carcinogens : 7,12-dimethylbenz ( a ) anthracene ( dmba ) , 2-acetylaminofluorene ( aaf ) , 3-methylcholanthrene ( mc ) , daunorubicin , thio-tepa , cyclophosphamide , 1- ( 2-chloroethyl ) 2-cyclohexyl-1-nitrosourea ( ccnu ) and mitomycin c , which mutate salmonella typhimurium tester strains in the salmonella/microsome mutagenicity test , strongly stimulate the in vitro synthesis of dna isolated from his- mutants ( ta-1538 , ta-1537 , ta-1535 ) , and induce in vitro his- dna strand separation .
C0598312
synthesis
C0012854
dna