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Models for the Length Distributions of Actin Filaments: I. Simple Polymerization and Fragmentation

✍ Scribed by Leah Edelstein-Keshet; G.Bard Ermentrout

Publisher: Springer
Year: 1998
Tongue: English
Weight: 300 KB
Volume: 60
Category: Article
ISSN: 1522-9602
DOI: 10.1006/bulm.1997.0011

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✦ Synopsis

We studied mathematical models for the length distributions of actin filaments under the effects of polymerization/depolymerization, and fragmentation. In this paper, we emphasize the effects of these two processes acting alone. In this case, simple discrete and continuous models can be derived and solved explicitly (in several special cases), making the problem interesting from a modeling and pedagogical point of view. In a companion paper (Ermentrout and Edelstein-Keshet, 1998, Bull. Math. Biol. 60, 477-503) we investigate what happens when the processes act together, with particular attention to fragmentation by gelsolin, and with a greater level of biological detail.

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