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Title: Production, purification, and characterization of inulinase from Streptomyces anulatus. Author: Beroigui O, El Ghadraoui L, Errachidi F. Journal: J Basic Microbiol; 2023 Mar; 63(3-4):427-438. PubMed ID: 36707409. Abstract: Inulinase is an enzyme that catalyzes inulin to d-fructose. This enzyme can be extracted from plants, but it is difficult to obtain it in large quantities, so its production cost is high. Therefore, microbial inulinase has great potential for industrial needs. In the last decade, there have been very few reports on actinobacterial inulinases, especially on purification and characterization of inulinase process extraction. This study aims to select actinomycetes that possess high inulinase activity from the soil. To screen inulinase-producing bacteria, modified Czapex-Dox agar supplemented with 1% inulin powder was used. The most effective isolate was Streptomyces sp. EFBO8, morphological and genotypic identification methods, confirmed that the strain is Streptomyces anulatus and that its nucleotide sequence has been deposited in GenBank under accession number OQ073700. To optimize inulinase production, kinetics were performed by using S. anulatus strain, which proved to be most productive with a value of 24,024 EU/mL. The enzyme was purified from the culture filtrate by precipitation with ammonium sulfate (NH4 )2 SO4 , followed by column chromatography Sephadex (G-50) separation. Purified protein has a molecular mass of 3331.83 Da.[Abstract] [Full Text] [Related] [New Search]