Abstract
DNA replication and repair involve the deposition of newly synthesized histones. After their deposition on a specific locus, histones are extensively modified on their protruding N-terminal tails to restore the histone code corresponding to this locus. These processes require a complex machinery of histone chaperones and histone-modifying enzymes. The precise kinetics of these events and the identity of the factors involved are still not clear. Here we present a technique based on transient expression of tagged histones followed by chromatin immunoprecipitation that allows the detection of newly synthesized histone deposition on specific DNA elements in mammalian cells at high resolution. This strategy could have important applications in chromatin dynamic studies.
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