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Cell-surface hydrophobicity of Staphylococcus saprophyticus
1Western Diagnostic Pathology, Myaree, Western Australia.
Epidemiology and Infection
|February 1, 1991
Summary
Most Staphylococcus saprophyticus isolates showed strong cell-surface hydrophobicity, a trait potentially linked to virulence and predicting clinical significance in urinary tract infections.
Area of Science:
- Microbiology
- Urology
- Infectious Diseases
Background:
- Urinary tract infections (UTIs) are commonly caused by Staphylococcus saprophyticus.
- Understanding the virulence factors of S. saprophyticus is crucial for effective treatment and prevention.
- Cell-surface properties, such as hydrophobicity, can influence bacterial adhesion and pathogenicity.
Purpose of the Study:
- To assess the cell-surface hydrophobicity of Staphylococcus saprophyticus.
- To investigate the potential role of hydrophobicity as a virulence factor in S. saprophyticus.
- To determine if cell-surface hydrophobicity can predict the clinical significance of coagulase-negative staphylococci.
Main Methods:
- Cultured 100 urinary isolates of Staphylococcus saprophyticus from symptomatic females.
- Assessed cell-surface hydrophobicity using a two-phase aqueous:hydrocarbon system.
Main Results:
- 79 out of 100 isolates exhibited relatively strong cell-surface hydrophobicity.
- Only 2 isolates showed no detectable hydrophobicity.
- A high prevalence of cell-surface hydrophobicity was observed in this S. saprophyticus cohort.
Conclusions:
- Cell-surface hydrophobicity is a common characteristic of S. saprophyticus.
- Hydrophobicity may serve as a virulence factor, aiding in uroepithelial adherence.
- Cell-surface hydrophobicity could be a valuable predictor for the clinical relevance of coagulase-negative staphylococci.