NIH R01 · 2025
Replication fork dynamics and repair by Rad51 paralogs after DNA alkylation
Project Summary Misrepair of DNA damage is a hallmark of cancer. We discovered that the budding yeast Shu complex is a conserved regulator of DNA repair through a central role in Rad51 regulation. Rad51 functions during the high fidelity homologous recombination pathway to find and invade a homologous template for repair and also during replication fork protection and restart. Rad51 is tightly regulated in cells by accessory proteins, collectively called the Rad51 mediators, including the Shu complex. In humans, misregulation of hRAD51 or its mediators is associated with cancer predisposition (particularly breast and ovarian cancers) and Fanconi anemia, which is also characterized by anemia…
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