How coral let symbiotic algae in (VIDEO) Carnegie Institution for Science 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 Building on Carnegie biologists' long-standing tradition of model organism development, Department of Embryology researchers set out to use the pulsing, feathery, lavender-colored soft coral Xenia to reveal the cell types and pathways that orchestrate the symbiotic relationship between a coral and its preferred species of algae. This knowledge can be applied to increase our understanding of other coral species and allow for further research into how these fragile ecosystems are threatened by warming oceans. Credit Carnegie Embryology Usage Restrictions With credit 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.