Presence in murine sarcoma virus stocks of a 3d component which alone initiates cellular conversion.
D000818:Animals; D002471:Cell Transformation, Neoplastic; D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D004622:Embryo, Mammalian / Q000166:cytology; D006378:Helper Viruses; D051379:Mice; D008979:Moloney murine leukemia virus; D012513:Sarcoma, Experimental / Q000209:etiology*