"开关 epsilon 区域(最弱的开关区域)被替换成一个含氨苄青霉素抗性基因的克隆,而开关 mu 区域(最强的开关区域)保持不变。通过 Cre 介导的重组,去除了抗性基因 cassette。(来源:J:201147)"
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The Switch epsilon region (the weakest switch region) was replaced with a floxed neomycin resistance cassette and the Switch mu region (the strongest switch region). Cre-mediated recombination removed the resistance cassette. (J:201147)