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Medical significance and management of staphylococcal biofilm

Astha Agarwal1, Kaleshwar Prasad Singh, Amita Jain

  • 1Department of Microbiology, Chhatrapati Shahuji Maharaj Medical University, Lucknow, UP, India.

FEMS Immunology and Medical Microbiology
|October 2, 2009
PubMed

Insights

Staphylococcal biofilm, a key virulence factor, contributes to device-related infections. Understanding its structure, formation, and genetic regulation is crucial for combating these infections.

Area of Science:

  • Microbiology
  • Infectious Diseases

Background:

  • Biofilm formation is a critical virulence factor in staphylococcal infections.
  • Staphylococcal biofilms are implicated in various device-related infections, including endocarditis and UTIs.

Purpose of the Study:

  • To review the structure and formation of staphylococcal biofilm.
  • To discuss the role of staphylococcal biofilm in medical infections.

Main Methods:

  • Literature review of biofilm formation in staphylococci.
  • Analysis of genes involved in biofilm synthesis and regulation.

Main Results:

  • Biofilm formation involves cell adherence and multilayered cluster accumulation.
  • Polysaccharide intercellular adhesin is a hallmark of staphylococcal biofilm.
  • Biosynthetic (icaADBC) and regulatory genes (icaR, sar, agr, rbf, sigma(B)) are involved.

Conclusions:

  • Staphylococcal biofilm is a significant contributor to persistent and device-related infections.
  • Understanding biofilm's genetic underpinnings is essential for developing targeted therapies.

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