UNSPECIFIED. (2005) Elastic vibrations in seamless microtubules. EUROPEAN BIOPHYSICS JOURNAL WITH BIOPHYSICS LETTERS, 34 (7). pp. 912-920. ISSN 0175-7571

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Abstract

Parameters characterizing elastic properties of microtubules, measured in several recent experiments, reflect an anisotropic character. We describe the microscopic dynamical properties of microtubules using a discrete model based on an appropriate lattice of dimers. Adopting a harmonic approximation for the dimer-dimer interactions and estimating the lattice elastic constants, we make predictions regarding vibration dispersion relations and vibration propagation velocities. Vibration frequencies and velocities are expressed as functions of the elastic constants and of the geometrical characteristics of the microtubules. We show that vibrations which propagate along the protofilament do so significantly faster than those along the helix.

Item Type:	Journal Article
Subjects:	Q Science > QH Natural history > QH301 Biology
Journal or Publication Title:	EUROPEAN BIOPHYSICS JOURNAL WITH BIOPHYSICS LETTERS
Publisher:	SPRINGER
ISSN:	0175-7571
Date:	October 2005
Volume:	34
Number:	7
Number of Pages:	9
Page Range:	pp. 912-920
Identification Number:	10.1007/s00249-005-0461-4
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/34467

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