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Gastrointestinal stress as innate defence against microbial attack
H Panwar1, N Rokana1, S V Aparna2
1Department of Dairy Microbiology, College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India.
Journal of Applied Microbiology
|September 2, 2020
Summary
The human gastrointestinal tract employs diverse antimicrobial defenses to maintain health against microbes. Understanding these defenses and microbial countermeasures is crucial for probiotics and pathogens.
Area of Science:
- Microbiology
- Human Physiology
- Immunology
Background:
- The human gastrointestinal (GI) tract harbors a complex microbial ecosystem, necessitating robust defense mechanisms.
- This environment presents extreme conditions like pH variations and anaerobic settings, influencing microbial survival.
Purpose of the Study:
- To review the antimicrobial defense mechanisms across different sections of the human GI tract.
- To explore the strategies employed by microbes to overcome these host defenses.
Main Methods:
- Literature review focusing on GI tract antimicrobial defenses.
- Analysis of microbial adaptation and resistance strategies within the GI tract.
Main Results:
- The GI tract utilizes a multi-faceted approach to control microbial colonization and growth.
- Microbes have evolved specific mechanisms to survive and thrive within the challenging GI environment.
Conclusions:
- The interplay between host defenses and microbial adaptations dictates the outcome of microbial interactions in the GI tract.
- Survival of innate GI defense mechanisms determines the pathogenic or probiotic potential of microbial strains.
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