Virulence factor-activity relationships (VFAR) with specific emphasis on Aeromonas species (spp.)

Ashok K Chopra1, Joerg Graf, Amy J Horneman

  • 1Departments of Microbiology and Immunology/WHO Collobrating Center for Tropical Diseases and center for Biodefense and Emergency Infestious Diseases, Shriners Burns Institute, UTMB, Galveston, TX 77555-1070, USA. achopra@utmb.edu

Journal of Water and Health
|September 1, 2009
PubMed

Insights

Aeromonas infections affect vulnerable populations like children and the elderly. This review details virulence factors of Aeromonas hydrophila, aiding in distinguishing pathogenic from non-pathogenic strains.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Pathogenesis

Background:

  • Aeromonas species are opportunistic pathogens causing human infections, particularly diarrhea in children.
  • Infections are linked to consuming contaminated food and water, and environmental exposures like natural disasters.
  • A specific subset of Aeromonas species, including Aeromonas hydrophila, Aeromonas caviae, and Aeromonas veronii biovar sobria, are primarily responsible for human diseases.

Purpose of the Study:

  • To review the virulence aspects of a clinical isolate of Aeromonas hydrophila.
  • To understand the pathogenesis of Aeromonas infections.
  • To aid in differentiating pathogenic from non-pathogenic Aeromonas species.

Main Methods:

  • Isolation of virulence factors from a diarrheal Aeromonas hydrophila isolate (SSU).
  • Molecular characterization of identified virulence factors.
  • Review of existing literature on Aeromonas pathogenesis and host immune response.

Main Results:

  • Identification and characterization of various virulence factors from Aeromonas hydrophila.
  • Understanding the role of host immune status in disease development.
  • Advances in differentiating pathogenic Aeromonas strains.

Conclusions:

  • Virulence factors of Aeromonas species are crucial for pathogenesis.
  • Host immune status significantly influences disease outcome.
  • Further understanding of Aeromonas pathogenesis aids in clinical management and prevention.

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