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Propionicins, bacteriocins produced by Propionibacterium avidum

H L Ko, G Pulverer, J Jeljaszewicz

    Zentralblatt Fur Bakteriologie, Parasitenkunde, Infektionskrankheiten Und Hygiene. Erste Abteilung Originale. Reihe A: Medizinische Mikrobiologie Und Parasitologie
    |September 1, 1978
    PubMed
    Summary
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    Propionibacterium avidum produces bacteriocins, named propionicins, that inhibit other Propionibacterium strains. This discovery offers potential for new antimicrobial strategies against these bacteria.

    Area of Science:

    • Microbiology
    • Bacteriology

    Background:

    • Propionibacterium species are common skin commensals.
    • Some Propionibacterium strains can cause infections.

    Purpose of the Study:

    • To investigate the antimicrobial activity of Propionibacterium avidum bacteriocins.
    • To determine the susceptibility of Propionibacterium acnes, granulosum, and avidum to these bacteriocins.

    Main Methods:

    • Extracellular bacteriocins were produced by eight Propionibacterium avidum strains.
    • One hundred strains of Propionibacterium acnes, granulosum, and avidum were tested for susceptibility.

    Main Results:

    • Bacteriocin-producing Propionibacterium avidum strains exhibited inhibitory activity.
    • Some strains showed inhibition against all tested Propionibacterium species.

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    Conclusions:

    • Propionibacterium avidum produces bacteriocins, proposed to be named propionicins.
    • These propionicins demonstrate broad-spectrum activity against Propionibacterium species, suggesting potential therapeutic applications.