Portrait of Dr. Verena Ruprecht (IMAGE) Center for Genomic Regulation Caption Image of Dr. Verena Ruprecht, senior author of the study. Credit CRG Usage Restrictions CC BY 2.0 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.