Figure 1. The Fanconi Anemia pathway and BRCA2 cooperate to promote the stability of stalled replication forks.
(A) FA proteins and BRCA2 protect stalled replication forks against degradation by stabilizing RAD51 filaments. (B) In the absence of the FA/BRCA pathway, the MRE11 nuclease degrades stalled replication forks, promoting genomic instability. (C) Fork protection in FA/BRCA pathway mutants can be rescued by stabilizing RAD51 filaments. RAD51 is represented by red dots.