Role of a positive regulator of root hair development, <i>CAPRICE</i> ,in <i>Arabidopsis</i> root epidermal cell differentiation

DOI PDF PubMed 被引用文献25件 オープンアクセス
  • Takuji Wada
    Plant Science Center, RIKEN, 1-7-22 Suehiro-cho, Tsurumi-Ku, Yokohama,Kanagawa 230-0045, Japan
  • Tetsuya Kurata
    Plant Science Center, RIKEN, 1-7-22 Suehiro-cho, Tsurumi-Ku, Yokohama,Kanagawa 230-0045, Japan
  • Rumi Tominaga
    Plant Science Center, RIKEN, 1-7-22 Suehiro-cho, Tsurumi-Ku, Yokohama,Kanagawa 230-0045, Japan
  • Yoshihiro Koshino-Kimura
    Plant Science Center, RIKEN, 1-7-22 Suehiro-cho, Tsurumi-Ku, Yokohama,Kanagawa 230-0045, Japan
  • Tatsuhiko Tachibana
    Department of Botany, Graduate School of Science, Kyoto University,Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan
  • Koji Goto
    Research Institute for Biological Science, Kayo-cho, Jobo, Okayama 716-1241,Japan
  • M. David Marks
    Department of Genetics and Cell Biology, University of Minnesota, St. Paul, MN 55108-1095, USA
  • Yoshiro Shimura
    Biomolecular Engineering Research Institute, 6-2-3 Furuedai, Suita, Osaka 565-0874, Japan
  • Kiyotaka Okada
    Plant Science Center, RIKEN, 1-7-22 Suehiro-cho, Tsurumi-Ku, Yokohama,Kanagawa 230-0045, Japan

書誌事項

公開日
2002-12-01
DOI
  • 10.1242/dev.00111
公開者
The Company of Biologists

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説明

<jats:p>In Arabidopsis, root hairs are formed only from a set of epidermal cells named trichoblasts or hair-forming cells. Previous studies showedCAPRICE (CPC) promotes differentiation of hair-forming cells by controlling a negative regulator, GLABRA2 (GL2), which is preferentially expressed in hairless cells. Here, we show that CPC is also predominantly expressed in the hairless cells, but not in the neighboring hair-forming cells, and that CPC protein moves to the hair-forming cells and represses the GL2 expression. We also show that the N terminus of bHLH protein interacts with CPC and is responsible for the GL2expression. We propose a model in which CPC plays a key role in the fate-determination of hair-forming cells.</jats:p>

収録刊行物

  • Development

    Development 129 (23), 5409-5419, 2002-12-01

    The Company of Biologists

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