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Updated: Jun 12, 2026

Engineering Adherent Bacteria by Creating a Single Synthetic Curli Operon
15:28

Engineering Adherent Bacteria by Creating a Single Synthetic Curli Operon

Published on: November 16, 2012

Engineering bacteria to recognize and follow small molecules.

Dennis M Mishler1, Shana Topp, Colleen M K Reynoso

  • 1Department of Chemistry and Center for Fundamental and Applied Molecular Evolution, Emory University, 1515 Dickey Drive, Atlanta, GA 30322, USA.

Current Opinion in Biotechnology
|June 26, 2010
PubMed
Summary

Synthetic biologists are reprogramming bacterial movement by engineering new sensory pathways. This allows bacteria to respond to novel signals and work together in groups for complex tasks.

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Area of Science:

  • Microbiology
  • Synthetic Biology
  • Biochemistry

Background:

  • Bacteria utilize chemosensory pathways to detect environmental cues, guiding their movement towards favorable conditions for survival and growth.
  • Cell motility and localization are crucial for bacterial adaptation and colonization.
  • Bacterial quorum sensing coordinates group behaviors based on population density.

Purpose of the Study:

  • To reprogram bacterial motility using synthetic biology approaches.
  • To enable bacteria to respond to novel environmental signals not recognized by natural pathways.
  • To couple bacterial localization with quorum sensing for coordinated multicellular behaviors.

Main Methods:

  • Designing novel protein or RNA parts that interface with natural chemosensory pathways.
  • Engineering synthetic sensory systems to detect specific small molecules.
  • Integrating synthetic sensory modules with existing bacterial motility and quorum sensing circuits.

Main Results:

  • Demonstrated successful reprogramming of bacterial chemotaxis in response to engineered signals.
  • Showcased the ability of synthetic parts to confer new environmental perception to bacteria.
  • Established a link between synthetic signal perception, cell localization, and coordinated group behavior.

Conclusions:

  • Synthetic biology offers powerful tools to engineer bacterial behavior and motility.
  • Reprogramming bacterial responses to novel signals opens avenues for new biotechnological applications.
  • Coupling synthetic sensing with quorum sensing enables the development of sophisticated microbial consortia for complex tasks.