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The pSV-Beta-Galactosidase Control Vector is a positive control vector for monitoring transfection efficiencies of mammalian cells. The SV40 early promoter and enhancer drive transcription of the lacZ gene, which encodes the beta-galactosidase enzyme. The pSV-Beta-Galactosidase Control Vector can be transfected individually or co-transfected with your DNA of interest. Beta-galactosidase is an excellent reporter enzyme that can be assayed quickly and directly in cell extracts using spectrophotometric, fluorescent or chemiluminescent assays. The pSV-Beta-Galactosidase Vector is a modification of pRSV-beta-Gal with SV40 and pUC18 sequences substituted for RSV and pBR322 sequences. The pSV-Beta-Galactosidase Vector will express beta-galactosidase in E. coli due to the presence of the E. coli gpt promoter located upstream of the lacZ gene. Colonies of E. coli containing the pSV-Beta-Galactosidase Vector will appear blue when plated on media containing X-Gal.
