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    J Virol. 1988 Jan;62(1):354-6.

    Quantitative basic residue requirements in the cleavage-activation site of the fusion glycoprotein as a determinant of virulence for Newcastle disease virus.

    Source

    Department of Molecular Genetics and Microbiology, University of Massachusetts Medical School, Worcester 01605.

    Abstract

    Newcastle disease virus exhibits a wide range of pathogenicity and virulence which, as with all paramyxoviruses, is directly related to the cleavability of a precursor (F0) of the fusion glycoprotein by cellular proteases. Sequence analyses of the cleavage site of several virulent and avirulent isolates of the Newcastle disease virus serotype reveal a correlation between virulence or pathogenicity and a high content of basic amino acid residues at the cleavage site. A similar correlation has been seen for other paramyxoviruses.

    PMID:
    3275436
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC250538
    Free PMC Article

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