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β-Glucosidase: microbial production and effect on enzymatic hydrolysis of cellulose

D. Sternberg·P. Vuayakumar·Elwyn T. Reese
Canadian Journal of Microbiology1977

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Abstract & Overview

The enzymatic conversion of cellulose is catalyzed by a multiple enzyme system. The Trichoderma enzyme system has been studied extensively and has insufficient beta-glucosidase (EC 3.2.1.21) activity for the practical saccharification of celluose. The black aspergilli (A. niger and A. phoenicis) were superior producers of beta-glucosidase and a method for production of this enzyme in liquid culture is presented. When Trichoderma cellulase preparations are supplemented with beta-glucosidase from Aspergillus during practical saccharifications, glucose is the predominant product and the rate of saccharification is significantly increased. The stimulatory effect of beta-glucosidase appears to be due to the removal of inhibitory levels of cellobiose.

Cite this record

D. Sternberg, P. Vuayakumar, Elwyn T. Reese (1977). β-Glucosidase: microbial production and effect on enzymatic hydrolysis of cellulose. Canadian Journal of Microbiology, 23(2), 139–147. https://doi.org/10.1139/m77-020

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Sternberg, D., Vuayakumar, P., & Reese, E. T. (1977). β-Glucosidase: microbial production and effect on enzymatic hydrolysis of cellulose. Canadian Journal of Microbiology, 23(2), 139–147. https://doi.org/10.1139/m77-020
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