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. 2016 May 26;6:26446. doi: 10.1038/srep26446

Figure 4. Fluorescence microscopy of eGFP gene in transfected CHO cells grown in the presence or absence of G418 selection pressure.

Figure 4

CHO cells transfected with (A) the CMV promoter-containing vector at day 30 post-transfection in the presence of selection pressure; (B) the CMV promoter-containing vector at day 78 post-transfection in the presence of selection pressure; (C) the SV40 promoter-containing vector at day 30 post-transfection in the presence of selection pressure; (D) the SV40 promoter-containing vector at day 78 post-transfection in the presence of selection pressure; (E) the CMV promoter-containing vector at day 30 post-transfection in the absence of selection pressure; (F) the CMV promoter-containing vector at day 78 post-transfection in the absence of selection pressure; (G) the SV40 promoter-containing vector at day 30 post-transfection in the absence of selection pressure; (H) the SV40 promoter-containing vector at day 78 post-transfection in the absence of selection pressure.