Coral research breakthrough (IMAGE) Carnegie Institution for Science Caption The soft coral Xenia growing in the Carnegie coral research facility. Researchers used it to reveal the type of cell that enables a soft coral to recognize and take up the photosynthetic algae with which it maintains a symbiotic relationship, as well as the genes responsible for this transaction. 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.