DIG hybridization and Detection
KHUANG at CHEMVX.TAMU.EDU
KHUANG at CHEMVX.TAMU.EDU
Mon Oct 7 12:04:30 EST 1996
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Date: Mon, 7 Oct 1996 12:03:37 -0500 (CDT)
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Date: Mon, 7 Oct 1996 12:03:36 -0500 (CDT)
From: KHUANG at chemvx.tamu.edu
To: methods at net.bio.net
Message-Id: <961007120336.20c25e1e at chemvx.tamu.edu>
Subject: RE: DIG labelling and detection
Hi, Lum,
Maybe you should check
(1). Your 280 bp probe is really no problem. I met the same case a few month
ago, I got a pcr product, I only sequenced partly and found it show homologies
with the genes what I want. But when I used it as a probe to screen library
and do Southern blotting, No positive result were got, then I sequenced this
pcr product completely, I found it was from single primer.
(2). Increase your probr to 1 ug and do the control by using 10 ng pcr product.
(3). Treat your gel in 0.25N HCl for 20 min
Hope this help.
Huang
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