Some articles on methylation cycle, cycle:
... Another hypothesis is that copper deficiency myelopathy is caused by disruptions in the methylation cycle ... The methylation cycle causes a transfer of a methyl group (-CH3) from methyltetrahydrofolate to a range of macromolecules by the suspected copper dependent enzyme methionine synthase ... This cycle is able to produce purines, which are a component of DNA nucleotide bases, and also myelin proteins ...
Famous quotes containing the word cycle:
“The cycle of the machine is now coming to an end. Man has learned much in the hard discipline and the shrewd, unflinching grasp of practical possibilities that the machine has provided in the last three centuries: but we can no more continue to live in the world of the machine than we could live successfully on the barren surface of the moon.”
—Lewis Mumford (18951990)