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Understanding plant freezing tolerance mechanism through physiological and biochemical analyses at freezing temperatures

Research Project

Project/Area Number 18780242
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Boundary agriculture
Research InstitutionIwate University

Principal Investigator

KAWAMURA Yukio  Iwate University, 農学部, 准教授 (10400186)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,810,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥210,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2006: ¥2,200,000 (Direct Cost: ¥2,200,000)
Keywords植物 / 耐凍性 / 凍結下 / 生理生化学的解析 / 凍結耐性 / シロイヌナズナ / 細胞膜 / 内膜 / 細胞膜修復 / SNARE / シナプトタグミン / プロトプラスト / 組織切片
Research Abstract

凍結下でおきる膜のダイナミクスは、植物が高い耐凍性を得るための必須条件と考えられる。本研究では、凍結過程における細胞膜と内膜の変化を、生理・生化学的手法により解析し、凍結、もしくは凍結融解過程における膜のダイナミクスをとらえることに成功した。また、このダイナミクスの一つである細胞膜修復に、植物シナプトタグミンSYT1 が関与することを示し、さらに、SNARE タンパク質も関与する可能性を示す結果を得た。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (13 results)

All 2009 2008 2007 2006 Other

All Journal Article (7 results) (of which Peer Reviewed: 6 results) Presentation (5 results) Remarks (1 results)

  • [Journal Article] Extracellular freezing-induced mechanical stress and surface area regulation on the plasma membrane in cold-acclimated plant cells2009

    • Author(s)
      Yamazaki, T.、Kawamura, Y.、Uemura, M.
    • Journal Title

      Plant Signaling and Behavior

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Calcium-dependent freezing tolerance in Arabidopsis involves membrane resealing via synaptotagmin SYT12008

    • Author(s)
      Yamazaki, T.、Kawamura, Y.、Minami, A.、Uemura, M.
    • Journal Title

      Plant Cell 20

      Pages: 3389-3404

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Cryobehavior of the plasma membrane in protoplasts isolated from cold-acclimated Arabidopsis leaves is related to surface area regulation2008

    • Author(s)
      Yamazaki, T.、Kawamura, Y.、Uemura, M.
    • Journal Title

      Plant Cell Physiology 49

      Pages: 944-957

    • NAID

      10027331922

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Cryobehavior of the plasma membrane in protoplasts isolated from cold-acclimated Arabidopsis leaves is related to surface area regula tion2008

    • Author(s)
      Yamazaki T, Kawamura Y, Uemura M
    • Journal Title

      Plant and Cell Physiolgy 49

      Pages: 944-957

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Calcium-dependent freezing tolerance in Arabidopsis involves memb rane resealina via svnantotaarnin SYT12008

    • Author(s)
      Yamazaki T, Kawamura Y, Min ami A, Uemura M
    • Journal Title

      Plant Cell 20

      Pages: 3389-3404

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 凍結における機械的ストレスとその耐性機構2006

    • Author(s)
      河村幸男、山崎誠和、上村松生
    • Journal Title

      低温生物工学会誌 52

      Pages: 169-173

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 凍結における機械的ストレスとその耐性機構2006

    • Author(s)
      河村幸男, 山崎誠和, 上村松生
    • Journal Title

      低温生物工学会誌 52

      Pages: 169-173

    • Related Report
      2006 Annual Research Report
  • [Presentation] A plant synaptotagmin is involved in freezing tolerance2008

    • Author(s)
      Yamazaki T. 、Kawamura Y.vMinami A. 、Uemura M.
    • Organizer
      XVI Congress of the Federation of European Societies of Plant Biology (FESPB 2008)
    • Place of Presentation
      Tampere、Finland
    • Related Report
      2008 Final Research Report
  • [Presentation] A plant synaptotagmin is involved in freezing tolerance2008

    • Author(s)
      Yamazaki T, Kawamura Y, Min ami A, Uemura M
    • Organizer
      XVI Congress of the Federation of European Societies of Plant Bioloav
    • Place of Presentation
      Finland (Tampere)
    • Related Report
      2008 Annual Research Report
  • [Presentation] 氷晶成長による機械的ストレスとその耐性機構2007

    • Author(s)
      河村幸男、山崎誠和、上村松生
    • Organizer
      第48回日本植物生理学会年会
    • Place of Presentation
      松山
    • Related Report
      2008 Final Research Report
  • [Presentation] Enhanced freezing tolerance is dependent on the extracellular calcium during freezing2006

    • Author(s)
      Kawamura Y., Yamazaki T., Uemura M.
    • Organizer
      Plant Biology 2006
    • Place of Presentation
      Boston, USA
    • Related Report
      2008 Final Research Report
  • [Presentation] 凍結における機械的ストレスとその耐性機構2006

    • Author(s)
      河村幸男、山崎誠和、上村松生
    • Organizer
      第52回低温生物工学会大会
    • Place of Presentation
      福岡
    • Related Report
      2008 Final Research Report
  • [Remarks] ホームページ等

    • URL

      http://news7a1.atm.iwate-u.ac.jp/~crcdbbt/index.htm

    • Related Report
      2008 Final Research Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

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