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Relationship Between Quorum Sensing and Secretion Systems.

Rocio Trastoy Pena1, Lucia Blasco1, Antón Ambroa1

  • 1Deapartamento de Microbiología y Parasitología, Complejo Hospitalario Universitario A Coruña (CHUAC), Instituto de Investigación Biomédica (INIBIC), Universidad de A Coruña (UDC), A Coruña, Spain.

Frontiers in Microbiology
|June 25, 2019
PubMed
Summary
This summary is machine-generated.

Quorum sensing (QS) regulates bacterial secretion systems (SS), crucial for virulence and communication. This review details QS-controlled SS, focusing on Pseudomonas aeruginosa and Vibrio spp.

Keywords:
competencemotilityquorumsecretionvirulence

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Area of Science:

  • Microbiology
  • Bacterial Pathogenesis
  • Molecular Biology

Background:

  • Quorum sensing (QS) is a cell-to-cell communication mechanism in bacteria.
  • Secretion systems (SS) are vital for bacterial processes, including virulence and inter-bacterial communication.
  • SS are present in diverse bacterial species and are classified into 8 types.

Purpose of the Study:

  • To review the known types of bacterial secretion systems (SS).
  • To discuss SS that are regulated by quorum sensing (QS).
  • To focus on QS-regulated SS in Pseudomonas aeruginosa and Vibrio spp.

Main Methods:

  • Literature review of bacterial secretion systems.
  • Analysis of quorum sensing regulation in secretion systems.
  • Comparative study of SS in selected pathogens.

Main Results:

  • Eight types of SS (T1SS-T9SS) have been described with diverse functions.
  • Many SS play roles in virulence, pathogenesis, and bacterial adaptation.
  • QS regulation of SS is a significant factor in bacterial behavior, particularly in P. aeruginosa and Vibrio.

Conclusions:

  • Secretion systems are key effectors of bacterial virulence and communication.
  • Quorum sensing plays a critical role in controlling the expression and function of various secretion systems.
  • Understanding QS-mediated SS regulation is essential for developing novel anti-virulence strategies.