Rippling patterns in aggregates of myxobacteria arise from cell-cell collisions

Details Rippling patterns in aggregates of myxobacteria arise from cell-cell collisions Rippling patterns in aggregates of myxobacteria arise from cell-cell collisions

2001-07-17

arxiv.org/abs/physics/0107039v1

Physics

Biological Physics

4 pages 4 figures

Scientific paper

10.1103/PhysRevLett.89.078101

Experiments with myxobacterial aggregates reveal standing waves called rippling patterns. Here, these structures are modelled with a simple discrete model based on the interplay between migration and collisions of cells. Head-to-head collisions of cells result in cell reversals. To correctly reproduce the rippling patterns, a refractory phase after each cell reversal has to be assumed, during which further reversal is prohibited. The duration of this phase determines the wavelength and period of the ripple patterns as well as the reversal frequency of single cells.

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