A chemotactic model for interaction of antagonistic microflora colonies: front asymptotics and numerical simulations
Résumé
This paper studies a two-dimensional chemotactic model for two species in which one of them produces a chemo-repellent for the other. It is shown asymptotically and numerically how the chemical inhibits the invasion of a moving front for the second species and how stable steady states, which depend on the chemical concentration, can be reached. The results qualitatively explain experimental observations by Swain and Ray [Microbiol. Res. 164(2), 2009], where colonies of bacteria produce metabolite agents which prevent the invasion of fungi.
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