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. 1981 Sep;39(3):945–949. doi: 10.1128/jvi.39.3.945-949.1981

Unintegrated viral DNA sequences in a hamster tumor induced by bovine papilloma virus.

M H Moar, M S Campo, H M Laird, W F Jarrett
PMCID: PMC171328  PMID: 6270360

Abstract

A fibrosarcoma was induced in a hamster by bovine papilloma virus type 2 (BPV2). The content of BPV2 DNA sequences was measured by DNA-DNA and cRNA-DNA hybridizations. The tumor contained approximately 300 BPV2 genome equivalents per cell. Southern blot hybridization indicated that the viral DNA was in free form, the entire genome most likely being present. In situ hybridization with BPV2 cRNA showed that multiple genome copies were present in each cell. Neither virus particles nor virus coat antigens could be detected in the tumor. A cell line was established from the fibrosarcoma, and the cells contained multiple copies of the BPV2 genome. The latter was in free form, and all of the DNA sequences appeared to be present in multiple copies and in all cells. An extensive search failed to reveal the presence of virus or viral antigens.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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