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[Isolation, selection and characteristics of Pasteurella multocida]

L Karaivanov

    Veterinarno-Meditsinski Nauki
    |January 1, 1982
    PubMed
    Summary

    Researchers isolated 14 new bacteriophages targeting Pasteurella multocida (P. multocida). These novel phages, belonging to a common serologic group, show potential for P. multocida phage typing and diagnostics.

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    Veterinarno-meditsinski nauki·1983

    Area of Science:

    • Microbiology
    • Virology
    • Bacteriology

    Context:

    • Pasteurella multocida (P. multocida) is a significant bacterial pathogen causing various diseases in animals and humans.
    • Bacteriophages, viruses that infect bacteria, are increasingly explored for their potential in diagnostics and therapeutics.
    • Lysogenic P. multocida strains and existing bacteriophages served as starting points for isolating new phage variants.

    Purpose:

    • To isolate and characterize novel bacteriophages targeting P. multocida.
    • To investigate the serological relationships and stability of newly isolated phages.
    • To assess the potential of these phages for P. multocida phage typing.

    Summary:

    • Fourteen new P. multocida bacteriophages were successfully isolated through spontaneous mutation and selection from existing phage-resistant strains.
    • The newly isolated phages were characterized, with ten belonging to a common serologic group (IVth group) and exhibiting stability under various chemical and pH conditions.
    • Phages AY and VL showed stability to chemicals and sodium citrate, while tetracycline inactivated 50% of them. Bacteriophages 10 and 3/10 survived at pH 9 and 11.

    Impact:

    • The study expands the repertoire of P. multocida bacteriophages available for research and diagnostics.
    • The characterized phages, particularly those in the IVth serologic group, offer a foundation for developing improved phage typing strategies for P. multocida.
    • Understanding phage mutation and characterization is crucial for advancing phage-based applications in veterinary microbiology and disease control.

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