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methylation

noun — 2 senses

methylation

noun

/ˌmɛθɪˈleɪʃən/

Etymology From methyl + -ation.

1

Chemistry, Natural sciences, Physical sciences The addition of a methyl group to a molecule.

2

Biology, Genetics, Medicine, Natural sciences, Sciences The addition of a methyl group to cytosine and adenine residues in DNA that leads to the epigenetic modification of DNA and the reduction of gene expression and protein production.

Derived terms
automethylation, biomethylation, demethylation, dimethylation, hemimethylation, hydromethylation, hypermethylation, hypomethylation, methylational, mismethylation, monomethylation, multimethylation, nonmethylation, overmethylation, permethylation, remethylation, transmethylation, undermethylation, unmethylation
Related terms
ethylation, methylate

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.