E. coli XL1 Blue MR follow up

Mikhail Alexeyev malexeyev at biost1.thi.tmc.edu
Tue Apr 16 14:03:55 EST 1996

In article <dkearns-1604961355520001 at shimkets_si.mib.uga.edu>,
dkearns at uga.cc.uga.edu (Dan Kearns) wrote:

>    If any one knows of a strain that is very similar to XL1 MR (lacking
> alpha complementation) and is lacY+ and LacZ- please let me know.

I still have a stab with E. coli JC7623 derivative that has lacZ
inactivated by insertion of Cm-res gene. Other markers are: recBC, sbcB,
strA, leu-6, his-4, ara14, F-, lambda-. Drop me a line if interested

M. Alexeyev.

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