Myxococcus xanthus for active matter studies: a tutorial for its growth and potential applications

Area of Science:

• Microbiology
• Biophysics
• Active Matter Physics

Background:

• Myxococcus xanthus is a unicellular organism exhibiting complex collective behaviors.
• Its motility and communication make it a valuable model for active matter research.
• Establishing reproducible culture protocols for M. xanthus can be challenging.

Purpose of the Study:

• To provide a detailed guide for culturing, growing, and preparing experimental samples of Myxococcus xanthus.
• To present exemplary experiments relevant to active matter studies using M. xanthus.
• To facilitate reproducible research in the field of active matter.

Main Methods:

• Detailed protocols for Myxococcus xanthus culture and growth.
• Methods for developmental stages and experimental sample preparation.
• Exemplary experimental setups for motility assays, fruiting body formation, predation, and elasticotaxis.

Main Results:

• A comprehensive protocol for establishing and maintaining Myxococcus xanthus cultures.
• Demonstration of key collective behaviors including motility and fruiting body formation.
• Successful preparation of samples for diverse active matter experiments.

Conclusions:

• This tutorial standardizes Myxococcus xanthus culturing for reliable active matter research.
• It enables exploration of emergent collective phenomena in a model organism.
• Researchers can readily apply these methods to study complex biological systems.