Abstract
ATP-dependent nucleosome remodeling and core histone tail modifications play important roles in chromatin function. Purification and characterization of the NuRD/Mi-2 complex, which possesses both nucleosome remodeling and histone deacetylase activities, suggests that ATP-dependent nucleosome remodeling and histone tail modification can be coupled. Recent studies indicate that NuRD is an integral part of the MeCP1 complex, suggesting that nucleosome remodeling and histone deacetylation play important roles in methylated DNA silencing. Studies in Caenorhabditis elegans have revealed important functions of the NuRD complex in embryonic patterning and Ras signaling. Accumulating evidence indicates that NuRD may regulate transcription of specific genes by interacting with specific transcriptional factors. In addition, it may also participate in genome-wide transcriptional regulation through an association with histone tails.
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