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Bacterial injection machines: Evolutionary diverse but functionally convergent.

Sophie Bleves¹, Jorge E Galán², Matxalen Llosa³

¹LISM (Laboratoire d'Ingénierie des Systèmes Macromoléculaires-UMR7255), IMM (Institut de Microbiologie de la Méditerranée), Aix-Marseille Univ and CNRS, Marseille, France.

Cellular Microbiology

|January 1, 2020

Summary

This summary is machine-generated.

Pathogenic microbes use secretion systems like Type III, IV, and VI to infect cells. Understanding these bacterial secretion systems is key to developing new antivirulence strategies against human diseases.

Keywords:

Type III secretion system Type IV secretion system Type VI secretion system antibacterial bacterial secretion effector protein host subversion machinery assembly microbial virulence pathogenicity protein translocation toxin

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Area of Science:

Microbiology
Molecular Biology
Pathogenesis

Background:

Human pathogens frequently utilize Type III, Type IV, and Type VI secretion systems.
These systems are crucial for delivering effector proteins into host cells, contributing significantly to microbial virulence.

Purpose of the Study:

To discuss the role of bacterial secretion systems in microbial virulence and human disease.
To explore the structure-function, substrate recruitment, and translocation mechanisms of these systems.
To understand effector functions in subverting host cells and inform antivirulence strategies.

Main Methods:

Workshop format featuring presentations from international experts.
Discussion of current research on Type III, IV, and VI secretion systems.
Analysis of effector protein mechanisms and host cell interactions.

Main Results:

Detailed examination of the diverse mechanisms employed by different secretion systems.
Highlighting the significant involvement of bacterial secretion in causing human diseases.
Identification of effector roles in manipulating host cell functions.

Conclusions:

Bacterial secretion systems are critical virulence factors.
Understanding these systems provides insights into pathogenicity.
This knowledge can guide the development of novel antivirulence therapies.