Chapter 9

Enzymes for Cellulosic Biomass Conversion

Takashi Tonozuka, Makoto Yoshida and Michio Takeuchi


Cellulose is one of the most abundant biomass resources on earth. The enzymatic degradation of cellulosic biomass is a key technology for producing cost-effective bioethanol. This chapter provides an introduction to the structure and function of cellulases and related enzymes. A filamentous fungus, Trichoderma reesei, is the most used microorganism in industry as a source of cellulolytic enzymes, and two major cellulases, Cel6A and Cel7A, from T. reesei have been extensively studied. Some other enzymes, β-glucosidases and hemicellulase, are also essential for the degradation of cellulosic biomass. This chapter also includes a brief ...

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