Functional difference between polar and lateral flagella of marine Vibrio and their roles in cell differentiation.

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  • KAWAGISHI Ikuro
    Department of Molecular Biology, Faculty of Science, Nagoya University
  • IMAE Yasuo
    Department of Molecular Biology, Faculty of Science, Nagoya University

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Other Title
  • 海洋性ビブリオ菌のもつ２種類の鞭毛モーターと細胞分化
  • カイヨウセイ ビブリオキン ノ モツ 2シュルイ ノ ベンモウ ノ モーター

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Description

Marine Vibrio swims in sea water by rotating a single, sheathed polar flagellum and swarms over viscous surfaces by numerous unsheathed lateral flagella, which are produced when cells are in viscous environment. Surprisingly, the motors of these flagella use different coupling ions for energy transduction: the energy source for the polar flagellar motor is the sodium-motive force, whereas the lateral flagellar motors are driven by the proton-motive force. Furthermore, the polar flagellum idiosyncratically functions as a tactile sensor controlling transcription of the genes for lateral flagella production by sensing viscous drag that restrict its movement.

Journal

  • Seibutsu Butsuri

    Seibutsu Butsuri 32 (6), 306-311, 1992

    The Biophysical Society of Japan General Incorporated Association

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