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Fig. 1
tbx16 expression causes cells to exit the tailbud. (A) Outline of the assay used to test and quantify the ability of ectopic tbx16 to accelerate exit from the progenitor zone. (B,C) Overlays of transplanted cells labeled with fluorescent dextran (green) on a bright-field image from wild-type (B) or HS:tbx16 (C) donor zebrafish embryos at 36 hpf. (D) Quantification of the most posterior somite occupied by a fluorescently labeled cell with fiber-like morphology in embryos heat shocked at the 10 ss. Data are significantly different (Mann-Whitney U-test, P<0.05).
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