Lignocellulolytic enzyme production on pretreated poplar wood by filamentous fungi |
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Authors: | Szakacs G Tengerdy RP |
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Institution: | (1) Department of Agricultural Chemical Technology, Technical University of Budapest, HU, 1521, Hungary;(2) Department of Microbiology, Colorado State University, Fort Collins, CO 80523, USA |
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Abstract: | Gliocladium sp. TUB F-498, a wild strain of a lignocellulolytic fungus with a fast growth rate and enzyme production rate was selected as a potential in situ enzyme source for the bioprocessing of pretreated poplar wood (PPW) to ethanol in a simultaneous saccharification and fermentation process. TUB F-498 produced 77 filter paper units of cellulase activity and 246 IU of -glucosidase activity per g dry weight of substrate utilized, as compared with the highly successful mutant reference strain Trichoderma reesei Rut-C30, which produced 100 filter paper units and 92 IU per g dry weight substrate in a stirred-tank fermentation. TUB F-498 also produced more xylanase and endoglucanase activity than Rut-C30 on PPW in shake-flask fermentations. |
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Keywords: | Cellulase filamentous fungi -glucosidase" target="_blank">gif" alt="beta" align="MIDDLE" BORDER="0">-glucosidase submerged fermentation pretreated poplar wood |
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