Burning Bush Seed Enzyme (image) Kansas State University Caption This is a magnification of a burning bush seed that supplied the enzyme acTAG. The enzyme enabled researchers to engineer plants that emitted sex pheromones that mimic those naturally produced by two species of moths. Credit Timothy Durrett Usage Restrictions None 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.