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Continuum modeling of clustering of myxobacteria.


ABSTRACT: In this paper we develop a continuum theory of clustering in ensembles of self-propelled inelastically colliding rods with applications to collective dynamics of common gliding bacteria Myxococcus Xanthus. A multiphase hydrodynamic model that couples densities of oriented and isotropic phases is described. This model is used for the analysis of an instability that leads to spontaneous formation of directionally moving dense clusters within initially dilute isotropic "gas" of myxobacteria. Numerical simulations of this model confirm the existence of stationary dense moving clusters and also elucidate the properties of their collisions. The results are shown to be in a qualitative agreement with experiments.

SUBMITTER: Harvey CW 

PROVIDER: S-EPMC3663047 | biostudies-literature | 2013 Mar

REPOSITORIES: biostudies-literature

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Continuum modeling of clustering of myxobacteria.

Harvey Cameron W CW   Alber Mark M   Tsimring Lev S LS   Aranson Igor S IS  

New journal of physics 20130301


In this paper we develop a continuum theory of clustering in ensembles of self-propelled inelastically colliding rods with applications to collective dynamics of common gliding bacteria <i>Myxococcus Xanthus</i>. A multiphase hydrodynamic model that couples densities of oriented and isotropic phases is described. This model is used for the analysis of an instability that leads to spontaneous formation of directionally moving dense clusters within initially dilute isotropic "gas" of myxobacteria.  ...[more]

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