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New Trends in the Physics and Mechanics of Biological SystemsLecture Notes of the Les Houches Summer School: Volume 92, July 2009$
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Martine Ben Amar, Alain Goriely, Martin Michael Müller, and Leticia Cugliandolo

Print publication date: 2011

Print ISBN-13: 9780199605835

Published to Oxford Scholarship Online: September 2011

DOI: 10.1093/acprof:oso/9780199605835.001.0001

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Microbial mechanics: The growth and form of filamentary microorganisms

Microbial mechanics: The growth and form of filamentary microorganisms

Chapter:
(p.229) 8 Microbial mechanics: The growth and form of filamentary microorganisms
Source:
New Trends in the Physics and Mechanics of Biological Systems
Author(s):

Michael Tabor

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199605835.003.0008

This chapter reviews the basic principles of hyphal growth in filamentary bacteria and fungi. While geometric models can provide a simple route to finding idealized hyphal tip shapes, biomechanical models provide a realistic continuum description that can include information about the cell wall structure and the growth process itself. The use of the nonlinear elastic theory of shells combined with biomechanical growth mechanisms produce realistic hyphal shapes and reveal a self-similar pattern of tip propagation as well as a possible explanation of the so called normal growth hypothesis.

Keywords:   hyphal growth, geometric models, biomechanics, nonlinear elasticity, tip growth

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