DOP-PCR digestion problems!

Csaba Kiss csakis at
Thu Jun 28 02:03:08 EST 2001

I am performing DOP-PCR on complete cDNA samples from cell lines. I want to digest the resulting PCR with a restriction enzyme, however, the enzyme does not even touch the PCR. When you digest a DOP smear you expect a general size-shift on the gelelfo downwards. My samples give exactly the same pattern before and after digestion. I tried different enzymes. Of course a tried to purify my PCR before digestion (phenol/chl/pcp....). Any advice would be appreciated.

       Csaba Kiss
      csakis at
      ICQ #7911383
 MTC Karolinska Institute
    Stockholm, Sweden

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