Figure 4
From: Slow, stochastic transgene repression with properties of a timer
Repression of GFP by clones 5, 6, and 18 with varied culture passaging conditions. (a) Fraction of cells with high GFP fluorescence. (b) Natural log of the fraction, where the dotted line is fit by linear regression. When passaging cultures daily, different fractions of culture were retained: one-half (diamonds), one-third (squares), one-quarter (triangles), one-fifth (circles), or one-sixth (crosses). (c) Repression rates (slope of ln [cell fraction]).