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- Newsgroups: bionet.molbio.methds-reagnts
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!caen!batcomputer!cornell!uw-beaver!news.u.washington.edu!stein.u.washington.edu!wilddrb
- From: wilddrb@stein.u.washington.edu (Robert Wildin)
- Subject: Re: Result from "Primer" programme
- Message-ID: <1992Nov22.232720.10261@u.washington.edu>
- Sender: news@u.washington.edu
- Organization: University of Washington
- References: <1992Nov22.035931.25161@lugb.latrobe.edu.au>
- Date: Sun, 22 Nov 1992 23:27:20 GMT
- Lines: 29
-
- biosmd@luxor.latrobe.edu.au (Sean Davidson) writes:
-
-
- >I have been using the "Primer" programme on the published sequence of a mouse
- >gene (HSP70.1) and it reports homology in the 3' non-transcribed region, with
- >the mouse repetitve element B2.
- >My question is, could this explain why my attempts at using a probe which
- >is derived from the 3' region of this gene, has failed so far in Southern
- >blots - all I get is hybridization to apparently all DNA, even when washed
- >at 65 degrees in 0.1xSSC.
- >Does anyone know HOW homolgous the sequence has to be before Primer reports
- >it ?
-
- >Any comments appreciated,
- >Sean
- Than is almost certainly your problem. Theoretically, if you could wash
- with perfect stringency, the homology would not be detected. The problem is
- that there are so many copies of B1 and B2 elements in the genome, that
- even imperfect hybridization to a few results in a black blot.
-
- Sorry, I have no experience with primer.
-
- :w
-
- D
- A
-
-
- Sorry, I have no experience with Primer.
-