机构地区: 河南工业大学生物工程学院
出 处: 《河南工业大学学报(自然科学版)》 2005年第6期13-16,共4页
摘 要: 为提高枯草杆菌工程菌外源基因的表达水平,探索了蔗糖诱导型枯草杆菌工程菌表达系统DB1342(pSCl8—66)的表达条件,筛选到蔗糖诱导型枯草杆菌工程菌最佳表达条件为:在枯草杆菌对数生长前期加蔗糖进行诱导表达,蔗糖的诱导剂量控制在2%~4%,诱导表达时间为20~24h. To enhance the expression efficiency of heterologous gene in B. subtilis, The conditions of the high efficient expression of B. subtilis engineered strain DB1342(pSC18 -66) induced by sucrose was studied. The results showed that sucrose was added at the front middle stage of growth and induced for 20 - 24 hours with the concentration of 2% - 4% were suitable for B. subtilis to express heterologous gene.
领 域: [生物学]