Characterization of alkaline xylanases from Bacillus pumilus
نویسندگان
چکیده
منابع مشابه
Purification and Characterization of Alkaline Xylanases from Bacillus polymyxa.
By applying different classical and fast protein liquid chromatographic techniques, three xylanases (beta-1,4-d-xylan xylanhydrolase) were purified to homogeneity from the extracellular enzymatic complex of Bacillus polymyxa. The three enzymes (X(34)C, X(34)E, and X(22)) were small proteins of 34, 34, and 22 kDa and basic pIs 9.3, >9.3, and 9.0, respectively. X(34)C and X(34)E are closely relat...
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Cloning and sequencing of a lipase gene from an indigenous Bacillus pumilus, strain F3, revealed an open-reading frame of 648 nucleotides predicted to encode a protein of 215 residues. Sequence analysis showed that F3 lipase contained a signal peptide composed of 34 amino acids with an H domain of 18 residues. A tat-like motif was found in the signal peptide similar to some other Bacillus pumil...
متن کاملIsolation, Purification and Characterization of a Thermophilic Alkaline Protease from Bacillus subtilis BP-36
The goal of this research was to isolate and identify the thermostable alkaline protease producing bacteria among several native Iranian microorganisms. At the end of screening program, a Bacillus subtilis BP-36 strain producing thermophilic alkaline protease was isolated from a hot spring in Ardebil province. The target enzyme was purified using a one-step Aqueous two-phase systems (ATPS) prot...
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Hyperthermostable alkaline lipase from Bacillus sonorensis 4R was purified and characterized. The enzyme production was carried out at 80°C and 9.0 pH in glucose-tween inorganic salt broth under static conditions for 96 h. Lipase was purified by anion exchange chromatography by 12.15 fold with a yield of 1.98%. The molecular weight of lipase was found to be 21.87 KDa by SDS-PAGE. The enzyme act...
متن کاملMolecular characterization of cellulose-degrading Bacillus pumilus from the soil of tea garden, Darjeeling hills, India.
Bio-fuel produced from ethanol is economically and environmentally advantageous in context of changing global climate. A large number of microorganisms are capable of cellulase production but most of them cannot be utilized commercially due to their low activity. In the present study, an effiecient cellulose degrading strain of Bacillus pumilus was obtained after thorough screening for the prod...
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ژورنال
عنوان ژورنال: Brazilian Journal of Microbiology
سال: 2000
ISSN: 1517-8382
DOI: 10.1590/s1517-83822000000200005