DDX3X regulates DNA repair pathway choice at double-strand breaks via RNA-DNA hybrid formation.
DNA Double-strand breaks (DSBs) are amongst the most cytotoxic DNA lesions. During the processing of DSBs, so-called Break-Induced RNA-DNA Hybrids (BIRDHs) are generated to promote timely DSB repair. Here, we identify the DEAD-box helicase DDX3X as a positive regulator of BIRDHs and a key factor in facilitating DSB rep...