Small DNA tumor viruses such as SV40 and HPV have viral oncogenes that are not homologs of host cell genes.Some of these novel viral oncogenes make proteins that exert their tumorigenic effect by

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Small DNA tumor viruses such as SV40 and HPV have viral oncogenes that code for proteins that bind to and inactivate pRB, a tumor suppressor protein, leading to uncontrolled cell proliferation and ultimately tumorigenesis.

Small DNA Tumor Viruses Such as SV40 and HPV Have