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Comparison of the thermostability of cellulases from various thermophilic fungi

Abstract

The cellulase activities of six thermophilic fungi were compared. Although the thermophilic fungi grew at relatively high temperatures (> 45/sup 0/C) the optimum temperatures for assaying the various cellulase activities were only slightly higher than the optimum temperatures for the mesophilic fungi, Trichoderma harzianum. Over prolonged incubation (> 24 h) the thermophilic strains demonstrated a higher hydrolytic potential as a result of the greater thermostability of the cellulase components. Although the extracellular cellulase activities had similar pH and temperature optima, in some cases the thermostability of the extracellular components were considerably lower.
Publication Date:
Oct 01, 1987
Product Type:
Journal Article
Reference Number:
DE-88-001153; EDB-88-037056
Resource Relation:
Journal Name: Appl. Microbiol. Biotechnol.; (Germany, Federal Republic of); Journal Volume: 27:1
Subject:
09 BIOMASS FUELS; 59 BASIC BIOLOGICAL SCIENCES; ASPERGILLUS; PRODUCTIVITY; CELLULASE; ENZYME ACTIVITY; FUNGI; ENZYMATIC HYDROLYSIS; STABILITY; TRICHODERMA; CELL CULTURES; TEMPERATURE DEPENDENCE; THERMOPHILIC CONDITIONS; CHEMICAL REACTIONS; DECOMPOSITION; ENZYMES; GLYCOSYL HYDROLASES; HYDROLASES; HYDROLYSIS; LYSIS; O-GLYCOSYL HYDROLASES; PLANTS; SOLVOLYSIS; 140504* - Solar Energy Conversion- Biomass Production & Conversion- (-1989); 550700 - Microbiology
OSTI ID:
5720737
Research Organizations:
Forintek Canada Corp., Ottawa, Ontario. Biotechnology and Chemistry Dept.
Country of Origin:
Germany
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: AMBID
Submitting Site:
DE
Size:
Pages: 82-87
Announcement Date:
Feb 01, 1988

Citation Formats

Wojtczak, G, Breuil, C, Yamada, J, and Saddler, J N. Comparison of the thermostability of cellulases from various thermophilic fungi. Germany: N. p., 1987. Web.
Wojtczak, G, Breuil, C, Yamada, J, & Saddler, J N. Comparison of the thermostability of cellulases from various thermophilic fungi. Germany.
Wojtczak, G, Breuil, C, Yamada, J, and Saddler, J N. 1987. "Comparison of the thermostability of cellulases from various thermophilic fungi." Germany.
@misc{etde_5720737,
title = {Comparison of the thermostability of cellulases from various thermophilic fungi}
author = {Wojtczak, G, Breuil, C, Yamada, J, and Saddler, J N}
abstractNote = {The cellulase activities of six thermophilic fungi were compared. Although the thermophilic fungi grew at relatively high temperatures (> 45/sup 0/C) the optimum temperatures for assaying the various cellulase activities were only slightly higher than the optimum temperatures for the mesophilic fungi, Trichoderma harzianum. Over prolonged incubation (> 24 h) the thermophilic strains demonstrated a higher hydrolytic potential as a result of the greater thermostability of the cellulase components. Although the extracellular cellulase activities had similar pH and temperature optima, in some cases the thermostability of the extracellular components were considerably lower.}
journal = []
volume = {27:1}
journal type = {AC}
place = {Germany}
year = {1987}
month = {Oct}
}