Anti-fungal tolerance assay (IMAGE) The Francis Crick Institute Caption Anti-fungal tolerance assay, showing microbial colonies growing inside the growth inhibitory zone (white disk in the middle contains the drug which dissipates in a radial gradient). Credit Clara Correia Melo Usage Restrictions Use with credit License Original 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.