(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 3. Transcriptional activation is associated with a severalfold increase in transgene array volume. GFP/lac-repressor signals from transgene arrays in PALZ39E cells from an inducible culture. Projections of confocal image stacks are shown. (A) Uninduced X-Gal-negative cells. (B) Induced X-Gal-positive cells. DNA counterstain in blue. Scale bar is for all images.