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Related Experiment Video

Updated: Mar 11, 2026

In Vitro Reconstitution of Self-Organizing Protein Patterns on Supported Lipid Bilayers
08:10

In Vitro Reconstitution of Self-Organizing Protein Patterns on Supported Lipid Bilayers

Published on: July 28, 2018

12.9K

Mapping out Min protein patterns in fully confined fluidic chambers.

Yaron Caspi1, Cees Dekker1

  • 1Department of Bionanoscience, Kavli Institute of Nanoscience, Delft University of Technology, Delft, Netherlands.

Elife
|November 26, 2016
PubMed
Summary

The bacterial Min protein system exhibits pole-to-pole oscillations, spiral rotations, and traveling waves in 3D chambers. Spiral rotations surprisingly dominate pattern formation across various geometries.

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Area of Science:

  • Biophysics
  • Cell Biology
  • Systems Biology

Background:

  • The bacterial Min system is a key model for reaction-diffusion processes.
  • Understanding Min protein dynamics is crucial for bacterial cell division.

Purpose of the Study:

  • Investigate the Min system's behavior in confined 3D environments.
  • Determine how geometry influences Min protein pattern formation.

Main Methods:

  • Utilized lithography-defined, lipid-bilayer coated 3D chambers.
  • Isolated chambers using pressure valves for controlled experiments.
  • Analyzed dynamical behaviors under varying geometrical parameters.

Main Results:

  • Identified pole-to-pole oscillations, spiral rotations, and traveling waves.
Keywords:
E. coliMicrofluidicsMin systembiophysicsin vitro reconstitutionpattern formationreaction-diffusionstructural biology

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Last Updated: Mar 11, 2026

In Vitro Reconstitution of Self-Organizing Protein Patterns on Supported Lipid Bilayers
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Published on: July 28, 2018

12.9K
Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
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Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

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  • Established geometrical selection rules for pattern formation.
  • Discovered spiral rotations govern a significant portion of the phase diagram.
  • Observed reduced Min pattern wavelength with confinement and elevated temperature.

    • Conclusions:

    • Confined 3D chambers reveal complex Min system dynamics.
    • Geometrical parameters critically control pattern selection.
    • Spiral rotations are a dominant pattern in confined Min systems.
    • Experimental data provides a foundation for modeling intracellular Min gradients and reaction-diffusion systems.