[求救] cloning實驗做到digest gelpurificatio …
小妹我目前在做關於cloning及biosensor相關的實驗
一開始做PCR 用proof reading Taq做了好幾次都鬼打牆 量非常少
後來老師可以用普通的Taq做 目前做出最好的情形大概是以下的照片
http://www.flickr.com/photos/52798131@N04/4868394307/in/photostream/
三個sample都是P recA 基因
後來純化將三管混合作 PCR product的purification 圖大概是這樣(從右邊數來第二個)
(PCR純化我是用kit作 最後Elution solution的量是加12ul)
http://www.flickr.com/photos/52798131@N04/4868396741/in/photostream/
(不知道為什麼變比較淡~"~)
後來繼續作到BamHI和XbaI的double digest 以下是digest program
[insert] [vector]
volume(uL)
buffer3 3 3
BSA 3 3
insert 8 5
BamHI 0.3 0.3
XbaI 0.3 0.3
dH2O 15.4 18.4
這是digest overnight 後的圖(抱歉已經切過膠)
http://www.flickr.com/photos/52798131@N04/4869015092/in/photostream/
中間第二到第四個由左至右算起分別是
vector.insert.100bp marker. 1kb marker
經過切膠之後 用kit作purification 結果照出來就完全沒東西了Q_Q
http://www.flickr.com/photos/52798131@N04/4869017390/in/photostream/
已經經過了大概3次重複整個實驗過程
都是到最後沒辦法作到ligation的部份
雖然我覺得是後來digestion之後量變少
但真的事要量夠多到後來純化過colum跑膠才看的到嗎
希望各位大大能給一些意見喔 謝謝!!!
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◆ From: 61.230.223.238
※ 編輯: honeytea96 來自: 61.230.223.238 (08/08 00:59)
※ 編輯: honeytea96 來自: 61.230.223.238 (08/08 01:01)
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