BgaA acts as an adhesin to mediate attachment of some pneumococcal strains to human epithelial cells
2011

BgaA: A Key Adhesin for Pneumococcal Attachment to Human Cells

publication Evidence: high

Author Information

Author(s): D. H. Limoli, Julie A. Sladek, Lindsey A. Fuller, Anirudh K. Singh, Samantha J. King

Primary Institution: Center for Microbial Pathogenesis, The Research Institute at Nationwide Children’s Hospital

Hypothesis

BgaA acts as an adhesin to mediate attachment of some pneumococcal strains to human epithelial cells.

Conclusion

BgaA is shown to function as an adhesin, contributing to the adherence of certain pneumococcal strains to human epithelial cells.

Supporting Evidence

  • BgaA was shown to bind directly to human epithelial cells.
  • Mutations in bgaA resulted in reduced adherence to epithelial cells.
  • Recombinant BgaA inhibited adherence of pneumococcal strains to epithelial cells.

Takeaway

BgaA helps bacteria stick to our cells, which is important for infections.

Methodology

The study involved adherence assays using various pneumococcal strains and human epithelial cells, along with genetic mutations to assess the role of BgaA.

Limitations

The study primarily focused on specific strains and may not represent all pneumococcal strains.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1099/mic.0.045609-0

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