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Ribbon representation of the Streptomyces lividans β-1,4-endoglucanase catalytic domain - an example from the family 12 glycoside hydrolases [1]. Cellulase (EC 3.2.1.4; systematic name 4-β-D-glucan 4-glucanohydrolase) is any of several enzymes produced chiefly by fungi, bacteria, and protozoans that catalyze cellulolysis, the decomposition of cellulose and of some related polysaccharides:
Red nata de coco in syrup from the Philippines. K. xylinus was used for a long time as a model organism for the study of cellulose production in plants. It is also studied in its own right to explore bacterial biofilm production, cell-cell communication, and other topics of interest. [2]
Cellulose microfibrils are made on the surface of cell membranes to reinforce cells walls, which has been researched extensively by plant biochemists and cell biologist because 1) they regulate cellular morphogenesis and 2) they serve alongside many other constituents (i.e. lignin, hemicellulose, pectin) in the cell wall as a strong structural support and cell shape. [15]
Enzyme washing or "bio stoning" is a textile manufacturing technique in which cellulase enzymes are applied to denim. As with traditional stone washing, the intended effect is a faded appearance and softer feel. [1] Because the technique relies on biotechnology, enzyme washing is considered an example of textile bio-processing. [2] [3]
Moreover, CMC has been used extensively to characterize enzyme activity from endoglucanases (part of the cellulase complex); it is a highly specific substrate for endo-acting cellulases, as its structure has been engineered to decrystallize cellulose and create amorphous sites that are ideal for endoglucanase action.
The EL offers services to determine the different enzyme activities or samples for food, feeds and other industrial applications. Enzyme assay indicates the effectiveness of a given enzyme to a specific substrate and serves as a quality control tool. It also accepts contract researches on the production and application of industrial enzymes.
T. reesei is an important commercial and industrial micro-organism due to its cellulase production ability. Industrial enzymes, like T. reesei, have become an essential part of the global market. As of 2012, the estimated market size for industrial enzymes reached almost 4 billion in US dollars. [7] Many strains of T. reesei have been developed ...
A cellulase unit (CU) is a unit of measurement for the enzyme cellulase. One cellulase unit is that activity that will produce a relative fluidity change of one in 5 minutes in a defined carboxymethylcellulose substrate under the conditions of an assay (50 deg Celsius, pH 4.5). [ 1 ]