Aiptasia (IMAGE) Heidelberg University Caption Symbiotic sea anemone of the species Exaiptasia diaphana. Using this model system, cell biologists from Heidelberg University were able to demonstrate that intracellular symbioses between corals and microalgae of the dinoflagellate group depend on the ability of the algae to suppress the immune system of their host cell. Credit Natascha Bechtoldt Usage Restrictions This image may be used only in connection with the contents of this press release, and the source of the image must also be cited. 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.