Super Yeast (IMAGE) University of Wisconsin-Madison Caption Proteins that remove toxic liquids used in biofuel production appear glowing in the walls of yeast cells (right) with a slight change to a pair of genes missing from yeast (left) that are sensitive to ionic liquids. Credit Trey Sato 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.