Chromatin proteomics and epigenetic regulatory circuits

Expert Review of Proteomics, 2008, 5 No. 1, 105-19 published on 01.02.2008
Expert Reviews, online article
Many phenotypic changes of eukaryotic cells due to changes in gene expression depend on alterations in chromatin structure. Processes involved in the alteration of chromatin are diverse and include post-translational modifications of histone proteins, incorporation of specific histone variants, methylation of DNA and ATP-dependent chromatin remodeling. Interconnected with these processes are the localization of chromatin domains within the nuclear architecture and the appearance of various classes of noncoding regulatory RNAs. Recent experiments underscore the role of these processes in influencing diverse biological functions. However, the evidence to date implies the importance of an interplay of all these chromatin-changing functions, generating an epigenetic regulatory circuit that is still not well understood.

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