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Effects of external Ca2+ on K+ permeability of the elongating region of mung bean roots under high KCl stress



Effects of external Ca2+ on K+ permeability of the elongating region of mung bean roots under high KCl stress



Plant and Cell Physiology 28(4): 581-586



Simultaneous measurements of the extracellular potential and the K+ (86Rb) efflux, and of the intracellular and extracellular potentials of the cortical cells were used to study the effects of external Ca2+ on the plasma membrane K+ (86Rb) permeability in 2-day-old Vigna mungo Black matpe seedling roots under high KCl stress. The K+ efflux was enhanced by >7.5 mM KCl; addition of 0.5 mM Ca2+ suppressed this efflux.

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Accession: 001580732

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