title: A mutant of Rous sarcoma virus with a thermolabile defect in the virus envelope.
mesh_terms: D001354:Avian Leukosis Virus; D001358:Avian Sarcoma Viruses / Q000235:genetics* / Q000254:growth & development; D002412:Cations / Q000494:pharmacology; D002472:Cell Transformation, Viral; D003637:DEAE-Dextran / Q000494:pharmacology; D005814:Genes, Viral; D006023:Glycoproteins / Q000096:biosynthesis*; D009154:Mutation; D013696:Temperature; D014721:Vesicular stomatitis Indiana virus; D014764:Viral Proteins / Q000096:biosynthesis*
chemical_list: D002412:Cations; D006023:Glycoproteins; D014764:Viral Proteins; D003637:DEAE-Dextran