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Band in the negative control


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#1 mpuinean

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Posted 16 July 2004 - 05:51 AM

:rolleyes: I keep having a product in my negative control (RT-PCR and real-time PCR) of the exact size/thermic behaviour that I am expecting in the template amplification although I changed all the solutions and the primers. The primers were tested against hairpin formations and primer dimer formations. When in the positive I have a low concentration of template, the band appears only in the negative.
With other pairs of primers I don't have the band in the negative but I don't have it in the positive as well although they are all gene specific primers.
Somebody please give me a clue or at least tell me that I'm not alone!!
Thanks

#2 pcrman

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Posted 16 July 2004 - 09:50 AM

Hi mpuinean,

someone raised the same question a while ago. the thread can be found here:

http://www.protocol-...?showtopic=3016




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