Mechanism of kinetin action on ion transport
1983
Alamgir, A.N.M. | Maximov, G.B. (Leningrad State Univ. (USSR). Dept. of Plant Physiology and Biochemistry)
Kinetin influenced the rate of absorption of k+ and that of K+/H+ antiport of the roots of corn seedlings. The effect of kinetin on ion transport correlated with its effect on K+ATPase acitivity of the roots. Kinetin on enzyme activity seemed to be direct and specific since kinetin (1.25x10-6M) and not its physiological inactive analogue-adenine, stimulated K+ATPase activity (50-60%) in vitro. It is suggested that the effect of kinetin on ion transport is mediated directly by K+ATPase of the root cell membrance.
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