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Phys Rev Lett. 2001 Apr 2;86(14):3192-5.

Dynamic concentration of motors in microtubule arrays.

Author information

1
EMBL, Cell Biology, Heidelberg, Germany.

Abstract

We present experimental and theoretical studies of the dynamics of molecular motors in microtubule arrays and asters. By solving a convection-diffusion equation we find that the density profile of motors in a two-dimensional aster is characterized by continuously varying exponents. Simulations are used to verify the assumptions of the continuum model. We observe the concentration profiles of kinesin moving in quasi-two-dimensional artificial asters by fluorescent microscopy and compare with our theoretical results.

PMID:
11290140
DOI:
10.1103/PhysRevLett.86.3192
[Indexed for MEDLINE]

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