Production and single step purification of cyclodextrin glycosyltransferase from alkalophilic bacillus firmus by ion exchange chromatography

TitleProduction and single step purification of cyclodextrin glycosyltransferase from alkalophilic bacillus firmus by ion exchange chromatography
Publication TypeJournal Article
Year of Publication2008
AuthorsSavergave, LS, Mule, SS, Jogdand, VV, Nene, SN, Gadre, RV
JournalBiochemical Engineering Journal
Volume39
Issue3
Pagination510-515
Date PublishedMAY
ISSN1369-703X
Keywordsalkalophilic, Bacillus firmus, CGTase, cyclodextrin, Purification
Abstract

Production and purification of starch digesting cyclodextrin glycosyl transferase (CGTase) from alkalophilic Bacillus firmus was investigated. Fermentation was carried out in 141 bioreactor at 28 degrees C using a medium containing dextrin, yeast extract, peptone, (NH4)H2PO4 and MgSO4.7H(2)O. The extracellular enzyme was concentrated by tangential flow ultrafiltration. The concentrated enzyme was chromatographed using DEAE-sepharose and phenyl sepharose. DEAE-sepharose could be used to purify CGTase in a single step with 23.1 fold purification and 80.6% recovery. The enzyme obtained had homogeneity and the molecular weight was 76 kDa confirmed by SDS-PAGE. (c) 2007 Elsevier B.V. All rights reserved.

DOI10.1016/j.bej.2007.09.020
Type of Journal (Indian or Foreign)Foreign
Impact Factor (IF)2.692
Divison category: 
Chemical Engineering & Process Development