidate the signal transduction mechanism of amino acid response. The ciliary olfactory receptor neurons responded to both volatile odorants and amino acids. We then applied activators of candidate signal transduction machinery. The results suggest that the signal transduction pathway of amino acid response in ciliary ORN includes both cAMP pathway and IP3 pathway.

Report

(6 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (5 results)

All 2016 2015 2014

All Journal Article (2 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (3 results)

  • [Journal Article] Two types of local interneurons are distinguished by morphology, intrinsic membrane properties, and functional connectivity in the moth antennal lobe.2015

    • Author(s)
      Masashi Tabuchi1, Li Dong, Shigeki Inoue, Shigehiro Namiki, Takeshi Sakurai, Kei Nakatani, and Ryohei Kanzaki
    • Journal Title

      Journal of Neurophysiology

      Volume: 114 Issue: 5 Pages: 3002-3013

    • DOI

      10.1152/jn.00050.2015

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Giant vesicles functionally expressing membrane receptors for an insect pheromone.2014

    • Author(s)
      Hamada, S., M. Tabuchi, T. Toyota, T. Sakurai, T. Hosoi, T. Nomoto, K. Nakatani, M. Fujinami and R. Kanzaki
    • Journal Title

      Chemical Communications

      Volume: 50 Issue: 22 Pages: 2958-2961

    • DOI

      10.1039/c3cc48216b

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Expression of Gαolf in the olfactory epithelium of larval and adult newt.2016

    • Author(s)
      阿部希美, 中谷 敬
    • Organizer
      日本生理学会
    • Place of Presentation
      札幌コンベンションセンター (北海道札幌市)
    • Year and Date
      2016-03-22
    • Related Report
      2015 Annual Research Report
  • [Presentation] アカハライモリ幼生・成体におけるGαolfの発現2016

    • Author(s)
      阿部希美, 中谷 敬
    • Organizer
      日本動物学会(関東支部)
    • Place of Presentation
      神奈川大学・横浜キャンパス (神奈川県横浜市)
    • Year and Date
      2016-03-12
    • Related Report
      2015 Annual Research Report
  • [Presentation] 幼生アカハライモリ嗅上皮における嗅覚受容体の発現2014

    • Author(s)
      阿部希美,中谷 敬
    • Organizer
      日本動物学会
    • Place of Presentation
      東北大学(仙台市)
    • Year and Date
      2014-09-11 – 2014-09-13
    • Related Report
      2014 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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