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Updated: May 23, 2026
08:38
Using a Bacterial Pathogen to Probe for Cellular and Organismic-level Host Responses
Published on: February 22, 2019
Legless pathogens: how bacterial physiology provides the key to understanding pathogenicity
1School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK.
Microbiology (Reading, England)
|April 12, 2012
Summary
Understanding microbial physiology and metabolism is key to understanding pathogenicity. This review highlights how normal bacterial functions, like those in Neisseria gonorrhoeae and enteric bacteria, contribute to survival and virulence.
Area of Science:
- Microbiology
- Pathogenesis Research
- Bacterial Physiology
Background:
- Pathogenicity mechanisms are often linked to microbial physiology and metabolism.
- Bacterial survival during host infection relies on specific physiological adaptations.
Purpose of the Study:
- To review the role of normal microbial physiological and metabolic processes in pathogenicity.
- To examine how bacteria like Neisseria gonorrhoeae and enteric bacteria utilize physiological traits for survival and virulence.
Main Methods:
- Review of existing literature on microbial physiology, metabolism, and pathogenicity.
- Analysis of specific examples including Neisseria gonorrhoeae and enteric bacteria.
- Discussion of regulatory systems and stress response mechanisms.
Main Results:
- Neisseria gonorrhoeae employs several normal physiological functions (e.g., sialylation, lactate oxidation, stress response) to cope with host defenses.
- Enteric bacteria utilize duplicate nitrate reduction pathways regulated by two-component systems for survival under varying nitrate conditions.
- Duplicated biochemical pathways in bacteria are often non-redundant and serve specific physiological roles.
Conclusions:
- Normal microbial physiological and metabolic capabilities are fundamental to understanding pathogenicity.
- Bacterial adaptations for stress response and nutrient utilization are critical for virulence.
- Understanding these physiological underpinnings is essential for developing novel therapeutic strategies against bacterial infections.
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