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Models of self-organizing bacterial communities and comparisons with experimental observations

Abstract : Bacillus subtilis swarms rapidly over the surface of a synthetic medium creating hyperbranched dendritic communities. Models to reproduce such effects have been proposed under the form of parabolic Partial Differential Equations representing the dynamics of the active cells (both motile and multiplying), the passive cells (non-motile and non-growing) and the nutrient concentration. We test the numerical behavior of such models and compare them to relevant experimental data together with a critical analysis of the validity of the model based on recent observations of the swarming bacteria which show that nutrients are not limitating but distinct subpopulations growing at different rates are likely present.
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https://hal.inria.fr/inria-00410258
Contributor : Americo Marrocco <>
Submitted on : Wednesday, August 19, 2009 - 10:07:12 AM
Last modification on : Saturday, July 3, 2021 - 3:39:30 AM
Long-term archiving on: : Tuesday, June 15, 2010 - 10:34:32 PM

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  • HAL Id : inria-00410258, version 1

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Americo Marrocco, H. Henry, I. B. Holland, M. Plapp, S. J. Seror, et al.. Models of self-organizing bacterial communities and comparisons with experimental observations. 2009. ⟨inria-00410258⟩

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