Fig. 7
Insulin b Is the Upstream Ligand that Drives Melanophore Dendricity in Wanderlust (A and B) Morpholino knockdown of the ligand insulin B (insb) in bace2−/− embryos rescues the hyperdendritic melanophores, quantified in (B). The data are from three independent experiments, two-tailed t test, ∗∗∗∗p < 0.0001. (C–E) Fluorescent ISH shows zebrafish insb ligand mRNA is initially expressed ubiquitously at 24 hpf and then restricted to the head/brain region (arrowhead) in bace2−/− embryos at 48–72 hpf, sense probe controls for background signal. All bar graphs are presented as mean ± SEM. Scale bars: (A) 100 μm, (C and D) 150 μm, and (E) 200 μm. See also Figures S5 and S7. |
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Stage Range: | Prim-5 to Protruding-mouth |
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Stage: | Protruding-mouth |
Reprinted from Developmental Cell, 45(5), Zhang, Y.M., Zimmer, M.A., Guardia, T., Callahan, S.J., Mondal, C., Di Martino, J., Takagi, T., Fennell, M., Garippa, R., Campbell, N.R., Bravo-Cordero, J.J., White, R.M., Distant Insulin Signaling Regulates Vertebrate Pigmentation through the Sheddase Bace2, 580-594.e7, Copyright (2018) with permission from Elsevier. Full text @ Dev. Cell