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Updated: Mar 19, 2026

Establishment of a High-throughput Setup for Screening Small Molecules That Modulate c-di-GMP Signaling in Pseudomonas aeruginosa
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Establishment of a High-throughput Setup for Screening Small Molecules That Modulate c-di-GMP Signaling in Pseudomonas aeruginosa

Published on: June 30, 2016

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Combating chronic bacterial infections by manipulating cyclic nucleotide-regulated biofilm formation

Shi-Qi An1, Robert P Ryan1

  • 1Division of Molecular Microbiology, School of Life Science, University of Dundee, Dundee, UK.

Future Medicinal Chemistry
|June 16, 2016
PubMed

Insights

New drugs targeting cyclic-diguanosine-GMP (c-di-GMP) signaling show promise for controlling bacterial biofilm infections, offering a novel approach against antibiotic-resistant pathogens like Pseudomonas aeruginosa.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Drug Discovery

Background:

  • Pathogenic bacteria form biofilms in clinical settings, leading to persistent infections.
  • Biofilms exhibit increased resistance to antibiotics and host immune responses compared to planktonic cells.
  • Targeting biofilm formation is crucial for developing effective anti-infective strategies.

Purpose of the Study:

  • To review recent advancements in developing drugs that target cyclic-diguanosine-GMP (c-di-GMP) signaling pathways.
  • To explore the potential of c-di-GMP interference as a therapeutic strategy against bacterial biofilms.
  • To highlight the relevance of these strategies for controlling chronic infections, particularly those caused by Pseudomonas aeruginosa.

Main Methods:

  • Review of current literature on c-di-GMP signaling in bacterial biofilms.
  • Analysis of drug development efforts targeting c-di-GMP pathways.
  • Focus on Pseudomonas aeruginosa as a model pathogen for biofilm control.

Main Results:

  • Cyclic nucleotide second messengers, especially c-di-GMP, are critical regulators of biofilm formation and maintenance in many bacteria.
  • Emerging drug candidates aim to disrupt c-di-GMP signaling to inhibit biofilm development.
  • These approaches offer a potential alternative to conventional antibiotics for treating biofilm-associated infections.

Conclusions:

  • Interfering with c-di-GMP signaling represents a promising therapeutic avenue for combating bacterial biofilm infections.
  • Drug development targeting c-di-GMP pathways could provide valuable new options for clinical settings.
  • The principles discussed are broadly applicable to various bacterial pathogens, with a specific focus on Pseudomonas aeruginosa chronic infections.
Keywords:
Pseudomonas aeruginosaantibiotic resistancebacterial infectionbiofilm formationcyclic nucleotide signaling

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