All articles tagged with #rad51
Researchers show that all five RAD51 paralogs can assemble into two distinct, ATP-dependent assemblies: a BCDX2-CX3 loader that templates RAD51 filament formation on ssDNA, and a RAD51B-independent DX2-CX3 anchor that caps and stabilizes the filament; together, these modular assemblies define loader vs. anchor roles in homologous recombination and illuminate disease-causing mutations.
Researchers at the Spanish National Cancer Research Centre have discovered a protein, RAD51, that prevents DNA from being over-replicated, which could lead to cancer. This newly identified anti-failure mechanism ensures that DNA is copied only once, reducing the risk of oncogenes being amplified and preventing DNA damage. RAD51 acts as a physical impediment to the reactivation of the copying process, restricting DNA over-replication from re-activated origins. This finding sheds light on the molecular mechanisms that protect against errors in DNA replication and could have implications for cancer prevention.