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| Name = Flavonoid 4'-O-methyltransferase ...| title = Regiospecific methylation of naringenin to ponciretin by soybean O-methyltransferase expressed in Escherichia coli | journal = Journal of Biot ...

| Name = Tricetin 3',4',5'-O-trimethyltransferase ...RK | title = Biochemical characterization of a putative wheat caffeic acid O-methyltransferase | journal = Plant Physiology and Biochemistry | volume = ...

...the Escherichia coli UbiG polypeptide: evidence that UbiG catalyzes both O-methylation steps in ubiquinone biosynthesis | journal = Biochemistry | volume = 35 | i UbiG catalyses both [[methylation]] steps in [[ubiquinone]] biosynthesis in ''[[Escherichia coli]]''. ...

| Name = TRNASer (uridine⁴⁴-2'-O)-methyltransferase ...Grayhack EJ, Phizicky EM | title = Identification of yeast tRNA Um(44) 2'-O-methyltransferase (Trm44) and demonstration of a Trm44 role in sustaining l ...

| Name = 16S rRNA (cytidine¹⁴⁰²-2'-O)-methyltransferase ...atic name]] ''S-adenosyl-L-methionine:16S rRNA (cytidine¹⁴⁰²-2'-O)-methyltransferase''.<ref>{{cite journal | vauthors = Kimura S, Suzuki T | ...

| Name = 23S rRNA (uridine2552-2'-O)-methyltransferase ...aker BL, Zheng F, Kushner SR, Saper MA, Bardwell JC, Jakob U | title = RNA methylation under heat shock control | journal = Molecular Cell | volume = 6 | issue = ...

| Name = 21S rRNA (uridine2791-2'-O)-methyltransferase ...matic name]] ''S-adenosyl-L-methionine:21S rRNA (uridine²⁷⁹¹-2'-O-)-methyltransferase''.<ref>{{cite journal | vauthors = Pintard L, Bujnicki ...

| Name = tRNA (cytidine³⁴-2'-O)-methyltransferase ...llarroya M, Douthwaite S, Gabaldón T, Armengod ME | title = YibK is the 2'-O-methyltransferase TrmL that modifies the wobble nucleotide in Escherichia c ...

...-007-0646-4}}</ref><ref>{{cite journal | title = Characterization of two ''O''-methyltransferase-like genes in barley and maize |vauthors = Zhou JM, Fuk ...<math>\rightleftharpoons</math> 2 [[S-adenosyl-L-homocysteine]] + [[3',5'-O-dimethyltricetin]] (overall reaction) ...

| Name = tRNA (cytidine56-2'-O)-methyltransferase ...mutational study of a unique SpoU family archaeal methylase that forms 2'-O-methylcytidine at position 56 of tRNA | journal = Journal of Molecular Biol ...

| Name = 27S pre-rRNA (guanosine²⁹²²-2'-O)-methyltransferase ...al redundancy of Spb1p and a snR52-dependent mechanism for the 2'-O-ribose methylation of a conserved rRNA position in yeast | journal = Molecular Cell | volume = ...

| Name = 23S rRNA (guanosine²²⁵¹-2'-O)-methyltransferase ...tic name]] ''S-adenosyl-L-methionine:23S rRNA (guanosine²²⁵¹-2'-O-)-methyltransferase''.<ref>{{cite journal | vauthors = Lövgren JM, Wikström ...

...eukaryotic ribosome biogenesis, as an essential assembly factor and in the methylation of Ψ1191 in yeast 18S rRNA | journal = Nucleic Acids Research | volume = 39 ...eukaryotic ribosome biogenesis, as an essential assembly factor and in the methylation of Psi 1191 in yeast 18S rRNA |journal=Nucleic Acids Res |date=2011 |volume ...

...oi = 10.1016/0300-9084(94)90040-x }}</ref><ref>{{cite journal | vauthors = O'Farrell HC, Scarsdale JN, Rife JP | title = Crystal structure of KsgA, a un ...

...]] cell. Generally, ionizing radiation appears to reduce [[DNA methylation|methylation]] of [[DNA]] in cells.<ref name=":3">{{Cite journal|last1=Kim|first1=Joong- ...e in the risk of developing cancer. This is primarily due to the decreased methylation of cell cycle genes, such as those relating to [[apoptosis]] and [[DNA repa ...

...lar Deconvolution Pipeline. All methods require the gene expression or DNA methylation profiles of each subject in the study using high-throughput technologies an ...nce TA, Kelsey KT, Marsit CJ | title = Reference-free deconvolution of DNA methylation data and mediation by cell composition effects | journal = BMC Bioinformati ...

...rbonyl compound ([[Mannich base]]). The Mannich base is then subjected to methylation or N-oxidation to give a [[Quaternary ammonium cation|trimethylammonium sal ...em>RC(=O)CH2R' -> RC(=O) CH(CH2NMe2)R' -> [RC(=O) CH(CH2NMe3)R']+I- -> RC(=O) C(=CH2)(R')</chem> ...

...f>{{Cite journal |last1=Malfait |first1=Nicole |last2=Ramsay |first2=James O. |date=2003 |title=The Historical Functional Linear Model |journal=The Cana ...terval <math>\mathcal{I}</math>.<ref>{{Cite journal|last1=Ramsay|first1=J. O.|last2=Silverman|first2=B. W.|date=2005|title=Functional Data Analysis|url= ...

...had been [[gene expression|overexpressed]], that the complete sequence of methylation and other steps could be determined, thus fully establishing all the interm ...rphyrinogen-III C-methyltransferase|CobA]] [[catalysis|catalyses]] two [[methylation]]s, to give [[Dihydrosirohydrochlorin|precorrin-2]]:<ref>{{cite journal |do ...

As a [[methyl]] donor SAM allows [[DNA methylation]]. Once DNA is methylated, it switches the genes off and therefore, S-adeno : ATP + L-[[methionine]] + H₂O <math>\rightleftharpoons</math> [[phosphate]] + [[diphosphate]] + [[S-adeno ...