Walton's Mushrooms (IMAGE) Michigan State University Caption A team of Michigan State University scientists has discovered an enzyme that is the key to the lethal potency of poisonous mushrooms. Credit G.L. Kohuth 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.