Abstract
Influence of sound stimulation on H +-ATPase activity is studied in this paper. The experimental results show that PM H +-ATPase activity of Chrysanthemum callus is increased apparently by sound stimulation. The effects of sound stimulation on Ca 2+ in cell wall are partially diminished of by chelating them, which demonstrates that the increase of PM H +-ATPase activity depends on Ca 2+ under sound stimulation. The PM H +-ATPase activity of C. callus that were stimulated by sound wave comes back its initial level after dephosphorylation. These results indicate that probably Ca 2+-dependent phosphorylation raises PM H +-ATPase activity under sound stimulation.
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