Cellulase Hyperproducing Mutants Derived from the Fungus Trichoderma reesei QM9414 Produced Large Amounts of Cellulase at the Enzymatic and Transcriptional Levels
Published: February 23, 2010Received: September 08, 2009Available on J-STAGE: February 23, 2010Accepted: November 30, 2009
Advance online publication: February 07, 2010
Revised: -
Cellulase hyperproducing mutants derived from the fungus Trichoderma reesei QM9414 were analyzed. They exhibited higher filter-paper degrading activity and a lower growth rate than the wild-type QM9414 strain. Transcription of the cellobiohydrolase I and endoglucanase I genes in the mutants was also greater than that of QM9414, suggesting that cellulase hyperproduction by these mutants was regulated at the transcriptional level.
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