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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 ...
研究结果 验证基于测序的 PCN 测定方法:研究人员选取了研究较为充分的中等拷贝数质粒 pBR322、高拷贝数质粒 pUC19 和中等拷贝数质粒 pACYC184 的衍生物进行测试。结果显示,该方法测定的 PCN 与此前其他方法所得结果相近,且技术重复间相对标准偏差较低 ...
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