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Related Experiment Video

Updated: Dec 30, 2025

Imaging and Analysis of Tissue Orientation and Growth Dynamics in the Developing Drosophila Epithelia During Pupal Stages
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Modelling Morphogenesis: From Single Cells to Crawling Slugs.

Nicholas J Savill1, Paulien Hogeweg

  • 1Theoretical Biology and Bioinformatics, University of Utrecht, Padualaan 8, 3584 CH Utrecht, The Netherlands.

Journal of Theoretical Biology
|January 17, 2020
PubMed
Summary
This summary is machine-generated.

This study models cellular slime mold morphogenesis using a hybrid cellular automata/partial differential equation approach. Simple interactions drive self-organization for complex behaviors like stream and mound formation without parameter changes.

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Area of Science:

  • Computational Biology
  • Developmental Biology
  • Biophysics

Background:

  • Morphogenesis is crucial for understanding organism development.
  • Cellular slime molds like Dictyostelium discoideum serve as model systems for studying collective cell behavior and pattern formation.
  • Previous models often require complex parameter tuning or lack multi-dimensional scope.

Purpose of the Study:

  • To develop and apply a novel three-dimensional hybrid cellular automata (CA)/partial differential equation (PDE) model for simulating morphogenesis.
  • To investigate the fundamental processes driving self-organization in Dictyostelium discoideum from single cells to a multicellular slug.
  • To demonstrate the emergence of complex morphogenetic behaviors from simple, local cellular interactions.

Main Methods:

  • A three-dimensional hybrid model integrating cellular automata and partial differential equations was developed.
  • The model incorporates three key cellular processes: cAMP production, cAMP chemotaxis, and cellular adhesion.
  • Simulations were performed to observe Dictyostelium discoideum behavior from unicellular to slug stages.

Main Results:

  • The model successfully reproduced key morphogenetic events including stream and mound formation.
  • Spatially self-organized behavior, cell sorting, and slug migration were observed.
  • Complex behaviors emerged solely from local interactions without any parameter adjustments during the simulation.

Conclusions:

  • A hybrid CA/PDE model can effectively simulate complex morphogenesis in cellular systems.
  • Simple local interactions are sufficient to drive sophisticated self-organization and pattern formation in Dictyostelium discoideum.
  • This modeling approach offers a powerful tool for studying developmental processes in biological systems.