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The cellulases endoglucanase I and cellobiohydrolase II of Trichoderma reesei act synergistically to solubilize native cotton cellulose but not to decrease its molecular size

Article Abstract:

Enzymatic hydrolysis studies on degradation of cotton cellulose by Trichoderma reesei endoglucanase I (EGI) and cellobiohydrolase II (CBHII) demonstrate synergy between EGI and CBHII in inhibiting sugar production, with EGI serving as a prominent degrading factor. Size exclusion chromatography of the tricarbanilate derivatives reveals no change in the molecular-size distribution of cellulose in the post-degradation phase. EGI selectively cleaves through the microfibrils, whereas CBHII releases soluble sugars from the degraded portions.

Author: Kleman-Leyer, Karen M., Siika-Aho, Matti, Teeri, Tuula T., Kirk, Kent T.
Publisher: American Society for Microbiology
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1996
Analysis, Usage, Biodegradation, Cellulose, Gel permeation chromatography, Enzymatic analysis

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Exploration of new geometries in cellulosome-like chimeras

Article Abstract:

Novel cellulosome chimeras displaying atypical geometries and binding modes are designed, wherein the targeting and proximity functions are directly incorporated as integral parts of the enzyme components. The analysis has shown that cellulosome components are used for generating higher-order functional composites and has suggested that enzyme mobility is a key parameter for cellulosome efficiency.

Author: Bayer, Edward A., Tardif, Chantal, Fierobe, Henri-Pierre, Mingardon, Florence, Chanal, Angelique
Publisher: American Society for Microbiology
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2007
Science & research, Genetic aspects, Chimeras (Organisms), Immobilized enzymes

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Subjects list: Research
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