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Microfluidic platform for spatially segregated experimental evolution studies with E. coli.

Seokju Seo1, Ramya Ganiga Prabhakar1, Saoirse Disney-McKeethen1

  • 1Department of BioSciences, Rice University, Houston, TX 77005, USA.

STAR Protocols
|May 2, 2022
PubMed
Summary

This study introduces a microfluidic platform for creating highly homogenous microdroplets, enabling controlled microenvironments for experimental evolution and synthetic ecology research. Protocols are provided for droplet production and microbial population propagation under various selection schemes.

Keywords:
Cell BiologyEvolutionary biologyMicrobiologyMicroscopySequencing

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Area of Science:

  • Microfluidics
  • Synthetic Ecology
  • Experimental Evolution

Background:

  • Microdroplet emulsions offer controllable microenvironments for biological studies.
  • Applications include experimental evolution and synthetic ecology.

Purpose of the Study:

  • To design a microfluidic platform for generating highly homogenous microdroplets.
  • To provide protocols for microdroplet production and microbial population manipulation.

Main Methods:

  • Development of a novel microfluidic device for microdroplet generation.
  • Establishment of protocols for rapid, homogeneous microdroplet production.
  • Description of methods for microbial propagation and serial passage.

Main Results:

  • The platform successfully produces highly homogenous microdroplets.
  • Protocols facilitate controlled experimental evolution and synthetic ecology studies.
  • Methods support diverse selection schemes and spatial structures.

Conclusions:

  • The microfluidic platform and associated protocols are valuable tools for researchers in experimental evolution and synthetic ecology.
  • This work enables precise control over microenvironments for studying microbial populations.