Figure 4From: Enhanced transfection of cell lines from Atlantic salmon through nucoleofection and antibiotic selectionPhase contrast and fluorescent micrographs (40X objective) of GFP positive TO cells after growth in normal medium (upper panels) and after constant selection with 0.05 mg/ml blasticidin (middle panels) or after selection with 0.05 mg/ml blasticidin for 2 weeks and then normal medium for 1 week (lower panels). Scale bar = 50 um.Back to article page