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Electroporation


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#1 science_rocks

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Posted 23 May 2011 - 12:51 AM

Hallo!

I am running an electroporation protocol and when transforming whole plasmid DNA, I have no problem. When I am trying to transform DH5a cells with my ligation product I get no colonies, only an off-white sticky gelly stuff. I haven't electrophorized my ligation product. Do you think it would be useful? Has anyone ever had the same problem? Can you give me a tip?

Thank you in advance!

#2 Curtis

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Posted 24 May 2011 - 07:41 AM

I used up to 10 ul of ligation reaction for 50-200 ul competent cells. how much you use? or maybe the ligation didn't work? it takes time to optimize yourself with cloning.




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