Hi,
I always used Taq for TA cloning after Pfu amplification without prior
purification. It always worked fine. I would give it a shot and if you
should have problems you can try what they say in the manual. Maybe they
are theoretically right, but the Pfu is somewhat less active after all
the cycles of the PCR reaction and so its presence does not matter anymore?
Kind regards
Soenke
Azam Rahimpour schrieb:
Hi
I need to clone a pfu amplified fragment in t-vector, in the vector manual it
is said that pfu pcr product must be purified before a tailing by tag because
pfu can remove a overhangs by its proofreading activity, but in commercial high
fidelity enzyme mixes which include a proofreading enzyme with tag we can use
pcr products directly for t/a ligation, so why in the latter case A overhangs
are not removed?
regards
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Prof. Dr. med. Soenke Behrends
Institut für Pharmakologie, Toxikologie und Klinische Pharmazie
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