In order to apply STM to Shigella flexneri, RC426 was constructed as an attenuated mutant with chloramphenicol resistance and aroA and virG genes inactivated by homologous recombination;
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- 为将该技术应用于福氏痢疾杆菌，我们使用三个福氏痢疾杆菌菌株进行了预试验：通过同源重组构建而成的带有氯霉素抗性且aroA和virG基因失活的突变株RC426；
