Multiple inward channels provide flexibility in Na+/K+ discrimination at the plasma membrane of barley suspension culture cells.

@article{Amtmann1997MultipleIC,
  title={Multiple inward channels provide flexibility in Na+/K+ discrimination at the plasma membrane of barley suspension culture cells.},
  author={Anna Amtmann and Sophie A. Laurie and R. Leigh and Dale Sanders},
  journal={Journal of experimental botany},
  year={1997},
  volume={48 Spec No},
  pages={481-97}
}
Ion transport across the plasma membrane of suspension-culture cells derived from immature barley embryos has been studied in low (15 mM KCl) and high (additional 150 mM NaCl) salt conditions to understand how plants discriminate between K(+) and Na(+) during ion uptake. In both media about 50% of the cells exhibited resting potentials more negative than any of the passive diffusion potentials. In whole-cell patch clamp experiments membrane hyperpolarization activated large inward currents… CONTINUE READING
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