Chytrid Fungus Interacts with Viscosin (IMAGE) Smithsonian Tropical Research Institute Caption The compound viscosin, produced by bacterium Pseudomonas cichorii, displays significant activity against the chytrid fungus, which has severely affected amphibian populations worldwide. Credit Christian Martin 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.