Results 181 to 190 of about 25,716 (236)
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The glucanases of Cellulomonas
Biotechnology Advances, 1997Cellulomonas is a unique bacterium possessing not only the capacity to degrade various carbohydrates, such as starch, xylan and cellulose, but crystalline cellulose as well. It has developed a complex battery of glucanases to deal with substrates possessing such extensive microheterogeneities. Some of these enzymes are multifunctional, as well as cross
P, Chaudhary, N N, Kumar, D N, Deobagkar
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Characterization of 1,3-β-Glucanase and 1,3;1,4-β-Glucanase Genes From Phytophthora infestans
Fungal Genetics and Biology, 2003Three putative exo-1,3-beta-glucanase genes (Piexo1, Piexo2, Piexo3), one endo-1,3-beta-glucanase (Piendo1) and one endo-1,3;1,4-beta-glucanase (Piendo2) gene were cloned and characterized from the oomycete Phytophthora infestans. Southern hybridization revealed that Piexo1, Piexo2, Piexo3, and Piendo2 are single copy, and that Piendo1 is encoded by ...
William E Fry +2 more
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Glucosidases and exo-glucanases
Canadian Journal of Biochemistry, 1968A comparison was made of exo-α-glucanases with α-glucosidases, and of exo-β1 → 3-glucanases with β-glucosidases to establish criteria for their characterization. Dimers, trimers, and tetramers of glucose are substrates for both exo-glucanases and glucosidases. Exo-glucanases act more rapidly on the longer oligomers, glucosidases on the shorter.
E T, Reese, A H, Maguire, F W, Parrish
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2019
In many yeast and fungi, β-(1,3)-glucan and chitin are essential components of the cell wall, an important structure that surrounds cells and which is responsible for their mechanical protection and necessary for maintaining the cellular shape. In addition, the cell wall is a dynamic structure that needs to be remodelled along with the different phases
César, Roncero +1 more
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In many yeast and fungi, β-(1,3)-glucan and chitin are essential components of the cell wall, an important structure that surrounds cells and which is responsible for their mechanical protection and necessary for maintaining the cellular shape. In addition, the cell wall is a dynamic structure that needs to be remodelled along with the different phases
César, Roncero +1 more
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The Physiology and Molecular Biology of Plant 1,3-β-D-Glucanases and 1,3;1,4-β-D-Glucanases
Critical Reviews in Plant Sciences, 1994Abstract This review covers the physiology and molecular biology of the plant β-glucanases possessing either endo-1,3-β-D-glucanase (EC 3.2.1.39) or endo-1,3;1,4-β-D-glucanase (EC 3.2.1.73) activity. These β-glucanases are structurally related enzymes that are believed to be involved in many important aspects of plant physiology and development, such ...
Roza V, Usoltseva +5 more
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Journal of the Institute of Brewing, 1971
Synchronously-dividing cultures of brewer's yeast show cyclical changes in activities of mannanase, glucanase and laminarinase, suggesting that these enzymes may have a function in the budding process. The same enzymes are present in autolysates of brewer's yeast; the laminarinase completely hydrolyses laminarin to monosaccharide but the others yield ...
I. S. Maddox, J. S. Hough
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Synchronously-dividing cultures of brewer's yeast show cyclical changes in activities of mannanase, glucanase and laminarinase, suggesting that these enzymes may have a function in the budding process. The same enzymes are present in autolysates of brewer's yeast; the laminarinase completely hydrolyses laminarin to monosaccharide but the others yield ...
I. S. Maddox, J. S. Hough
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Immobilized ?-glucanases and their applications
Biotechnology Letters, 1979A number of β-glucanase active enzyme preparations were successfully immobilized either by adsorption on Duolite S-761 phenol-formaldehyde resin or covalently on silanized Spherosil XOB-075 porous silica beads to obtain remarkably stable active biocatalysts.
Yu-Yen Linko, P. Linko
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Glucanase activity in coleoptiles of Avena
Archives of Biochemistry and Biophysics, 1969Abstract The presence of five different β-glucanases has been investigated in coleoptiles of Avena with the use of specific substrates. A high activity of β-1,3-glucanase is found associated with the coleoptiles. With regard to β-1,4-glucanase activity a strong activity of exo -cellulase which splits glucose (or cellobiose) from the end of the ...
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β-D-1,6-Glucanase in Streptomyces
Nature, 1963ACCORDING to Reese et al.1, β-D-1,6-glucan rarely occurs in Nature, yet many fungi are able to produce an enzyme capable of hydrolysing it. Production of β-D-1,6-glucanase by Streptomyces has not been reported.
N, NAKAMURA, O, TANABE
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Proteinaceous inhibitors of endo-β-glucanases
Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics, 2004Both plants and filamentous phytopathogens secrete proteins that inhibit endo-beta-glucanases. The first endo-beta-glucanase inhibitor proteins to be discovered are XEGIP, a tomato protein that inhibits fungal xyloglucan-specific endo-beta-1,4-glucanases, and GIP1, an oomycete protein that inhibits endo-beta-1,3-glucanases produced by the plant host ...
William S, York +2 more
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