| 19145980 |
Ladyzhenskaia EP, Korableva NP: [Effect of jasmonic acid on Ca+2 transport through the plasmalemma of potato tuber cells]. Prikl Biokhim Mikrobiol. 2008 Nov-Dec;44(6):709-13.
The rate of Ca2+ accumulation in plasmalemma vesicles isolated from quiescent and sprouting potato (Solanum tuberosum L.) tubers and the effect of 10 (-5) - 10 (-10) M jasmonic acid on the accumulation of Ca+2 in plasmalemma vesicles and its efflux were studied. It was found that potato tuber plasmalemma contains a Ca+2, Mg+2-ATPase whose activity decreases upon the transition from forced quiescence to growth. The direction of the effect ofjasmonic acid on Ca+2, Mg+2-ATPase (stimulation or suppression) depends on the physiological state of tubers and the phytohormone concentration. |
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