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[Obtaining purified staphylococcal enterotoxin type B]
Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
|May 1, 1976
Summary
This study details a three-stage purification method for staphylococcus enterotoxin type B, yielding a potent preparation. The method enables the isolation of staphylococcal enterotoxin B for further research.
Area of Science:
- Microbiology
- Immunology
- Biochemistry
Context:
- Staphylococcus enterotoxin B (SEB) is a significant foodborne pathogen.
- Accurate purification methods are crucial for SEB research and diagnostics.
- Existing purification techniques may require optimization for yield and purity.
Purpose:
- To develop and describe an effective three-stage purification protocol for staphylococcus enterotoxin type B.
- To characterize the purified enterotoxin's activity and antigenic properties.
- To generate specific antiserum against purified staphylococcus enterotoxin B.
Summary:
- A three-stage purification method involving lyophilization, dialysis, ethanol precipitation, and Sephadex G-100 gel chromatography was developed for staphylococcus enterotoxin type B.
- The isolated enterotoxin exhibited significant enterotoxic activity at a low protein dose (0.015 mg/kg body weight in cats) and presented as a two-component antigenic system.
- Immunization of rabbits with the purified enterotoxin resulted in the production of a specific antiserum, primarily containing antibodies against staphylococcus enterotoxin B.
Impact:
- Provides a refined method for obtaining purified staphylococcus enterotoxin B.
- Facilitates further studies on SEB's mechanism of action and pathogenicity.
- Enables the development of improved diagnostic tools and potential therapeutic interventions targeting SEB.