A New Way to Use CRISPR (IMAGE) University of Delaware Caption Wilfred Chen (left), the University of Delaware Gore Professor of Chemical Engineering, and graduate student Ka-Hei Siu designed structures for targeted gene regulation in E. coli bacteria. Credit Photo by Kathy F. Atkinson 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.