Synergistic activity of Paenibacillus sp. BP-23 cellobiohydrolase Cel48C in association with the contiguous endoglucanase Cel9B and with endo- or exo-acting glucanases from Thermobifida fusca

Biotechnology and Bioengineering
Marta M SánchezPilar Diaz

Abstract

Cellobiohydrolase Cel48C from Paenibacillus sp. BP-23, an enzyme displaying limited activity on most cellulosic substrates, was assayed for activity in the presence of other bacterial endo- or exocellulases. Significant enhanced activity was observed when Cel48C was incubated in the presence of Paenibacillus sp. BP-23 endoglucanase Cel9B or Thermobifida fusca cellulases Cel6A and Cel6B, indicating that Cel48C acts synergistically with them. Maximum synergism rates on bacterial microcrystalline cellulose or filter paper were obtained with a mixture of Paenibacillus cellulases Cel9B and Cel48C, accompanied by T. fusca exocellulase Cel6B. Synergism was also observed in cell extracts from recombinant clone E. coli pUCel9-Cel48 expressing the two contiguous Paenibacillus cellulases Cel9B and Cel48C. The enhanced cellulolytic activity displayed by the cellulase mixtures assayed could be used as an efficient tool for biotechnological applications like pulp and paper manufacturing.

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Citations

Dec 4, 2009·Applied Microbiology and Biotechnology·Alina Iulia ChiriacF I Javier Pastor
May 6, 2008·Antonie van Leeuwenhoek·Pere PicartF I Javier Pastor
Oct 26, 2010·Applied Biochemistry and Biotechnology·Zeng-Xiang LinHe Huang
Mar 30, 2013·Critical Reviews in Microbiology·Eva Maria Gomez del Pulgar, Anas Saadeddin
Jan 26, 2017·Applied Microbiology and Biotechnology·Liliana Cerda-MejíaF I Javier Pastor

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