Outside-in progression of heterochromatin replication and exclusion of CDC45 from the PCH domain in Drosophila
Heterochromatin replication isn't random or uniform, but occurs in a characteristic spatial and temporal pattern. Previous studies produced conflicting models for pericentric heterochromatin (PCH) replication, suggesting either that heterochromatic sequences translocate to the domain surface for replication, or that replication can also occur internally through localized decondensation. To…
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