Archives of Microbiology

, Volume 201, Issue 1, pp 87–92 | Cite as

Modeling of concentric pattern of Serratia marcescens colony

  • Jaroslav Čepl
  • Vladimír ScholtzEmail author
  • Jiřina Scholtzová
Original Paper


Serratia marcescens forms different colony patterns under distinct conditions. One of them is the concentric fountain-shaped pattern with pigmented center followed by unpigmented ring and pigmented rim. In this work, we study this pattern formation by construction of the mathematical model able to display this pattern based on putative metabolical traits, supported by series of experiments and by references. A pattern formation of such colony type depends on the disposition of glucose and amino acids, and is accompanied by a pH change in the agar medium. In this paper, we confirm that a metabolic activity of growing colony alters its environment which subsequently changes the colony formation. Presented model corresponds well with the real colony behaviour.


Reaction–diffusion model Glucose Amino-acid pH change 


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Jaroslav Čepl
    • 1
  • Vladimír Scholtz
    • 2
    Email author
  • Jiřina Scholtzová
    • 3
  1. 1.Department of Genetics and the Physiology of Forest Trees, Faculty of Forestry and Wood SciencesCzech University of Live SciencesPragueCzech Republic
  2. 2.Department of Physics and MeasurementsUniversity of Chemistry and TechnologyPragueCzech Republic
  3. 3.Department of Theoretical Computer Science, Faculty of Information TechnologyCzech Technical University in PraguePragueCzech Republic

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