E. coli mutator strains

[Gregory May]

In article <3tgsc9$p9r at riscsm.scripps.edu>, susan_forsburg at qm.salk.edu 
says...

>Stratagene just sent me a flyer about XL1-Red (I have no affiliation 
>with them).  The strain has *three* different mut mutations and must be 
>unstable as all get-out, but they claim a high level of plasmid hits 
>just in the process of forming colonies on plates.  Sounds like a great 
>idea to me and much much nicer than PCR or hydroxylamine.  They are 
>selling competent cells.  I dont know how much they cost.
>
>susan
>susan_forsburg at qm.salk.edu
>
>

They want $245 for 5 tubes of competent cells.  A on the
expensive side but if they work, who cares.  We have considered
using them for mutagenesis as well.

  Gregory May
  gsmay at bcm.tmc.edu