Cellulose Test Tubes (IMAGE) University of Wisconsin-Madison Caption Researchers tried to grow different strains of Streptomyces bacteria on dead plant material (in this case, filter paper). Successful cellulose processing strains tapped special genes to produce enzymes that break down cellulose. Credit Image courtesy UW-Madison/Currie Lab 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.