Mutagenicity of 5-formylcytosine, an oxidation product of 5-methylcytosine, in DNA in mammalian cells.

Abstract excerpt

To examine the mutagenicity of 5-formylcytosine (5-fC), an oxidation product of 5-methylcytosine (5-mC), 5-fC was incorporated into predetermined sites of double-stranded shuttle vectors. The nucleotide sequences in which the modified base was incorporated were 5'-AFGCGT-3' and 5'-ACGFGT-3' (F represents 5-fC), the recognition site for the restriction enzyme MluI (5'-ACGCGT-3'). 5-fC was incorporated into the...

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