Pigments Produced (IMAGE) Oregon State University Caption The fungus Fusarium overproduces various pigments in concentric rings because formerly silenced genes are expressed in a kmt6 mutant. Credit (Image by Lanelle Connolly, courtesy of Oregon State University) 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.