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Phys Rev Lett. 2003 Mar 14;90(10):108101. Epub 2003 Mar 13.

Self-similar tip growth in filamentary organisms.

Author information

1
Program in Applied Mathematics, University of Arizona, Tucson, Arizona 85721, USA. goriely@math.arizona.edu

Abstract

The growth of a family of filamentary microorganisms is described in terms of self-similar growth at the tip which is driven by pressure and sustained by a wall-building growth process. The cell wall is modeled biomechanically as a stretchable elastic membrane using large-deformation elasticity theory. Incorporation of geometry dependent elastic moduli and a self-similar ansatz shows how these equations can generate realistic tip shapes corresponding to a self-similar expansion process.

PMID:
12689036
DOI:
10.1103/PhysRevLett.90.108101
[Indexed for MEDLINE]

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