the viral dna sequences in mouse c127 cells transformed by bovine papillomavirus type 1 ( bpv-1 ) virions , by full-length linear bpv-1 dna , or by a defined transforming subgenomic dna segment of bpv-1 were examined by reassociation kinetics and blot hybridization .
C0012939
viral dna
C0012854
dna