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dblydxdl

新虫 (初入文坛)

[求助] red敲除

沙门菌的基因敲除,以PKD3为模板扩增敲除片段,电转化敲除片段后板子上长出的均为假阳性的单克隆。敲除片段是直接纯化回收的,考虑有可能把PKD3模板转进去,降低模板浓度重新扩增敲除片段转化,单克隆依旧都是假阳性。不知道哪里可能有问题
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biosci

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★
西门吹雪170: 金币+1, 鼓励回帖交流 2019-08-29 22:22:34
敲除片段用dpnI酶处理一下,可以除去质粒模板的干扰

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2楼2019-08-29 16:55:41
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