Abstract
A mathematical model of action potential (AP) in vascular plants cells has been worked out. The model takes into account actions of plasmalemma ion transport systems (K+, Cl− and Ca2+ channels; H+- and Ca2+-ATPases; 2H+/Cl− symporter; and H+/K+ antiporter), changes of ion concentrations in the cell and in the extracellular space, cytoplasmic and apoplastic buffer capacities and the temperature dependence of active transport systems. The model of AP simulates a stationary level of the membrane potential and ion concentrations, generation of AP induced by electrical stimulation and gradual cooling and the impact of external Ca2+ for AP development. The model supports a hypothesis about participation of H+-ATPase in AP generation.
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Acknowledgment
This work was supported by the Russian Foundation for Basic Research (grant 09-04-01413-a).
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Sukhov, V., Vodeneev, V. A Mathematical Model of Action Potential in Cells of Vascular Plants. J Membrane Biol 232, 59–67 (2009). https://doi.org/10.1007/s00232-009-9218-9
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DOI: https://doi.org/10.1007/s00232-009-9218-9