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Construction of a database to identify Staphylococcus species
C Geary1, M Stevens, P H Sneath
1Public Health Laboratory, Leicester Royal Infirmary.
Journal of Clinical Pathology
|March 1, 1989
Summary
A new database and method were developed for identifying Staphylococcus species in humans. This rapid and reliable scheme accurately identified over 94% of clinical isolates to the species level.
Area of Science:
- Microbiology
- Clinical Diagnostics
- Bacterial Identification
Background:
- Accurate identification of Staphylococcus species is crucial for clinical diagnostics and patient management.
- Existing methods for Staphylococcus identification can be time-consuming or require specialized equipment.
Purpose of the Study:
- To develop and evaluate a database and a rapid, reliable, and inexpensive method for the routine identification of Staphylococcus species from human clinical isolates.
Main Methods:
- Construction of a database using 15 conventional characterization tests and a multipoint inoculation system.
- Inclusion of 125 reference strains and 1567 clinical isolates in database construction.
- Evaluation using a probability profile index generated from the database on 559 additional clinical isolates.
Main Results:
- The developed scheme successfully identified 529 out of 559 (94.6%) clinical isolates to the species level.
- A low discrimination between two species was observed for 20 isolates (3.6%).
- The method demonstrated speed, reliability, and cost-effectiveness.
Conclusions:
- The proposed database and identification scheme provide a rapid, reliable, and inexpensive tool for routine Staphylococcus species identification.
- This method can significantly aid in the accurate diagnosis and treatment of Staphylococcus-related infections.