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Observations on lysogeny in glutamic acid bacteria

J A Shapiro

    Applied and Environmental Microbiology
    |July 1, 1976
    PubMed
    Summary

    Induced lysis in glutamic acid bacteria was observed, leading to the production of phages or bacteriocins. Temperate phages were successfully isolated from Brevibacterium divaricatum strains, advancing our understanding of bacterial interactions.

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    Area of Science:

    • Microbiology
    • Bacteriology
    • Virology

    Background:

    • Glutamic acid bacteria are important in industrial fermentation.
    • Bacterial lysis can be induced by various agents.
    • Phages and bacteriocins are key players in bacterial population dynamics.

    Purpose of the Study:

    • To investigate the phenomenon of induced lysis in glutamic acid bacteria.
    • To identify the agents responsible for induced lysis.
    • To isolate and characterize phages from specific bacterial strains.

    Main Methods:

    • Induction of lysis in various glutamic acid bacteria strains.
    • Mixed culture experiments to detect lytic agents.
    • Isolation of temperate phages using standard microbiological techniques.

    Main Results:

    • Induced lysis was confirmed across multiple glutamic acid bacteria strains.
    • Mixed cultures demonstrated the production of phages or bacteriocins.
    • Temperate phages were successfully isolated from two related Brevibacterium divaricatum strains.

    Conclusions:

    • Induced lysis is a viable mechanism for phage or bacteriocin release in glutamic acid bacteria.
    • Brevibacterium divaricatum harbors temperate phages that can be isolated.
    • This study contributes to the understanding of phage biology in industrially relevant bacteria.

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