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Fimbrial expression in enteric bacteria: a critical step in intestinal pathogenesis
1Dept of Microbiology, University of Illinois Urbana-Champaign 61801, USA. edwards2@uiuc.edu
Trends in Microbiology
|August 26, 1998
Summary
Enteric bacteria colonize the intestine by sensing environmental signals to express adherence factors. This process is crucial for bacterial pathogenesis and niche colonization.
Area of Science:
- Microbiology
- Bacterial Pathogenesis
- Gastrointestinal Microbiology
Background:
- Enteric bacteria inhabit specific intestinal niches.
- Bacterial colonization relies on sensing environmental cues and expressing adhesion factors.
Purpose of the Study:
- To elucidate the mechanisms of enteric bacteria's niche recognition and colonization.
- To understand the role of environmental signals in bacterial pathogenesis.
Main Methods:
- Analysis of receptor distribution in enteric bacteria.
- Investigation of environmental signal interpretation.
- Study of adherence factor expression.
Main Results:
- Receptor distribution and environmental signal interpretation are key to bacterial niche colonization.
- Specific adherence factors are expressed in response to combined environmental signals.
- This orchestrated bacterial response is critical for initial pathogenesis.
Conclusions:
- Enteric bacteria possess sophisticated mechanisms for intestinal colonization.
- Environmental sensing and adherence factor expression are vital for bacterial pathogenesis.