Video 11. Live imaging of stage 39–40 mScarlet-Pcna-positive non-dividing epithelial cell nucleus (shown in Figure 4—figure supplement 1).

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Intensity profiles were extracted from within the nucleus (yellow circle). The cell does not divide over the course of the time-lapse. A decrease of mScarlet-Pcna levels over time is indicative of cells in the G1 phase of the cell cycle. Time in hours. n = 9 mScarlet-Pcna-positive non-dividing epithelial cells. Scale bar = 5 µm.