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. 1986 Jan;57(1):1–6. doi: 10.1128/jvi.57.1.1-6.1986

E5 open reading frame of bovine papillomavirus type 1 encodes a transforming gene.

J T Schiller, W C Vass, K H Vousden, D R Lowy
PMCID: PMC252691  PMID: 3001335

Abstract

We have previously shown that the early region of the bovine papillomavirus type 1 genome contains two nonoverlapping segments that can independently induce the morphological transformation of cultured cells. The transforming gene from the 5' end of the early region is encoded by the E6 open reading frame. The second transforming segment was previously localized to a 2.3-kilobase fragment (2.3T) from the 3' end of the early region. To determine which of the four open reading frames (E2, E3, E4, and E5) located within 2.3T encodes a transforming gene, we have now introduced a series of insertion and deletion mutations into a clone (pHLB1) in which 2.3T is activated by the Harvey viral long terminal repeat, and we tested the mutants for their ability to induce focal transformation. Our results indicate that the E5 open reading frame, which could encode a low-molecular-weight hydrophobic peptide, is required for pHLB1-induced transformation of NIH 3T3 cells, but that the E2, E3, and E4 open reading frames are not.

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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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