ABI 377 96-lane upgrade: does it work?

Stephen R. Lasky srlasky at cellworks.mbt.washington.edu
Tue Nov 30 05:41:03 EST 1999


Barbara Simionati wrote:
> 
> Hi,
> 
> I was wondering if, among all those people that have purcased ABI 377
> sequencer 96-lane upgrade, there is someone that have succeded in using
> it without problems of mixing lanes, and if so what is your secret.
> I am also curious to know if someone have tested the MWG "automated comb
> loading for gel based DNA sequencing systems"
> (http://www.mwgbiotech.com/products/pcr/robots/index.htm), and your
> opinions on this new system.
> 


Hi Barbara:  You mean you haven't thrown out all your 377's and switched
over to capillaries?  Just kidding, but how is your capillary working?.  

We have been using the 96 lane 377's since they came out (when was that,
two summers ago already?).  We lose about 50 bp in phred Q>20 bases, but
the increase in throughput and ease in loading a 96  well format more
than compenstates up for that.  

We are using Gel Company plates, PEB spacers and combs, and Kloen
loaders. We add matrix stds to lane 1 48 and 98 so we can find the
right, middle and left sides of the gels.  The new sofware does a much
better tracking than the old.  The only real problem is where you have a
bunch of failures or too much signal, then it gets hard to call your
lanes. Capillaries make that a moot problem.


We haven't had the problems other people seem to have had or we decided
that we could live with them.  Guess we were lucky (where's some
wood????).

srlasky

-- 
Stephen R. Lasky, Ph.D.			#
University of Washington		#
Department of Molecular Biotechnology	#
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