Purification and Some Properties of Milk-clotting Enzyme from Aspergillus niger
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چکیده
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Purification and Zymography of lipase from Aspergillus niger PTCC5010
In this study, Aspergillus niger lipase after extraction of medium culture was precipitated with different percentages of acetone and purified by ion exchange chromatography using SP-sepharose HP and Q-sepharose HP. The process of purification of the anzyme was studied by electrophoresis and the molecular weight was detected and determined by Zymography using overlying containing phenol red and...
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Milk clotting enzyme (M CE) produced by: Rhizomucor miehei was purified and characterized.The enzyme was purified 220.29-fold with specific activity about 14444.2 U/mg protein byultrafiltration, ammonium sulfate fractionation, Sephacryl S-300 chromatography. The maximumenzyme activity was at 65°C.The milk clotting activity was decreased steadily as pH is increased and indicated maximumactivity ...
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A cellulolytic enzyme was isolated from a commercial cellulase preparation form Aspergillus niger. A yield of about 50mg of enzyme was obtained per 100g of commerial cellulase. The isolated enzyme was homogeneous in the ultracentrifuge at pH 4.0 and 8.0, and in sodium dodecyl sulphate/polyacrylamide-gel electrophoresis but showed one major and two minor bands in disc gel electrophoresis. No car...
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Glucose oxidase (/3-n-glucose : 02 oxidoreductase, EC 1.1.3.4) has been highly purified from the extracts of three fungi, Penicillium not&urn (1, 2), Penicillium amagasakiense (3, 4), and Aspergillus niger (5, 6). It has also been identified and sometimes partially purified from a number of other sources. Some of these sources are reviewed by Schepartz and Subers (7). Recently Pazur and Kleppe ...
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A beta-mannosidase (beta-D-mannoside mannohydrolase, EC 3.2.1.25) was purified to apparent homogeneity from the culture filtrate of the fungus, Aspergillus niger. The enzyme had an estimated molecular weight of about 120,000 and was a glycoprotein. Radioactive enzyme was prepared by growing the fungus in [14C]fructose, and this enzyme was used for the preparation of 14C-glycopeptides. The glyco...
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ژورنال
عنوان ژورنال: Journal of General Microbiology
سال: 1969
ISSN: 0022-1287
DOI: 10.1099/00221287-59-1-131