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Recent Advances in the Discovery of PqsD Inhibitors as Antimicrobial Agents

Ziteng Zhou1, Shutao Ma1

  • 1Department of Medicinal Chemistry, Key Laboratory of Chemical Biology, Ministry of Education, School of Pharmaceutical Sciences, Shandong University, 44, West Culture Road, Jinan, 250012, PR China).

Chemmedchem
|February 15, 2017
PubMed

Insights

Pseudomonas aeruginosa infections are difficult to treat due to antibiotic resistance. This review explores PqsD enzyme inhibitors as a potential new treatment targeting the bacterium's quorum-sensing system.

Area of Science:

  • Microbiology
  • Drug Discovery
  • Biochemistry

Background:

  • Pseudomonas aeruginosa is an opportunistic pathogen causing difficult-to-treat infections.
  • Antibiotic resistance in P. aeruginosa necessitates novel therapeutic strategies.
  • The quorum-sensing system is crucial for P. aeruginosa virulence.

Purpose of the Study:

  • To review PqsD inhibitors as potential treatments for P. aeruginosa infections.
  • To outline the structures, mechanisms of action, and structure-activity relationships of PqsD inhibitors.

Main Methods:

  • Literature review of PqsD inhibitors.
  • Analysis of enzyme structures and inhibitory activities.
  • Examination of structure-activity relationships.

Main Results:

  • PqsD is a key enzyme in P. aeruginosa quorum-sensing.
  • HHQ is a critical signal molecule synthesized via PqsD.
  • Various PqsD inhibitors have been identified with different mechanisms.

Conclusions:

  • PqsD inhibitors represent a promising therapeutic avenue against P. aeruginosa.
  • Understanding structure-activity relationships can guide the development of more potent inhibitors.
  • Targeting quorum sensing offers a strategy to overcome antibiotic resistance.
Keywords:
PqsDantimicrobial agentsinhibitorsquinolone signalquorum sensing

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