Leaf cuticles behave as asymmetric membranes : evidence from the measurement of diffusion potentials.

@article{Tyree1990LeafCB,
  title={Leaf cuticles behave as asymmetric membranes : evidence from the measurement of diffusion potentials.},
  author={Melvin T Tyree and T D Scherbatskoy and Chris Tabor},
  journal={Plant physiology},
  year={1990},
  volume={92 1},
  pages={103-9}
}
Cuticles were isolated enzymatically from the leaves of two maple species (Acer saccharum Marsh and A. platanoides L.) and from orange (Citrus aurantium L.). The cuticles were placed in a plastic cuvette and different concentrations of KCl were perfused over the physiological inner and outer surfaces while the electrical potential (E(10)) that developed across the cuticles and was caused by ion diffusion was measured. E(10) was always positive, indicating that the permeability of K(+) was… CONTINUE READING

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