Biology - Fungi Speak (IMAGE) DOE/Oak Ridge National Laboratory Caption Fungi use signaling molecules called LCOs to communicate with each other and to regulate growth. Credit Jessy Labbe/ORNL, U.S. Dept. of Energy 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.