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2008 Fiscal Year Final Research Report

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

Research Project

  • PDF
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
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。

  • Research Products

    (8 results)

All 2009 2008 2007

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

    • 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

    • 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

    • 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

    • 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
    • Year and Date
      20090529-30
  • [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
    • Year and Date
      20080909-11
  • [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
    • Year and Date
      20080817-22
  • [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
    • Year and Date
      20070507-11

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

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