Drug Resistant 'Epimutants' (IMAGE) Duke University Caption This image depicts drug resistant 'epimutants' emerging from a drug sensitive yeast colony. Credit Soo Chan Lee Usage Restrictions Please give credit. 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.