Papova Virus Group

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Science  30 Mar 1962:
Vol. 135, Issue 3509, pp. 1128-1130
DOI: 10.1126/science.135.3509.1128


The papilloma, polyoma, and vacuolating agents seem to form a natural group of tumor viruses, for which the name papova virus group is proposed. Members of the group have the following properties: 45 mµ diameter, deoxyribonucleic acid core, 42 capsomeres, absence of essential lipids, thermal resistance, slow growth cycle with multiplication within the cell nucleus, and tumorigenicity.