Results 161 to 170 of about 4,761 (203)
Anaerobic fungi and their cellulolytic and xylanolytic enzymes
Antonie Van Leeuwenhoek, 1993 Anaerobic fungi are the inhabitants of the digestive tract of herbivorous mammals, ruminants as well as non-ruminants. One of the major characteristics of all anaerobic fungi examined thus far, is their production and secretion of a range of polysaccharide-degrading enzymes, including cellulases, xylanases and glucoside-hydrolases.
Huub J M op den Camp +1 more
exaly +4 more sources
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Xylanolytic Enzymes from Fungi and Bacteria
Critical Reviews in Biotechnology, 1997The development of new analytical techniques and the commercial availability of new substrates have led to the purification and characterization of a large number of xylan-degrading enzymes. Furthermore, the introduction of recombinant DNA technology has resulted in the selection of xylanolytic enzymes that are more suitable for industrial applications.
Anwar Sunna, Garabed Antranikian
exaly +3 more sources
Regulation of xylanolytic enzymes in Bacillus subtilis
Microbiology, 1994The synthesis of the xylanolytic enzymes beta-xylanase and beta-xylosidase of Bacillus subtilis was studied. In contrast to many catabolic extracellular enzymes, beta-xylanase was synthesized constitutively during exponential growth and was not repressed by glucose.
C, Lindner, J, Stülke, M, Hecker
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Production of cellulolytic and xylanolytic enzymes by an Arthrographis species
World Journal of Microbiology and Biotechnology, 1993A fungal isolate, Arthrographis sp. strain F4, when grown in shake-flask culture, produced cellulolytic and xylanolytic enzymes optimally at 30°C with an initial pH of 5.0 to 6.0. Coarsely-ground filter paper was the most suitable carbon substrate for production of the enzymes.
B C, Okeke, S K, Obi
exaly +3 more sources
The Use of Xylanolytic Enzymes in Processing of Cereals
1994Treatment of whole meal rye flour slurries with pure endoxylanase caused fragmentation of the cell walls and increased extraction of the pentosans. Due to the heterogenous structure of rye cell walls also ß-glucanase and protease were needed for their complete degradation.
Poutanen, Kaisa +6 more
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Xylanolytic Enzymes in Pulp and Paper Industry: New Technologies and Perspectives
Molecular Biotechnology, 2021The pulp and paper industry discharges massive amount of wastewater containing hazardous organochlorine compounds released during different processing stages. Therefore, some cost-effective and nonpolluting practices such as enzymatic treatments are required for the potential mitigation of effluents released in the environment.
Guddu Kumar Gupta +2 more
exaly +3 more sources
Xylanolytic enzyme production by anAspergillus niger isolate
Applied Biochemistry and Biotechnology, 1994Production of xylanolytic enzymes by an Aspergillus niger CCMI 850 isolate was investigated in batch cultures. The effect of the composition of a fermentation medium that did not include chemical inducers, on beta-xylanase, beta-xylosidase, alpha-L-arabinofuranosidase, and total cellulase activity was studied.
M, Costa-Ferreira +5 more
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Screening Genus Penicillium for Producers of Cellulolytic and Xylanolytic Enzymes
Applied Biochemistry and Biotechnology, 2004For enzymatic hydrolysis of lignocellulosic material, cellulolytic enzymes from Trichoderma reesei are most commenly used, but, there is a need for more efficient enzyme cocktails. In this study, the production of cellulolytic and xylanolytic enzymes was investigated in 12 filamentous fungi from genus Penicillium and compared with that of T.
Henning Jørgensen +2 more
exaly +3 more sources
Production of xylanolytic enzymes by Streptomyces flavogriseus
Biotechnology Letters, 1981Cultures of Streptomyces flavogriseus produced considerable amounts of xylanase when grown on xylan containing media. Comparatively lower yields of this enzyme were obtained when hay or avicel served as main carbon source, β-xylosidase was synthesized intracellularly and appeared less dependent on the fermentation substrate.
M. Ishaque, D. Kluepfel
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Production of xylanolytic enzymes by strains of Aspergillus
Applied Microbiology and Biotechnology, 1989Production of hemicellulolytic enzymes required in the hydrolysis of different xylans was investigated using strains of seven species of Aspergillus. Of the strains producing highest levels of xylanolytic activities, a. foetidus VTT-D-71002 was apparently non-cellulolytic and could therefore be a possible source of cellulase-free hemicellulase for ...
Poutanen, Kaisa, Bailey, Michael
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