Effective purification procedure of Aspergillus oryzae α-amylase from solid state fermentation cultures including Concanavalin A-Sepharose

Solid state fermentation cultures of Aspergillus oryzae NRRL 3485 on moistened wheat bran produced high levels of α-amylase as judged by the specific activity of water extracts (500-700 units/mg protein) and by the enzyme concentration (around 0.15 g/L ) in those extracts. The purification of α-amyl...

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Autor principal: Terebiznik, M.R
Otros Autores: Pilosof, A.M.R, Moreno, S.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1996
Acceso en línea:Registro en Scopus
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100 1 |a Terebiznik, M.R. 
245 1 0 |a Effective purification procedure of Aspergillus oryzae α-amylase from solid state fermentation cultures including Concanavalin A-Sepharose 
260 |c 1996 
270 1 0 |m Terebiznik, M.R.; Departamento de Industrias, Fac. de Ciencias Exactas y Naturales, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
506 |2 openaire  |e Política editorial 
504 |a Bergmeyer, H.U., Grassl, M., Reagents for enzymatic analysis: Enzymes α-glucosidase (1983) Methods of Enzymatic Analysis, 2, pp. 205-206. , 3rd ed. (H.U. Bergmeyer, ed.), Verlag Chemie GmbH, Weinheim 
504 |a Bradford, M.M., A rapid and sensitive method for the quantification of microgram quantities of protein utilizing the principle of protein dye binding (1976) Anal. Biochem., 72, pp. 248-254 
504 |a Brandani, V., Di Giacomo, G., Spera, L., Extraction of protein α-amylase by reverse micelles (1993) Process Biochem., 28, pp. 411-414 
504 |a Cheng, C., Udaka, S., Efficient production of Taka-amylase by Trichoderma viride (1991) Agric. Biol. Chem., 55, pp. 1817-1822 
504 |a Ebisu, S., Mori, M., Takagi, H., Kadowaki, K., Yamagata, H., Tsukagoshi, N., Udaka, S., Production of a fungal protein. Taka-amylase, by protein producing Bacillus brevis HPD31 (1993) J. Indust. Microbiol., 11, pp. 83-88 
504 |a Errat, J.A., Douglas, P.E., Moranelli, F., Seligy, V.L., The induction of α-amylase by starch in Aspergillus oryzae: Evidence for controlled mRNA expression (1984) Can. J. Biochem. Cell Biol., 62, pp. 678-690 
504 |a Fogarty, M.W., Kelly, C.T., Amylases, amyloglucosidase and related glucanases (1980) Econ. Microbiol., 5. , (A.H. Rose, ed.), Academic Press, London 
504 |a Hase, S., Fujimura, K., Kanoh, M., Ikenaka, T., Studies on heterogeneity of Taka-Amylase A: Isolation of an amylase having one N-acetylglucosamine residue as the sugar chain (1982) J. Biochem., 92, pp. 265-270 
504 |a Kalb, J., Levitzki, A., Metal-binding sites of concanavalin A and their role in binding of α-methyl D-glucopyranoside (1968) Biochem. J., 109, pp. 669-672 
504 |a Kong, X., Wang, Z., Cui, Y., Jiang, L., Purification and properties of alpha-amylase from Aspergillus oryzae 6-193 (1991) Acta Microbiol. Sinica, 31, pp. 274-280 
504 |a Laemmli, U.K., Cleavage of structural proteins during the assembly of the head of bacteriophage T4 (1970) Nature, 227, pp. 680-685 
504 |a Mckelvy, J., Lee, Y.C., Microheteroregeneity of the carbohydrate group of Aspergillus oryzae α-amylase (1969) Arch. Biochem. Biophys., 132, pp. 99-110 
504 |a Miranda, E.A., Berglund, K.A., Evaluation of column flotation in the downstream processing of fermentation products: Recovery of a genetically engineered α-amylase (1993) Biotechnol. Prog., 9, pp. 411-420 
504 |a Nelson, N., A photometric adaptation of the Somogyi method for the determination of glucose (1944) J. Biol. Chem., 153, pp. 375-380 
504 |a Oakley, B., Kirsh, O., Morris, N., A simplified ultrasensitive silver stain for detecting proteins in polyacrylamide (1980) Anal. Biochem., 105, pp. 361-363 
504 |a Ono, K., Shigeta, S., Oka, S., Effective purification of glucoamylase in Koji, a solid culture of Aspergillus oryzae on steamed rice, by affinity chromatography using an immobilized acarbose (BAY G-5421) (1988) Agric. Biol. Chem., 52, pp. 1707-1714 
504 |a Ramana Murthy, M.V., Karanth, N.G., Raghava Rao, M.S., Biochemical engineering aspects of solid-state fermentation (1993) Adv. Appl. Microbiol., 38, pp. 99-147 
504 |a Randez-Gil, F., Sanz, P., Expression of Aspergillus oryzae α-amylase gene in Saccharomyces cerevisiae (1993) FEMS Microbiol. Lett., 112, pp. 119-123 
504 |a Rozie, H., Somers, W., Van't Riet, K., Rombouts, F.M., Visser, J., Crosslinked potato starch as an affinity adsorbent for bacterial α-amylase (1991) Carbohydr. Pol., 15, pp. 349-365 
504 |a Shibuya, I., Tamura, G., Ishikawa, T., Hara, S., Cloning of the alpha-amylase cDNA of Aspergillus shirousamii and its expression in Saccharomyces cerevisiae (1992) Biosci. Biotechnol. Biochem., 56, pp. 174-179 
504 |a Smith, B.W., Roe, J.H., A photometric method for the determination of α-amylase in blood and urine, with use of the starch-iodine color (1949) J. Biol. Chem., 179, pp. 53-58 
504 |a Turchi, S.L., Becker, T., Improved purification of α-amylase isolated from Rhizomucor pusillus by affinity chromatography (1987) Current Microbiol., 15, pp. 203-205 
504 |a Yamaguchi, H., Ikenaka, T., Matsushima, Y., The complete sequence of a glycopeptide obtained from Taka-amylase A (1971) J. Biochem., 70, pp. 587-594 
504 |a Yamakawa, Y., Okuyama, T., Heterogeneity of crystalline Takaamylase (1973) J. Biochem., 73, pp. 447-454 
520 3 |a Solid state fermentation cultures of Aspergillus oryzae NRRL 3485 on moistened wheat bran produced high levels of α-amylase as judged by the specific activity of water extracts (500-700 units/mg protein) and by the enzyme concentration (around 0.15 g/L ) in those extracts. The purification of α-amylase by affinity chromatography on Concanavalin A-Sepharose is described. A first DEAE-Sepharose chromatography step (binding of the enzyme contained in the water extract and further elution with 0.2 M NaCl, pH 5) was necessary in order to remove contaminants that hinder the binding of the glycoprotein α-amylase to the lectin. Elution was performed with 7.5 mM α-D-methylmannoside. The enzyme was obtained highly concentrated and purified with a specific activity of 2000 units/mg protein and a recovery of around 60%, free of α-glucosidase, amyloglucosidase and color contaminants. The purity of the enzyme preparation was assessed through nondenaturing gel electrophoresis and sucrose gradient centrifugation. An improvement of the performance of the purification procedure is presented in which the maximum capacities of both the anion exchanger and the lectin matrices were exploited.  |l eng 
593 |a Departamento de Industrias, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
593 |a Depto. de Quim. Biológica, Fac. de Ciencias Exactas y Naturales, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
593 |a Departmento de Ing. Química, Facultad de Ingeniería, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
593 |a Departamento de Industrias, Fac. de Ciencias Exactas y Naturales, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
690 1 0 |a ASPERGILLUS ORYZAE 
690 1 0 |a TRITICUM AESTIVUM 
700 1 |a Pilosof, A.M.R. 
700 1 |a Moreno, S. 
773 0 |d 1996  |g v. 19  |h pp. 341-354  |k n. 5  |p J. Food Biochem.  |x 01458884  |w (AR-BaUEN)CENRE-750  |t Journal of Food Biochemistry 
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