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Research of Electrotransformation Processing of Lactobacilli Delbrueckii Subsp.Bulgaricus with the Constitutive Expression Vector pMG36e
Author(s): Guo Hongmin, Gu Xinxi, Zhang Yulan, Tian Hongtao, Guo Xinghua, Luo Yunbo
Pages: 8-
16
Year: 2011
Issue:
2
Journal: Journal of Chinese Institute of Food Science and Technology
Abstract: 以典型的乳酸菌组成型表达质粒pMG36e为载体,德式乳杆菌保加利亚亚种为受体.采用电转化方法研究受体菌株的生长状态与细胞壁处理方式、质粒浓度、电转化参数、复苏培养基组成与复苏培养时间、受体菌株的限制修饰作用对电转化效率的影响,探讨电转化的最适条件,以提高电转化效率.结果表明:选择含2.5%甘氨酸的SMRS培养基培养受体细胞至对数中期,收获制成感受态细胞,在电场强度12 kV/cm、电阻200Ω、电...
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