Salicylic Acid Induces a Cytosolic Ca<sup>2+</sup>Elevation in Yeast

  • MORI Izumi C.
    Graduate School of Bioagricultural Sciences, Nagoya University
  • IIDA Hidetoshi
    Department of Biology, Tokyo Gakugei University
  • TSUJI Frederick I.
    Marine Biology Research Division, Scripps Institution of Oceanography, University of California
  • ISOBE Minoru
    Graduate School of Bioagricultural Sciences, Nagoya University
  • UOZUMI Nobuyuki
    Graduate School of Bioagricultural Sciences, Nagoya University Nagoya University Bioscience Center, Nagoya University
  • MUTO Shoshi
    Graduate School of Bioagricultural Sciences, Nagoya University Nagoya University Bioscience Center, Nagoya University

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タイトル別名
  • Salicylic Acid Induces a Cytosolic Ca2+ Elevation in Yeast.
  • Salicylic Acid Induces a Cytosolic Ca2

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  Cytosolic free calcium ion concentration ([Ca2+]cyt) after a salicylic acid (SA)-stimulus was monitored in cells of the yeast Saccharomyces cerevisiae expressing apoaequorin, which constitutes a Ca2+-sensitive luminescent protein, aequorin, when combined with coelenterazine. SA induced a transient [Ca2+]cyt elevation that was dependent on the concentration of SA and pH of the SA solution. The SA-induced [Ca2+]cyt elevation was not reduced in Ca2+-deficient medium, suggesting that Ca2+ was mobilized from an intracellular Ca2+ store(s). Benzoic acid, butyric acid and sorbic acid did not induced a [Ca2+]cyt elevation.<br>

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