Plasmids 101: Common Lab E. coli Strains
Type
Blog Post
...degraded, cell still can methylate DNA
hsdS(rk-,mk-)
Unmethylated DNA not degraded, cell cannot methylate...
gal
Mutation in galactose metabolism pathway
Cells cannot grow on galactose only
gyrA, gyrA96
DNA...permease inactivated, lactose cannot be taken up by cell
mcrA, mcrBC
Inactivation of pathway that cleaves...gene that maintains the plasmids at ~250 copies per cell.
F- ∆lac169 rpoS(Am) robA1 creC510 hsdR514 endA...rpsL20 xyl-5 leu mtl-1
Stbl4
Electrocompetent cells for cloning and storage of unstable DNA and lentiviral...