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2016 ; 8
(5
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English Wikipedia
Maintenance of Epigenetic Information
#MMPMID27141050
Almouzni G
; Cedar H
Cold Spring Harb Perspect Biol
2016[May]; 8
(5
): ä PMID27141050
show ga
The genome is subject to a diverse array of epigenetic modifications from DNA
methylation to histone posttranslational changes. Many of these marks are
somatically stable through cell division. This article focuses on our knowledge
of the mechanisms governing the inheritance of epigenetic marks, particularly,
repressive ones, when the DNA and chromatin template are duplicated in S phase.
This involves the action of histone chaperones, nucleosome-remodeling enzymes,
histone and DNA methylation binding proteins, and chromatin-modifying enzymes.
Last, the timing of DNA replication is discussed, including the question of
whether this constitutes an epigenetic mark that facilitates the propagation of
epigenetic marks.