Localization of LL5β and CLASP1 after nocodazole and cytochalasin D treatment. (A) eGFP-LL5β localization after control DMSO (left), nocodazole (middle), and cytochalasin D treatment for 2 h. (B) Endogenous CLASP1 localization after control DMSO (left), nocodazole (middle), and cytochalasin D treatment for 1.5 h. Broken lines indicate the apical limit of the epiblast. Bars, 20 µm.