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  • Title: Polyoma virus strain with enhanced synthesis of capsid protein.
    Author: Tachovsky TG, Hare JD.
    Journal: J Virol; 1975 Jul; 16(1):116-22. PubMed ID: 166199.
    Abstract:
    A study of the immunochemical characteristics and the synthesis of the capsid proteins of two polyoma virus strains (3049 and 1pS) was carried out to determine the mechanism responsible for the unique accumulation of those structural polypeptides in the cytoplasm of cells infected with the 3049 strain. Antisera prepared against disaggregated virus peptides and whole virus were used to measure the quantity of virus-specific antigens in cells infected by the two strains by using an indirect radioimmunoassay technique. The 3049-infected mouse embryo cells were found to contain several-fold more antibody-binding material than those infected with the 1pS strain. Furthermore, the cytoplasmic fraction of 3049-infected cells also contained more antibody-binding activity, supporting the hypothesis that the phenotype of the 3049 virus (cytoplasmic capsid protein) was a reflection of the increased synthesis of the capsid polypeptides.
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