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从延边地区部分土壤标本中分离29株芽抱杆菌,筛选出产生环糊精葡萄糖基转移酶并能制备β-环糊精的德新4号菌株.对4号菌和其它芽抱杆菌从生化、形态学方面进行了比较.
29 strains of Bacillus were isolated from some soil samples in Yanbian area and strains of Dexin 4 producing cyclodextrin glucosyltransferase and β-cyclodextrin were screened. Biochemical analysis of strain 4 and other strains of Bacillus The morphological aspects were compared.