Post updated 2014 January 2nd DNA methylation is a biochemical process and epigenetic modification, whereby a methyl group is added to the cytosine nucleotide (and also adenine) to form 5-methylcytosine. DNA methylation at the 5' position of cytosine has the specific effect of reducing gene transcription and typically occurs in CpG sites, which are regions of DNA where a cytosine occurs next to a
The Encyclopedia of DNA Elements (ENCODE) Consortium is an international collaboration of research groups funded by the National Human Genome Research Institute (NHGRI). The goal of ENCODE is to build a comprehensive parts list of functional elements in the human genome, including elements that act at the protein and RNA levels, and regulatory elements that control cells and circumstances in which
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