Abstract

A novel gene, EG encoding enzymes involved in carboxymethyl cellulose (CMC) degradation was isolated, sequenced from the filamentous fungus Rhizopus stolonifer var. reflexus TP-02, and expressed in Escherichia coli BL21. The results showed that the gene amplified from the cDNA of the strain could be classified as the family of endoglucanase. During the fermentation process, the maximum endoglucanase activity (i.e. 0.715 IU/ml) of the recombinant bacteria was obtained at 36 h. The SDS–PAGE analysis on purified samples showed that a band with apparent molecular weight of about 40 kDa was detected after staining with Coomassie brilliant blue.

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