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Related Experiment Videos

Brucellosis: an overview

M J Corbel1

  • 1National Institute of Biological Standards and Control, South Mimmas, Potters Bar, Hertfordshire, United Kingdom. mcorbel@nibsc.ac.uk

Emerging Infectious Diseases
|April 1, 1997
PubMed
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Brucellosis, a significant zoonotic disease, is caused by various Brucella species affecting livestock and humans. Research explores molecular typing, pathogenicity factors, and diagnostic/therapeutic strategies for better control.

Area of Science:

  • Veterinary Medicine
  • Infectious Diseases
  • Zoonoses

Background:

  • Brucellosis is a major global zoonotic disease with evolving causative agents like Brucella melitensis and Brucella suis in livestock.
  • Emerging Brucella strains in marine mammals expand the ecological range of these pathogens.
  • Understanding Brucella's phylogenetic relationships and pathogenicity factors is crucial for disease control.

Purpose of the Study:

  • To review the current understanding of Brucellosis, including its epidemiology, pathogenicity, and host immune responses.
  • To highlight advancements in diagnostic and therapeutic approaches for Brucellosis.
  • To discuss the potential of novel vaccine candidates for human Brucellosis.

Main Methods:

  • Phylogenetic analysis using molecular genetic studies.

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  • Identification of key pathogenicity factors, including lipopolysaccharides and specific enzymes.
  • Evaluation of diagnostic methods like enzyme immunoassay and polymerase chain reaction (PCR).
  • Review of therapeutic regimens and vaccine development.

    • Main Results:

    • Brucella melitensis and Brucella suis are significant causes of Brucellosis in cattle, sheep, and goats, impacting human health.
    • Molecular studies reveal Brucella's phylogenetic links to other bacterial genera.
    • Key virulence factors contributing to pathogenicity have been identified.
    • Enzyme immunoassay and PCR show promise for improved diagnostics.
    • Attenuated purE mutants are promising vaccine candidates for human Brucellosis.

    Conclusions:

    • Brucellosis remains a persistent global health challenge requiring ongoing surveillance and control strategies.
    • Advances in molecular diagnostics and understanding of pathogenicity are improving disease management.
    • Development of effective human vaccines is a critical unmet need, with purE mutants showing potential.