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2012 Fiscal Year Final Research Report

Mechanism of the interaction of nutrient and water uptake in plants

Research Project

  • PDF
Project/Area Number 21780235
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Agricultural environmental engineering
Research InstitutionNational Agriculture and Food Research Organization

Principal Investigator

ISHIKAWA Junko  独立行政法人農業・食品産業技術総合研究機構, 東北農業研究センター生産基盤研究領域, 主任研究員 (40343959)

Research Collaborator MURAI Mari  独立行政法人農業・食品産業技術総合研究機構, 東北農業研究センター生産基盤研究領域, 主任研究員 (00343971)
Project Period (FY) 2009 – 2012
Keywords栄養素吸収 / 水分吸収 / イネ / アクアポリン / 窒素輸送体
Research Abstract

Uptake of nutrients and water affect to each other, however, the mechanism involved is not fully understood. In this work, we clarified that nitrogen availability changed root hydraulic conductivity of rice plants through changes in the gene expression levels of aquaporins which facilitate root water uptake. We also demonstrated that severe water stress caused decrease in the nitrogen uptake, while, mild water stress didn't.

  • Research Products

    (5 results)

All 2013 2012 2011 2010

All Journal Article (2 results) (of which Peer Reviewed: 1 results) Presentation (3 results)

  • [Journal Article] イネが環境に応じて水分量を調節するしくみ2012

    • Author(s)
      石川(櫻井)淳子、村井(羽田野)麻理
    • Journal Title

      化学と生物

      Volume: 50 Pages: 402-403

    • URL

      http://www.jsbba.or.jp/pub/journal_kasei/kasei_contents/vol50_6_2012.html

  • [Journal Article] Transpiration from shoots triggers diurnal changes in root aquaporin expressions2011

    • Author(s)
      Junko Sakurai-Ishikawa, Mari Murai-Hatano, Hidehiro Hayashi, Arifa Ahamed, Keiko Fukushi, Tadashi Matsumoto, Yoshichika Kitagawa
    • Journal Title

      Plant, Cell & Environment

      Volume: 34 Pages: 1150-1163

    • DOI

      DOI:10.1111/j.1365-3040.2011.02313.x

    • Peer Reviewed
  • [Presentation] Adaptation of rice roots to nitrogen: adjustment of morphology and water uptake thorough changes in aquaporin expressions2013

    • Author(s)
      Junko Ishikawa-Sakurai, Hidehiro Hayashi, Mari Murai-Hatano
    • Organizer
      International Workshop on Plant Membrane Biology 2013
    • Place of Presentation
      倉敷市芸文館
    • Year and Date
      20130326-0331
  • [Presentation] 水耕液の窒素濃度がイネの根の水透過性及びアクアポリン遺伝子発現に及ぼす影響2010

    • Author(s)
      櫻井(石川)淳子、林秀洋、アハメードアリファ、村井(羽田野)麻理
    • Organizer
      日本作物学会第229回講演会
    • Place of Presentation
      宇都宮大学
    • Year and Date
      20100330-31
  • [Presentation] イネの根のアクアポリン遺伝子発現量の日周変動は地上部からの蒸散要求により引き起こされる2010

    • Author(s)
      櫻井(石川)淳子、村井(羽田野)麻理、林秀洋、アハメードアリファ、福士敬子、松本直、北川良親
    • Organizer
      第51回日本植物生理学会年会
    • Place of Presentation
      熊本大学
    • Year and Date
      20100318-21

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Published: 2014-08-29  

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