Long PCR primers

[ISOAI Atsushi]

In article <346502B0.4F9E at users.AfricaOnline.Co.Ke>,
wellcome at users.africaonline.co.ke wrote:

>Dear Colleagues,
>
>If there any risk of amplifying a fragment DNA with primer which are 50
>to 60 pb. Actually, I want to introduce a enzyme restriction site in
>these primers so that I can easily  detected them in agore or Acrylamide
>gel. Therefore I do need longer primers. But I wandering about doing a
>PCR such long oligonucleotides.

Hi,
There should be no problem if you would set up 65 - 68 degree
as anneling temp. to prevent a set of primers or primers and
template from anneling non-specifically. (From my experience,)
primers with 50 - 60 nt in the length may work fine under well-
designated PCR condition.

-- 
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  Atsushi Isoai, Ph.D.  <aisoai at agc.co.jp>
  Research Center, Asahi Glass Co.LTD., JAPAN
  URL: http://www.yk.rim.or.jp/~aisoai/molbio-j.html
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