Bleomycin Induced Double Strand DNA (IMAGE) Arizona State University Caption Figure 1: Bleomycin induced double strand DNA lesion progresses through a series of events, such as primary strand scission by Fe(II).BLM at the recognition site, reactivation followed by a secondary scission on the opposing strand of duplex DNA. Credit The Biodesign Institute at Arizona State 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.