| 24小時(shí)熱門(mén)版塊排行榜 |
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| 查看: 1130 | 回復(fù): 3 | ||
| 本帖產(chǎn)生 1 個(gè) BioEPI ,點(diǎn)擊這里進(jìn)行查看 | ||
[求助]
導(dǎo)入重組質(zhì)粒細(xì)菌老是長(zhǎng)不出來(lái)是什么原因呢
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| xl-biue大腸桿菌,導(dǎo)入的是p3xflag-cmv14質(zhì)粒,連接片段300bp左右,分別涂了低濃度和高濃度的,24小時(shí)只有一塊板子有幾個(gè)單克隆,求高手指點(diǎn) |
新蟲(chóng) (小有名氣)
新蟲(chóng) (小有名氣)
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Several things can result that: 1 the ligation efficiency (add ligation control that you did before) 2 transform efficiency (plasmid as transform control) 3 the gene products is toxic to the host cell (shift to other host cell, such as JM109, DH5ALPHA) GOOD LUCK |
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