Abstract:
:Nucleotide variants, especially those related to epigenetic functions, provide critical regulatory information beyond simple genomic sequence, and they define cell status in higher organisms. 5-Methylcytosine, which is found in DNA, was until recently the only nucleotide variant studied in terms of epigenetics in eukaryotes. However, 5-methylcytosine has turned out to be just one component of a dynamic DNA epigenetic regulatory network that also includes 5-hydroxymethylcytosine, 5-formylcytosine and 5-carboxylcytosine. Recently, reversible methylation of N6-methyladenosine in RNA has also been demonstrated. The discovery of these new nucleotide variants triggered an explosion of new information in the epigenetics field. This rapid research progress has benefited significantly from timely developments of new technologies that specifically recognize, enrich and sequence nucleotide modifications, as evidenced by the wide application of the bisulfite sequencing of 5-methylcytosine and very recent modifications of bisulfite sequencing to resolve 5-hydroxymethylcytosine from 5-methylcytosine with base-resolution information.
journal_name
Nat Biotechnoljournal_title
Nature biotechnologyauthors
Song CX,Yi C,He Cdoi
10.1038/nbt.2398subject
Has Abstractpub_date
2012-11-01 00:00:00pages
1107-16issue
11eissn
1087-0156issn
1546-1696pii
nbt.2398journal_volume
30pub_type
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