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Kinetic analysis of photoassimilate flow from sourc to sink using the positron emitting tracer imaging system

Research Project

Project/Area Number 19780052
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Plant nutrition/Soil science
Research InstitutionJapan Atomic Energy Agency

Principal Investigator

SUZUI Nobuo  Japan Atomic Energy Agency, 量子ビーム応用研究部門, 研究職 (20391287)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,490,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥390,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2007: ¥1,800,000 (Direct Cost: ¥1,800,000)
Keywords分子イメージング / 植物栄養学 / 糖輸送 / ソース・シンク
Research Abstract

炭素の動態を非破壊的に撮像できるポジトロンイメージング技術を用いることで、植物のソース器官からシンク器官の間を流れる糖の輸送速度を定量する実験系を確立した。この実験系を用いて、ソース器官およびシンク器官における糖の積み込み機能を阻害した際の糖輸送の応答を解析したところ、ソース器官を阻害した実験区のみにおいて、糖輸送の速度の低下が確認できた。この結果から、ソース・シンク間の糖輸送の速度を律しているのは、ソース器官での糖の積み込みの活性であることが示唆された。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (11 results)

All 2009 2008 2007

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (7 results)

  • [Journal Article] Non-invasive estimation of phloem flow velocity under cadmium stress using the positron emitting tracer imaging system2008

    • Author(s)
      Suzui N., Kawachi N., Ishii S., Nakamura S., Matsuhashi S. and Fujimaki S.
    • Journal Title

      JAEA-Review 2007-060

      Pages: 121-121

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Use of positron-emitting tracer imaging system for measuring the effect of salinity on temporal and spatial distribution of 11C tracer and coupling between source and sink organs2008

    • Author(s)
      Suwa R., Fujimaki S., Suzui N., Kawachi N., Ishii S., Sakamoto K., Nguyen N.T., Saneoka H., Mohapatra P.K., Moghaieb R.E., Matsuhashi S. and Fujita K.
    • Journal Title

      Plant Science 175

      Pages: 210-216

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Real-time Analysis of Photoassimilate Translocation in Intact Eggplant Fruit using 11CO2 and a Positron-emitting Tracer Imaging System2008

    • Author(s)
      Kikuchi K., Ishii S., Fujimaki S., Suzui N., Matsuhashi S., Honda I., Shishido Y. and Kawachi N.
    • Journal Title

      J. Jpn. Soc. Hortic. Sci. 77

      Pages: 199-205

    • NAID

      130004510640

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Molecular imaging by using positron emitting tracer imaging system (PETIS) to study plant physiology ; Parametric imaging of photosynthesis2008

    • Author(s)
      Kawachi N., Fujimaki S., Ishii S., Suzui N., Ishioka N. and Matsuhashi S.
    • Journal Title

      JAEA-Review 2007-060

      Pages: 120-120

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] 11Cを用いた光合成産物のイメージング : ソース・シンクバランスと転流速度の解析2009

    • Author(s)
      鈴井伸郎
    • Organizer
      第9回日本光合成研究会公開シンポジウム
    • Place of Presentation
      東京
    • Related Report
      2008 Final Research Report
  • [Presentation] シンク・ソース機能阻害時の糖転流速度の解析2008

    • Author(s)
      鈴井伸郎
    • Organizer
      日本土壌肥料学会2008年大会
    • Place of Presentation
      愛知
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Non-invasive, quantitative and repetitive imaging of photoassimilate flow after source and sink manipulations2008

    • Author(s)
      鈴井伸郎
    • Organizer
      XVI Congress of the Federation of European Societies of Plant Biology
    • Place of Presentation
      フィンランド
    • Related Report
      2008 Final Research Report
  • [Presentation] Non-invasive, quantitative and repetitive imaging of photoassimilate flow after source and sink manipulations2008

    • Author(s)
      Nobuo Suzui, Naoki Kawachi, Satomi Ishii, Shin-ichi Nakamura, Noriko S. Ishioka, Shu Fujimaki
    • Organizer
      XVI Congress of the Federation of European Societies of Plant Biology
    • Place of Presentation
      フィンランド タンペレ
    • Related Report
      2008 Annual Research Report
  • [Presentation] Non-invasive Estimation of Phloem Flow Velocity under Cadmium Stress using the Positron Emitting Tracer Imaging System2007

    • Author(s)
      鈴井伸郎
    • Organizer
      International Conference on Plant Vascular Biology 2007
    • Place of Presentation
      台湾
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] ポジトロンイメージング技術を用いた植物の転流速度の解析2007

    • Author(s)
      鈴井伸郎、藤巻秀、河地有木、石井里美、松橋信平、中村進一
    • Organizer
      第2回高崎量子応用研究シンポジウム
    • Place of Presentation
      群馬
    • Related Report
      2007 Annual Research Report
  • [Presentation] ポジトロンイメージング技術を用いた植物の糖輸送速度の解析2007

    • Author(s)
      鈴井伸郎、藤巻秀、河地有木、石井里美、松橋信平
    • Organizer
      第12回放射線プロセスシンポジウム
    • Place of Presentation
      東京
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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