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The structural components of hog cholera virus.

P J Enzmann, H Rehberg

    Zeitschrift Fur Naturforschung. Section C, Biosciences
    |May 1, 1977
    PubMed
    Summary

    Hog cholera virus structural proteins were identified using [35S]methionine and [3H]uridine labeling. Molecular weights of viral RNA and three polypeptides were determined, aiding in understanding virus structure.

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    Area of Science:

    • Virology
    • Molecular Biology
    • Biochemistry

    Background:

    • Hog cholera virus (HCV) is a significant pathogen affecting swine populations worldwide.
    • Understanding the molecular composition of HCV is crucial for developing effective control strategies.
    • Previous characterization of HCV structural proteins and RNA was limited.

    Purpose of the Study:

    • To characterize the structural proteins of hog cholera virus.
    • To determine the molecular weight of the viral RNA.
    • To provide foundational data for further HCV research.

    Main Methods:

    • Hog cholera virus was propagated in PK-15 and SK-cell lines.
    • Viral proteins and RNA were labeled using [35S]methionine and [3H]uridine, respectively.
    • Polyacrylamide gel electrophoresis (PAGE) and sucrose gradient centrifugation were employed for analysis.

    Main Results:

    • Three major viral polypeptides were resolved by SDS-PAGE with molecular weights of 55,000 (p55), 46,000 (gp46), and 36,000 (p36).
    • The molecular weight of the viral RNA was determined to be approximately 4 x 10^6 Da using PAGE.
    • Viral RNA exhibited a sedimentation coefficient (S20,w) of 40-45S in sucrose gradients.

    Conclusions:

    • The study successfully identified and characterized the primary structural proteins of hog cholera virus.
    • The molecular weight and sedimentation properties of HCV RNA were established.
    • These findings contribute essential molecular data for the study of hog cholera virus.

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