Chemical Biology of Glycoside-Type Bioactive Substances Controlling Nyctinastic Movement in Leguminous Plants

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  • Manabe Yoshiyuki
    Department of Chemistry, Graduate School of Science,Tohoku University
  • Inomata Sho
    Department of Chemistry, Graduate School of Science,Tohoku University
  • Ueda Minoru
    Department of Chemistry, Graduate School of Science,Tohoku University

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Other Title
  • マメ科植物の就眠運動を制御する配糖体型生理活性物質のケミカルバイオロジー
  • マメ科植物の就眠運動を制御する配糖体型生理活性物質のケミカルバイオロジー[含 英語文]
  • マメカ ショクブツ ノ シュウミン ウンドウ オ セイギョ スル ハイトウ タイガタ セイリ カッセイ ブッシツ ノ ケミカルバイオロジー ガン エイゴブン

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Leguminous plants open their leaves during the day and close them at night as if sleeping, a type of movement that follows circadian rhythms and is known as nyctinastic movement. This phenomenon is controlled by two endogenous bioactive substances that exhibit opposing activities: Leaf-Opening Factor (LOF), which opens the leaves, and Leaf-Closing Factor (LCF), which closes them. The authors have carried out chemical biological research using these bioactive substances in order to clarify the mechanisms of nyctinastic movement. Here, we report on the detection and identification of the target proteins of these compounds using original methodology.

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