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  • Title: Studies on the polypeptides of poxvirus. II. Comparison of virus-induced polypeptides in cells infected with vaccinia, cowpox and Shope fibroma viruses.
    Author: Ikuta K, Miyamoto H, Kato S.
    Journal: Biken J; 1978 Sep; 21(3):77-94. PubMed ID: 219843.
    Abstract:
    Virus-induced polypeptides in cells infected with vaccinia, cowpox and Shope fibroma viruses were examined by SDS-polyacrylamide gel electrophoresis followed by autoradiography. At least 42 vaccinia virus-induced polypeptides were identified among the polypeptides of cells pulse-labeled with [35S]-methionine and/or of fractionated cells labeled with [14C]-leucine for 24 hr. They consisted of 15 polypeptides (early polypeptides) which were synthesized even in the presence of cytosine-1-beta-D-arabinofuranosyl-HCl, and 27 polypeptides (late polypeptides) which were synthesized only in the absence of cytosine-1-beta-D-arabinofuranosyl-HCl. By the same procedure at least 40 cowpox virus-induced polypeptides (14 early polypeptides and 26 late polypeptides) and at least 31 Shope fibroma virus-induced polypeptides (13 early polypeptides and 18 late polypeptides) were identified. Comparative studies of virus-induced polypeptides on the basis of migration in SDS-polyacrylamide gel electrophoresis revealed that 11 polypeptides were early polypeptides common to both vaccinia and cowpox viruses; 21 were late polypeptides common to both vaccinia and cowpox viruses; 4 were early polypeptides common to both vaccinia and Shope fibroma viruses; 7 were late polypeptides common to both vaccinia and Shope fibroma viruses; 5 were early polypeptides common to both cowpox and Shope fibroma viruses; 9 were late polypeptides common to both cowpox and Shope fibroma viruses; 4 were early polypeptides common to all three viruses; and 7 were late polypeptides common to all three viruses.
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