Cell Carrying RNA-targeted Cas9 System (image) Cell Press Share Print E-Mail Caption This image shows a cell carrying an RNA-targeted Cas9 system that reveals the distribution of beta actin mRNA in the cytoplasm. Credit Courtesy of David Nelles of the University of California, San Diego. Usage Restrictions Credit Required. Share Print E-Mail 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.