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Updated: Jun 19, 2026
08:51
Genotyping of Staphylococcus aureus by Ribosomal Spacer PCR (RS-PCR)
Published on: November 4, 2016
THE IMMUNOLOGICAL SPECIFICITY OF STAPHYLOCOCCI : I. THE OCCURRENCE OF SEROLOGICAL TYPES
1Oscar Johnson Institute, Washington University School of Medicine, St. Louis.
The Journal of Experimental Medicine
|October 30, 2009
Summary
Precipitation tests reveal two Staphylococcus types, virulent (A) and avirulent (B). Agglutination and bacteriophage lysis are imprecise for Staphylococcus serotyping, unlike precipitation methods.
Area of Science:
- Microbiology
- Immunology
- Bacteriology
Background:
- Staphylococcal serotyping is crucial for understanding pathogenicity.
- Accurate methods are needed to differentiate Staphylococcus strains.
Purpose of the Study:
- To evaluate different methods for Staphylococcus serotyping.
- To identify distinct serological types within Staphylococcus populations.
Main Methods:
- Precipitation tests using soluble specific substance, centrifugates, and acid extracts.
- Agglutination tests.
- Bacteriophage lysis.
- Immunization studies (intravenous and intracutaneous).
Main Results:
- Precipitation demonstrates at least two distinct Staphylococcus types: Type A (virulent) and Type B (avirulent).
- Agglutination and bacteriophage lysis are unreliable for Staphylococcus serotyping.
- Immunization primarily stimulates agglutinin formation, with limited precipitin response.
Conclusions:
- Precipitation is a more precise method for Staphylococcus serotyping than agglutination or bacteriophage lysis.
- Staphylococcus strains can be classified into immunologically distinct virulent and avirulent types.
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