Self-organized periodicity of protein clusters in growing bacteria

Details Self-organized periodicity of protein clusters in growing bacteria Self-organized periodicity of protein clusters in growing bacteria

2008-08-06

arxiv.org/abs/0808.0888v1

Phys. Rev. Lett. 101, 218101 (2008)

Physics

Condensed Matter

Statistical Mechanics

5 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.101.218101

Chemotaxis receptors in E. coli form clusters at the cell poles and also laterally along the cell body, and this clustering plays an important role in signal transduction. Recently, experiments using flourrescence imaging have shown that, during cell growth, lateral clusters form at positions approximately periodically spaced along the cell body. In this paper, we demonstrate within a lattice model that such spatial organization could arise spontaneously from a stochastic nucleation mechanism. The same mechanism may explain the recent observation of periodic aggregates of misfolded proteins in E. coli.

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