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https://open.uns.ac.rs/handle/123456789/15642
Title: | A nonlinear model of ionic wave propagation along microtubules | Authors: | Satarić M. Ilić D. Ralević, Nebojša Tuszynski J. |
Issue Date: | 1-Jun-2009 | Journal: | European Biophysics Journal | Abstract: | Microtubules (MTs) are important cytoskeletal polymers engaged in a number of specific cellular activities including the traffic of organelles using motor proteins, cellular architecture and motility, cell division and a possible participation in information processing within neuronal functioning. How MTs operate and process electrical information is still largely unknown. In this paper we investigate the conditions enabling MTs to act as electrical transmission lines for ion flows along their lengths. We introduce a model in which each tubulin dimer is viewed as an electric element with a capacitive, inductive and resistive characteristics arising due to polyelectrolyte nature of MTs. Based on Kirchhoff's laws taken in the continuum limit, a nonlinear partial differential equation is derived and analyzed. We demonstrate that it can be used to describe the electrostatic potential coupled to the propagating localized ionic waves. © 2009 European Biophysical Societies' Association. | URI: | https://open.uns.ac.rs/handle/123456789/15642 | ISSN: | 1757571 | DOI: | 10.1007/s00249-009-0421-5 |
Appears in Collections: | FTN Publikacije/Publications |
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