Stripe formation in bacterial systems with density-suppressed motility.

Engineered bacteria in which motility is reduced by local cell density generate periodic stripes of high and low density when spotted on agar plates. We study theoretically the origin and mechanism of this process in a kinetic model that includes growth and density-suppressed motility of the cells. The spreading of a region of immotile cells into an initially cell-free region is analyzed. From the calculated front profile we provide an analytic ansatz to determine the phase boundary between the stripe and the no-stripe phases. The influence of various parameters on the phase boundary is discussed.

• Publication year

  2012

• Venue

  Physical Review Letters

• Publication date

  2012-04-03

• Fields of study

  Biology, Materials Science, Medicine, Physics

• Identifiers
  DOI 10.1103/PhysRevLett.108.198102arXiv 1204.0615PMID 23003092
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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