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. 2022 May 27;14:200239. doi: 10.1016/j.tvr.2022.200239

Fig. 1.

Fig. 1

Similarities among small DNA tumor viruses. Viral genomes of small DNA tumor viruses classified as human tumor viruses are shown for A. high-risk human papillomavirus type 18 (HPV18) and B. Merkel cell polyomavirus isolate (MCPyV) MCC350. Early viral genes are green, late viral genes are blue, and viral oncoproteins are shown in red. C. The small DNA tumor viruses express viral early proteins that share common targets, including the tumor suppressors p53 and pRb. Ad: adenovirus; HPV: human papillomavirus; MCPyV: Merkel cell polyomavirus. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)