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[Lysogeny in Pasteurella multocida]

L Karaivanov

    Veterinarno-Meditsinski Nauki
    |January 1, 1976
    PubMed
    Summary

    Researchers identified lysogenic Pasteurella multocida strains, isolating 12 bacteriophage strains. These phages were grouped and stabilized for further study, aiding in Pasteurella multocida research.

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    Veterinarno-meditsinski nauki·1983

    Area of Science:

    • Microbiology
    • Virology
    • Bacteriology

    Context:

    • Investigated lysogeny in 59 Pasteurella multocida strains from Bulgaria, Cuba, and Czechoslovakia.
    • Lysogeny, the ability to produce lysis-inducing factors, is a key characteristic in bacterial-phage interactions.

    Purpose:

    • To determine the prevalence of lysogenic Pasteurella multocida strains in geographically diverse isolates.
    • To isolate and characterize bacteriophages associated with Pasteurella multocida.
    • To establish a phage typing system for Pasteurella multocida based on host-phage interactions.

    Summary:

    • Eleven of the 59 Pasteurella multocida strains were found to be lysogenic, yielding a total of 12 distinct bacteriophage strains.
    • Three indicator strains (Pasteurella multocida-97, SHD, R-II) were utilized to isolate three distinct groups of P. multocida phages.
    • Isolated phages were stabilized, amplified to 10(11) particles/cc, and stored at 4°C. Phages were classified into three groups based on their host strain for multiplication.

    Impact:

    • Provides a foundation for phage typing of Pasteurella multocida, crucial for epidemiological studies and strain differentiation.
    • Demonstrates the potential for developing phage-based tools for Pasteurella multocida research and diagnostics.
    • Highlights the genetic diversity of bacteriophages associated with Pasteurella multocida across different geographical regions.

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