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Forward Genetic Approaches in Chlamydia trachomatis
Published on: October 23, 2013
Chlamydiaceae in cattle: commensals, trigger organisms, or pathogens?
Petra Reinhold1, Konrad Sachse, Bernhard Kaltenboeck
1Institute of Molecular Pathogenesis at The Friedrich-Loeffler-Institut, Naumburger Str. 96a, 07743 Jena, Germany. petra.reinhold@fli.bund.de
Veterinary Journal (London, England : 1997)
|October 29, 2010
Summary
Chlamydial infections in cattle, though often sub-clinical, significantly impact livestock productivity, causing pulmonary disease and reproductive issues. Further research is needed to understand pathogenesis, control, and zoonotic risks.
Area of Science:
- Veterinary Microbiology
- Livestock Epidemiology
Background:
- Chlamydial infections (e.g., Chlamydophila pecorum, C. abortus, C. psittaci, Chlamydia suis) are widespread in cattle populations globally.
- The pathogenic significance of chlamydiae is debated due to frequent sub-clinical and persistent infections.
Purpose of the Study:
- To review current evidence on the impact of chlamydial infections on cattle health and productivity.
- To identify key areas for future research in bovine chlamydioses.
Main Methods:
- Review of epidemiological data and recent scientific evidence.
- Synthesis of information regarding clinical manifestations and risk factors.
Main Results:
- Chronic, recurrent chlamydial infections are linked to pulmonary disease in calves and sub-clinical mastitis and infertility in dairy cows.
- Clinical manifestation of chlamydial infections often correlates with specific epidemiological risk factors.
Conclusions:
- Bovine chlamydioses have a substantial, quantifiable economic impact on livestock productivity.
- Future research priorities include clarifying pathogenesis using animal models, herd-level impact assessment, control strategies (including vaccines), and evaluating zoonotic potential.
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