pLysS DNA

[k_levitsky at my-deja.com]

We have run into a problem:  We would like to use pLysS to minimize the
amount of leaky expression in our BL21-Codon Plus cells, but both the
pLysS and the extra codons plasmids carry the Chloramphenicol marker.
I contacted Novagen, they have to intention of re-engeneering their
pLysS to carry other markers.  Has anyone heard of a construct where
the pLysS carries an Ampicillin marker?  Has anyone tried to swap out
the Chloramphenicol marker and put in an Ampicillin one?
Thanks,
Konstantin


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