title: Viable polyoma virus variant with two origins of DNA replication.
mesh_terms: D000818:Animals; D002460:Cell Line; D002472:Cell Transformation, Viral; D003588:Cytopathogenic Effect, Viral; D004261:DNA Replication; D004279:DNA, Viral / Q000096:biosynthesis; D005814:Genes, Viral; D051379:Mice; D011120:Polyomavirus / Q000235:genetics* / Q000502:physiology; D051381:Rats; D014762:Viral Interference; D014779:Virus Replication
chemical_list: D004279:DNA, Viral