Pathways of DNA Damage Repair (IMAGE) Osaka University Caption Two pathways of DNA damage repair. Rad51 faithfully repairs DNA damage through DNA strand exchange with intact DNA (left). Rad52 causes gross chromosomal rearrangements (GCRs) through single-strand annealing (SSA) (right). Credit Osaka University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.