A local ATR-dependent checkpoint pathway is activated by a site-specific replication fork block in human cells
Sana Ahmed‐Seghir, Manisha Jalan, Helen E. Grimsley, Aman Sharma, Shyam Twayana, Settapong T Kosiyatrakul, Christopher M. Thompson, Carl L. Schildkraut, Simon N. Powell
The paper shows that a single replication fork barrier activates a local ATR-dependent checkpoint response in human cells, leading to localized DNA damage signaling without affecting global replication.
bioRxiv · Mar 26, 2023 · PreprintMolecular Biology