from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Modified by the addition of two methyl groups


Sorry, no etymologies found.


  • Once decarboxylated, tryptamine (step 2) is dimethylated by S-adenosyl-methionine (SAM) via nucleophilic attack.

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  • Shinkai Y, Irizarry RA, Feinberg AP (2009) Large histone H3 lysine 9 dimethylated chromatin blocks distinguish differentiated from embryonic stem cells.

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  • Once decarboxylated, tryptamine (step 2) is dimethylated by

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  • Several laboratories have long sought a soil test for arsenic, but his research team is the first to develop a procedure for isolating all the compounds of interest, including the mono - and dimethylated species in soil and accurately measuring them.


  • Lack of the dimethylated adenosines following ksgA inactivation confers resistance to kasugamycin (KSM) in E. coli.

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  • Probes for the western analyses were generated with antibodies specific for total histone H3, dimethylated H3 K36, and trimethylated H3 K36.

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  • Antibodies were used that recognized total histone H3 (1: 5,000 dilution, Abcam), dimethylated H3 K36 (1: 10,000 dilution, Upstate), and trimethylated H3 K36 (1: 10,000 dilution, Abcam).

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