Holliday Junction Map (IMAGE) Rice University Caption The orange wheel shows the circular chromosome or genome of E. coli bacteria. The spikes indicate where a molecular intermediate in DNA repair -- four-way DNA junctions -- accumulate near a reparable double strand break in the genome. Credit Image courtesy of Jun Xia and Qian Mei Usage Restrictions Must credit: "Jun Xia and Qian Mei" 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.