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Related Experiment Videos

Production and detection of staphylococcal elastase.

D P Hartman, R A Murphy

    Infection and Immunity
    |January 1, 1977
    PubMed
    Summary

    Researchers optimized staphylococcal elastase production from Staphylococcus epidermidis using a dialysis membrane technique. Near-optimal enzyme levels were achieved in 28 hours for routine applications.

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    Area of Science:

    • Microbiology
    • Enzymology

    Background:

    • Staphylococcus epidermidis produces staphylococcal elastase, an enzyme with potential biotechnological applications.
    • Optimizing the production and detection of this enzyme is crucial for its effective utilization.

    Purpose of the Study:

    • To determine the optimal conditions for producing and detecting staphylococcal elastase from Staphylococcus epidermidis.
    • To establish a reliable method for routine elastase production and detection.

    Main Methods:

    • Utilized the dialysis membrane technique with brain heart infusion agar, incubated under 15% CO2 for 44 hours.
    • Developed a detection system using particulate elastin in a buffered solidified medium.
    • Investigated the effects of incubation time, calcium, and disodium ethylenediaminetetraacetic acid on enzyme detection.

    Main Results:

    • Optimal elastase production and recovery were achieved using the dialysis membrane technique with specific incubation and harvesting conditions.
    • Near-optimal production occurred by 28 hours, suitable for routine use.
    • Optimal detection methods were identified for both crude undialyzed and dialyzed elastase, depending on medium additives.

    Conclusions:

    • The study successfully defined optimal conditions for staphylococcal elastase production and detection.
    • The established methods provide a foundation for further research and application of Staphylococcus epidermidis elastase.

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