 The discovery and development of novel plant cell wall degrading enzymes is a key step towards more efficient depolymerization of polysaccharides for the production of liquid transportation biofuels and other bioproducts. The industrial fungus trichoderma reesee is known to be highly cellular lytic and is a major industrial microbial source for commercial cellulases and xylonases. This article was authored by Bergstrom Gary C, Walker Larry P, Nemi Nicholas V and others.