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Virulence characterization of Listeria monocytogenes

Swetha Reddy1, Mark L Lawrence

  • 1College of Veterinary Medicine, Mississippi State University, 240 Wise Center Drive, Starkville, MS, 39762-6100, USA.

Methods in Molecular Biology (Clifton, N.J.)
|May 6, 2014
PubMed

Insights

Listeria monocytogenes causes severe illness and death. This review explores genomics and models to identify virulence factors and potential biomarkers for detecting this dangerous foodborne pathogen.

Area of Science:

  • Microbiology
  • Genomics
  • Pathogen Research

Background:

  • Listeria monocytogenes is a foodborne pathogen causing significant mortality, particularly in immunocompromised individuals.
  • It possesses sophisticated virulence mechanisms to evade host defenses and establish infection.
  • Understanding these mechanisms is crucial for controlling listeriosis.

Purpose of the Study:

  • To review the application of comparative and functional genomics in identifying Listeria monocytogenes virulence factors.
  • To highlight the potential of identified genes and proteins as biomarkers for virulent strains.
  • To discuss advancements in in vivo and in vitro models for studying listerial pathogenesis.

Main Methods:

  • Comparative genomics analysis to identify virulence-associated genes.
  • Functional genomics approaches to characterize gene and protein functions in infection.
  • Review of established and emerging in vivo and in vitro models for Listeria monocytogenes research.

Main Results:

  • Genomic studies have successfully identified key genes and proteins contributing to Listeria monocytogenes virulence.
  • These identified factors show promise as diagnostic biomarkers for virulent strains.
  • Progress in experimental models enhances the characterization of pathogen-host interactions.

Conclusions:

  • Genomic and functional genomics are powerful tools for dissecting Listeria monocytogenes virulence.
  • Biomarkers derived from these studies can aid in the detection of pathogenic strains.
  • Improved models are essential for a comprehensive understanding and control of listeriosis.

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