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Phage beta interaction with Vibrio cholerae.

K A Siddiqui, F K Bhattacharyya

    Journal of Medical Microbiology
    |October 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Temperate phage beta influences Vibrio cholerae serology, causing roughness and altered phage sensitivity. Some progeny became resistant to all lytic phages, impacting bacterial typing and research.

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    Area of Science:

    • Microbiology
    • Bacteriology
    • Virology

    Background:

    • Vibrio cholerae serotyping is crucial for tracking cholera outbreaks.
    • Temperate phages can alter bacterial host properties.

    Purpose of the Study:

    • To investigate the impact of temperate phage beta on Vibrio cholerae serology.
    • To determine how phage beta affects Vibrio cholerae sensitivity to lytic phages.

    Main Methods:

    • Lysogenization of Vibrio cholerae strains with temperate phage beta.
    • Serological analysis of lysogenized strains.
    • Assessment of lytic phage adsorption and sensitivity.
    • Characterization of progeny phage-resistant strains.

    Main Results:

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    • Phage beta induced a change to 'rough' serology in six host strains.
    • Lysogenization altered phage adsorption and sensitivity.
    • One progeny type from strain HP47 was resistant to all tested lytic phages.
    • Untypable lysogens were stable but could segregate to phage type 6.

    Conclusions:

    • Temperate phage beta significantly impacts Vibrio cholerae characteristics, including serology and phage resistance.
    • Phage beta can generate stable, untypable Vibrio cholerae strains, posing challenges for epidemiological surveillance.
    • Understanding phage-host interactions is vital for Vibrio cholerae research and control.