In article <3tgsc9$p9r at riscsm.scripps.edu>, susan_forsburg at qm.salk.edu
>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_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.
gsmay at bcm.tmc.edu