DNA 1 (IMAGE) Rice University Caption Rice University researchers are leading an effort to reveal potential threats to the efficacy of CRISPR-Cas9 gene editing. From left, Julie Park, Lavanya Saxena, Mingming Cao and Gang Bao. Credit Jeff Fitlow/Rice University Usage Restrictions None License Original 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.