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Surface Sensing and Adaptation in Bacteria.

Benoît-Joseph Laventie1, Urs Jenal1

  • 1Biozentrum, University of Basel, CH-4056 Basel, Switzerland; email: benoit-joseph.laventie@unibas.ch, urs.jenal@unibas.ch.

Annual Review of Microbiology
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Summary
This summary is machine-generated.

Bacteria sense surfaces using mechanical and chemical cues to adapt their behavior. This review details sensing mechanisms and the role of second messengers like cyclic di-GMP (c-di-GMP) and cyclic AMP (cAMP) in surface colonization.

Keywords:
c-di-GMPcAMPflagellummechanosensationmechanotransductionpili

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Area of Science:

  • Microbiology
  • Cell Biology
  • Biochemistry

Background:

  • Bacteria inhabit diverse environments, with higher concentrations on surfaces facilitating complex interactions.
  • Surface colonization is crucial for bacterial survival, growth, and pathogenesis.
  • Bacteria possess sophisticated mechanisms to detect and respond to solid substrata.

Purpose of the Study:

  • To review bacterial surface sensing mechanisms.
  • To explain how bacteria adapt physiology and behavior upon surface contact.
  • To highlight the role of mechanosensing, chemosensing, and second messengers in this process.

Main Methods:

  • Survey of mechanosensing and chemosensing pathways.
  • Analysis of macromolecular structures involved in surface detection.
  • Discussion of signal transduction involving second messengers cyclic di-GMP and cyclic AMP.

Main Results:

  • Bacteria utilize specific macromolecular structures to sense mechanical and chemical cues from surfaces.
  • Surface contact triggers a cascade of biochemical signals.
  • Second messengers cyclic di-GMP and cyclic AMP play critical roles in regulating cellular processes upon surface attachment.

Conclusions:

  • Bacterial surface sensing is a complex process involving integrated mechanical and chemical signaling.
  • Understanding these mechanisms is vital for controlling bacterial behavior, especially in pathogenic contexts.
  • The review provides a comprehensive overview of bacterial adaptation to surface environments.