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Automated, High-Throughput Detection of Bacterial Adherence to Host Cells
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Adherence of Pseudomonas aeruginosa to human buccal epithelial cells

Katarzyna Wolska1, Bozena Bednarz, Antoni Jakubczak

  • 1Department of Microbiology, Institute of Biology, University of Podlasie, Siedlce, Poland. kwolska1@poczta.onet.pl

Acta Microbiologica Polonica
|April 21, 2004
PubMed

Insights

Pseudomonas aeruginosa bacteria bind more effectively to buccal cells treated with trypsin. This suggests proteolytic enzymes enhance bacterial adherence, impacting host-pathogen interactions.

Area of Science:

  • Microbiology
  • Cell Biology
  • Infectious Diseases

Background:

  • Pseudomonas aeruginosa is an opportunistic pathogen.
  • Buccal cells serve as a potential initial host cell target.
  • Understanding bacterial adherence mechanisms is crucial for infection control.

Purpose of the Study:

  • To investigate the adherence of Pseudomonas aeruginosa to trypsin-treated buccal cells.
  • To quantify the difference in bacterial binding compared to normal buccal cells.

Main Methods:

  • Isolation of 83 Pseudomonas aeruginosa strains from human and animal sources.
  • Incubation of bacteria with trypsin-treated and normal buccal epithelial cells.
  • Quantification of bacterial adherence using microscopy or other enumeration techniques.

Main Results:

  • Significantly higher numbers of Pseudomonas aeruginosa adhered to trypsin-treated buccal cells compared to normal cells.
  • Mean adherence to trypsin-treated cells was 107.05 +/- 102.16.
  • Mean adherence to normal cells was 6.97 +/- 3.53.

Conclusions:

  • Proteolytic enzyme treatment, such as with trypsin, increases the binding capacity of buccal cells for Pseudomonas aeruginosa.
  • This finding highlights a mechanism that may facilitate Pseudomonas aeruginosa colonization and infection initiation.

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