Restriction enzyme sites on the avian RNA tumor virus genome

Full-size single-stranded DNA transcripts of the avian RNA tumor virus genome were isolated from the products of the endogenous reaction of detergent-disrupted avian sarcoma virus particles. These transcripts were converted with Escherichia coli DNA polymerase I and 32P-labeled nucleoside triphosphates into labeled double-stranded DNA. The latter DNA was used to map the sites of action of seven restriction enzymes (Pvu I, Hpa I, Kpn I, Xba I, EcoRI, HindIII, and Xho I) on the genome of three strains of avian sarcoma virus (Prague B, Prague C, and Bratislava 77).