細胞板形成における細胞骨格機能のイメージング解析(<特集>情報処理システムとしての植物細胞壁)

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タイトル別名
  • Imaging analysis of the cytoskeleton function in the cell plate formation(<Feature Articles>The plant cell wall as an information processing system)
  • 細胞板形成における細胞骨格機能のイメージング解析
  • サイボウバン ケイセイ ニ オケル サイボウ コッカク キノウ ノ イメージング カイセキ

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<p>The plant cytoskeleton, which consists of microtubules and actin microfilaments, shows dynamic structural changes during the progression of the cell cycle. The cytoskeleton plays significant roles in cell shape and cell movement, and especially in cell division, including nuclear division and cytokinesis. In animal cells, the actin contractile ring divides cells centripetally. In contrast, flowering plants have a rigid cell wall around their cells, and therefore, the cells must divide in a physically restricted space. To accomplish cell division, components of the cytoskeletal mitotic apparatus appear in the following order : the preprophase band (PPBs) from the late G_2 phase to prophase, the mitotic spindle from prometaphase to anaphase, and the phragmoplast at telophase. The phragmoplast is a structure specific to plant cells that develops centrifugally on an equatorial plane.It forms the "cell plate" by serving as a scaffold for its assembly during successive stages of cytokinesis. The cell plate subsequently develops into a new cell wall that separates the two daughter cells. In this article, we summarize our research on the structure of the plant cytoskeleton and its roles in cell plate formation.</p>

収録刊行物

  • 植物の生長調節

    植物の生長調節 50 (1), 50-56, 2015

    一般社団法人 植物化学調節学会

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