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dvdy23935-sup-0001-suppinfo.tif6963KSupp. Fig. S1. Explant cultures following 5 days of exposure to the SFK inhibitor PP1 that began at culture day 1. F-actin was labeled with fluorescent-phalloidin, highlighting cell–cell borders of the elongating transition zone cells. The image is the same as the PP1-treated explant shown in Figure 4C, but at higher intensity to better delineate cell morphology.

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