disappearing PCR product

Christoph Schller CS at abc.univie.ac.at
Tue Jun 15 10:33:39 EST 1993

We frequently (with different batches enzyme) observe the
disappearing of PCR products if they are EtOH prec. O/N on -20.
Has anybody else observed that? - And how to get rid of this
mysterious nuclease (phenol doesn't work).
Christoph S.

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