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[Bacterial adherence and its importance in the pathogenesis of infections]
1Skola narodnog zdravlja Andrija Stampar, Zavod za mikrobiologiju i parasitologiju Medicinskog fakulteta Sveucilista u Zagrebu.
Abstract:
Bacteria usually attack the susceptible animal or human organisms at mucosal surfaces of the respiratory, gastrointestinal or genitourinary tract. To colonize these surfaces they must penetrate a number of nonspecific defense barriers including cleansing mechanisms such as sneezing, coughing, peristalsis and fluid flow. Successful microorganisms escape recognition by soluble immune or nonimmune molecules, and bind to the mucosal surfaces via specialised molecules exposed on their surface (adhesions) which recognize and interact with complementary molecules (receptors) on the surface of specific host cells. This key step in the pathogenesis of infectious diseases is currently the subject of intensive investigation. In this review the mechanism and the role of adherence in different bacterial infections are considered.
Insights
Bacteria adhere to host cells using specific molecules called adhesions, a crucial step in causing infections. Understanding this bacterial adherence mechanism is vital for developing new treatments against infectious diseases.
Area of Science:
- Microbiology
- Immunology
- Pathogenesis
Context:
- Bacterial infections commonly target mucosal surfaces in humans and animals.
- Nonspecific defense barriers like sneezing and peristalsis must be overcome by pathogens.
- Pathogens evade immune detection to colonize host tissues.
Purpose:
- To review the mechanisms of bacterial adherence to host cells.
- To examine the role of adherence in the pathogenesis of various bacterial infections.
- To highlight adherence as a key step in infectious disease development.
Summary:
- Bacteria utilize surface molecules called adhesions to bind to host cell receptors.
- This specific binding is essential for colonization and subsequent infection.
- The review focuses on the molecular interactions driving bacterial pathogenesis.
Impact:
- Provides insights into a critical factor in infectious disease.
- Informs strategies for preventing or treating bacterial infections.
- Highlights the importance of host-pathogen interactions in disease development.