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Bacterial pathogenesis: exploiting cellular adherence.

Erin C Boyle¹, B Brett Finlay

¹Department of Microbiology and Immunology, Biotechnology Laboratory, Wesbrook Building, Room 237, 6174 University Boulevard, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z3. coboyle@interchange.ubc.ca

Current Opinion in Cell Biology

|October 2, 2003

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Bacterial pathogens exploit cell adhesion molecules to infect host cells. Understanding these interactions reveals new insights into bacterial invasion and host cell signaling pathways.

Area of Science:

Cellular biology
Microbiology
Immunology

Background:

Cell adhesion molecules (integrins, cadherins, immunoglobulin superfamily, selectins) are crucial for cell structure and signaling.
Bacterial pathogens frequently utilize these molecules for host cell entry and persistence.

Purpose of the Study:

To elucidate the mechanisms by which bacteria adhere to cell adhesion molecules.
To understand the consequences of bacterial mimicry of host receptors.
To explore novel functions of cell adhesion molecules in infection.

Main Methods:

Review of recent studies on bacterial adherence.
Analysis of bacterial mimicry strategies.
Investigation of host cell receptor engagement.

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Main Results:

Bacteria bind to cell adhesion molecules by mimicking host receptors or ligands.
This adherence facilitates host cell invasion and extracellular persistence.
Bacterial interactions reveal alternative roles for cell adhesion molecules.

Conclusions:

Bacterial adherence to cell adhesion molecules is a key step in pathogenesis.
Understanding these interactions provides targets for therapeutic intervention.
Cell adhesion molecules have multifaceted roles in host-pathogen dynamics.