T. reesei hyphae microscopy (image) DOE/Joint Genome Institute Caption Microscope image of T. reesei hyphae with vesicle membranes stained red and cell wall chitin in blue,. Credit Courtesy of Mari Valkonen, VTT Finland. Usage Restrictions must acknowledge source 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.