UNSPECIFIED (2005) Gravitational symmetry breaking leads to a polar liquid crystal phase of microtubules In vitro. In: 5th International Conference on Biological Physics, Gothenburg, SWEDEN, AUG 23, 2004. Published in: JOURNAL OF BIOLOGICAL PHYSICS, 31 (3-4). pp. 477-486.

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Abstract

Recent space-flight experiments performed by Tabony's team provided further evidence that a microgravity environment strongly affects the spatio-temporal organization of microtubule assemblies. Characteristic time and length scales were found that govern the organization of oriented bundles under Earth's gravitational field (GF). No such organization has been observed in a microgravity environment. This paper discusses physical mechanisms resulting in pattern formation under gravity and its disappearance in microgravity. The subtle interplay between chemical kinetics, diffusion, gravitational drift, thermal fluctuations, electrostatic interactions and liquid crystalline characteristics provides a plausible scenario.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QH Natural history > QH301 Biology
Journal or Publication Title:	JOURNAL OF BIOLOGICAL PHYSICS
Publisher:	SPRINGER
ISSN:	0092-0606
Date:	December 2005
Volume:	31
Number:	3-4
Number of Pages:	10
Page Range:	pp. 477-486
Identification Number:	10.1007/s10867-005-7284-5
Publication Status:	Published
Title of Event:	5th International Conference on Biological Physics
Location of Event:	Gothenburg, SWEDEN
Date(s) of Event:	AUG 23, 2004
URI:	http://wrap.warwick.ac.uk/id/eprint/34240

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