Production of rice straw hydrolysis enzymes by the fungi Trichoderma reesei and Humicola insolens using rice straw as a carbon source.

•Rice straw is a viable carbon source for fungal production of rice straw cellulases.•T. reesei and H. insolens enzymes synergistically enhanced rice straw degradation.•NH4OH-treated rice straw in the culture medium improved T. reesei enzyme activity.