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Xylanases, xylanase families and extremophilic xylanases [PDF]
FEMS Microbiology Reviews, 2005 Xylanases are hydrolytic enzymes which randomly cleave the beta 1,4 backbone of the complex plant cell wall polysaccharide xylan. Diverse forms of these enzymes exist, displaying varying folds, mechanisms of action, substrate specificities, hydrolytic activities (yields, rates and products) and physicochemical characteristics.
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Endophytes as Producers of Xylanase.
Journal of Bioscience and Bioengineering, 2002One hundred and sixty-nine endophytic fungi and 81 endophytic bacteria were isolated from 14 plants in total. Among them, 155 fungi (91.7%) and 52 bacteria (64%) were found to produce xylanase. The inside part of plants is a novel and good source for isolating xylanase producers in comparison with soil.
Manabu, Suto +5 more
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Occupational Allergies to Xylanases
Pneumologie, 2004The exposure against enzyme dusts have long been known to cause occupational allergies. In the 1960s an increasing number of occupational allergies in the detergent industry were observed. In this context the high sensitization potential of enzyme dusts attracted attention.
V, van Kampen, R, Merget, T, Brüning
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Studies on xylanase fromBasidiomycetes
Folia Microbiologica, 1975Formation of extracellular xylanase was studied in 10 strains of wood-destroying fungi belonging to Basidiomycetes during their submerged cultivation with willow sawdust. The highest enzyme activity was found in the fungus Trametes hirsuta (Wulf.) Pilát.
M, Kubacková +2 more
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Xylanase in the Soil and the Rumen
Nature, 1955IN connexion with experiments on enzymatic decomposition of wheat straw xylan1, the xylanase activity in the soil has been investigated by a method very similar to that of Hofmann2. To 5 gm. of air-dry soil in 50-ml. Erlenmeyer flasks were added 2 ml. of toluene, and, after 10 min., 5 ml. phosphate buffer (pH 6.5) and 5 ml.
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1988
Publisher Summary Streptomyces can produce inductively extracellular xylanase in the presence of xylan, but cannot secrete β-xylosidase into medium. When the xylanase acts on xylan, mainly xylose and xylobiose are accumulated in the hydrolyzate. Streptomyces can produce inductively the xylanase in response to nonmetabolizable β-xylosides.
Tuneo Yasui +3 more
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Publisher Summary Streptomyces can produce inductively extracellular xylanase in the presence of xylan, but cannot secrete β-xylosidase into medium. When the xylanase acts on xylan, mainly xylose and xylobiose are accumulated in the hydrolyzate. Streptomyces can produce inductively the xylanase in response to nonmetabolizable β-xylosides.
Tuneo Yasui +3 more
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Use of Psychrophilic Xylanases Provides Insight into the Xylanase Functionality in Bread Making
Journal of Agricultural and Food Chemistry, 2011The bread-improving potential of three psychrophilic xylanases from Pseudoalteromonas haloplanktis TAH3A (XPH), Flavobacterium sp. MSY-2 (rXFH), and unknown bacterial origin (rXyn8) was compared to that of the mesophilic xylanases from Bacillus subtilis (XBS) and Aspergillus aculeatus (XAA).
Emmie, Dornez +4 more
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