Abstract

The relationship of PM H +-ATPase activity and its phosphorylation is studied, using sound-treated Chrysanthemum callus as the material. The result shows that, after 1 h sound treatment under the strength of 100 dB and frequency of 1000 Hz, the PM H +-ATPase activity and its phosphorylation was profoundly increased. However, it was found protein kinase inhibitory can effectively inhibit this effect. After dephosphorylation, the PM H +-ATPase activity of the sound-treated group was similar to the control. Thus, it is concluded that the calcium-dependent protein kinase takes part in the effect of sound stimulation on the PM H +-ATPase activity of C. callus.

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