Luminous Symbionts (Red) Induce Edema-Associated Gene Expression (Green) in Adjacent Host Epithelia (IMAGE) Proceedings of the National Academy of Sciences Caption Luminous symbionts (red) induce edema-associated gene expression (green) in adjacent host epithelia (nuclei, blue). Credit Silvia Moriano-Gutierrez 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.