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生物通
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删除 pcnB 基因可降低 ColE1 家族质粒拷贝数,影响耐药大肠杆菌的抗生 ...
为探究抗生素暴露和 pcnB 基因缺失对大肠杆菌质粒拷贝数(PCN)的影响,研究发现删除 pcnB 可增敏细菌,具潜在药用价值。 在微生物的世界里,抗生素耐药性如同一个 “超级反派”,正严重威胁着人类和动物的健康。质粒作为抗生素耐药基因的 “搬运工”,在 ...
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