Reshaping Chromatin Architecture around DNA Breaks
2019
DNA double-strand breaks (DSBs) elicit major chromatin changes. Using super-resolution microscopy in human cells, Ochs et al. unveil that the DSB response protein 53BP1 and its effector RIF1 organize DSB-flanking chromatin into circular micro-domains. These structures control the spatial distribution of DSB repair factors safeguarding genome integrity.
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