Abstract
HOPE1 has suggested that in the large internodal cells of Chara australis, the depolarization of the plasmalemma during an action potential is caused by a sudden transient increase in the permeability of this membrane to calcium ions, and a consequent inward movement of these ions. This suggestion followed from an investigation of the effects of changes in concentration of various ions on the action potential in single Chara cells.
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References
Hope, A. B. (previous communication).
Findlay, G. P., Austral. J. Biol. Sci., 12, 412 (1959).
Hope, A. B., and Walker, N. A., Austral. J. Biol. Sci., 14 (1) (in the press).
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FINDLAY, G. Voltage-Clamp Experiments with Nitella. Nature 191, 812–814 (1961). https://doi.org/10.1038/191812a0
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DOI: https://doi.org/10.1038/191812a0
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