title: A replication defective mutant of Rous sarcoma virus which fails to make a functional reverse transcriptase.
mesh_terms: D000818:Animals; D001358:Avian Sarcoma Viruses / Q000201:enzymology / Q000254:growth & development; D002250:Carbon Radioisotopes; D002459:Cell Fusion; D002460:Cell Line; D002642:Chick Embryo; D003673:Defective Viruses / Q000201:enzymology / Q000254:growth & development; D005816:Genetic Complementation Test; D008040:Genetic Linkage; D009154:Mutation; D010222:Parainfluenza Virus 1, Human; D012194:RNA-Directed DNA Polymerase / Q000096:biosynthesis*; D011995:Recombination, Genetic; D013696:Temperature; D014316:Tritium; D014779:Virus Replication
chemical_list: D002250:Carbon Radioisotopes; D014316:Tritium; D012194:RNA-Directed DNA Polymerase