The script also merges methylation counts, in that it sums counts for both the cytosine and the guanine of each CpG site (this occurs when reads ... These are the lists of samples for each group ...

By attaching methyl groups to certain DNA bases ... with 5-methylcytosine (5mC), a derivative of the DNA nucleic base cytosine. In addition, they not only use a universal single-stranded DNA ...

While previous studies hypothesized that the methyl group in question came from methyltetrahydrofolate, a common methyl donor in cellular reactions, the new study finds that it was donated by SAM ...