A Touch of ERoS (VIDEO) Harvard Medical School This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption New research reveals that an enzyme secreted by a marine bacterium causes single-celled organisms closely related to animals to cluster and mate. Credit Arielle Woznica/King lab 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.