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Neuraminidase produces dose-dependent decrease of slime production and adherence of slime-forming, coagulase-negative
Serhan Sakarya1, Serkan Oncu, Selcen Oncu
1Department of Infectious Diseases and Clinical Microbiology, Adnan Menderes University, Aydin 09100, Turkey. serhansakarya@yahoo.com
Archives of Medical Research
|August 25, 2004
Summary
Neuraminidase significantly reduces slime production and bacterial adherence in slime-forming coagulase-negative staphylococci. This suggests sialic acid is crucial for bacterial adhesion to surfaces.
Area of Science:
- Microbiology
- Biochemistry
Background:
- Slime production is key for bacterial nonspecific adherence.
- Coagulase-negative staphylococci utilize slime for surface attachment.
Purpose of the Study:
- To investigate the effect of neuraminidase on slime formation.
- To determine the role of neuraminidase in bacterial adherence to inert surfaces.
Main Methods:
- Quantitative biofilm and qualitative adherence assays were used.
- Increasing concentrations of neuraminidase from Clostridium perfringens were applied.
- Polystyrene plates and polypropylene tubes served as inert surfaces.
Main Results:
- Slime production decreased dose-dependently with neuraminidase (≥100 mU/mL).
- Bacterial adherence was inhibited at ≥100 mU/mL neuraminidase.
- Adherence assay results correlated with slime production levels.
Conclusions:
- Sialic acid is likely a component of bacterial slime.
- Sialic acid plays a role in bacterial adherence to inert surfaces.
- This study provides new insights into slime production mechanisms.