Which competent E. coli cells should I use to amplify the SureSilencing shRNA Plasmids?
FAQ ID -2890

Any molecular cloning-grade strain of competent E coli cells may be used to transform and amplify the SureSilencing shRNA Plasmids. They do not need to be a high efficiency cloning strain, because you only need to amplify a pure preparation of intact, supercoiled plasmid DNA.