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Vibrio cholerae: Model Organism to Study Bacterial Pathogenesis - Interview
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Vibrio cholerae as a predator: lessons from evolutionary principles

Stefan Pukatzki1, Daniele Provenzano2

  • 1Department of Medical Microbiology and Immunology, University of Alberta Edmonton, AB, Canada.

Frontiers in Microbiology
|December 26, 2013
PubMed

Insights

Vibrio cholerae causes cholera, a deadly diarrheal disease. This study proposes that V. cholerae uses its type VI secretion system for predation, enabling rapid growth and multiplication to cause severe illness.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Bacterial Pathogenesis

Background:

  • Diarrheal diseases are a leading cause of mortality in children under five globally.
  • Cholera, caused by Vibrio cholerae, results in millions of cases and over 120,000 deaths annually.
  • V. cholerae invades the small intestine, multiplies, and secretes toxins, leading to severe diarrhea.

Purpose of the Study:

  • To investigate the mechanism by which V. cholerae achieves rapid population growth during infection.
  • To explore the role of the type VI secretion system in V. cholerae's proliferation and virulence.

Main Methods:

  • The study proposes a hypothesis involving bacterial predation.
  • Further research would involve experimental validation of the proposed mechanism.

Main Results:

  • The proposed mechanism involves V. cholerae utilizing its type VI secretion system.
  • This system is hypothesized to facilitate intraspecies and intraguild predation.

Conclusions:

  • V. cholerae may use its type VI secretion system for predation to acquire nutrients.
  • This predation supports rapid growth and multiplication, contributing to cholera pathogenesis.

Keywords:
Vibrio choleraecholeraintraguild predationmicrobiome modificationnutrient acquisitiontype VI secretion system

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