Turning Chitin into Pharmaceuticals (image) Vienna University of Technology Caption The fungus Trichoderma (top left) has been genetically modified so that it can produce valuable pharmaceuticals from chitin - a substance found in crab shells. Credit Vienna University of Technology / Creative Commons license - Hans Hillewaert. Usage Restrictions None 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.