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Figure Caption
Fig. 3 Establishment of the BMP activity gradient in zebrafish embryos. p-Smad1/5 IF and mRFP ISH in early stages BRE-mRFP embryos. Stages and views are indicated. V, ventral; D, dorsal. Arrows indicate the extent of mRFP staining. Note that the DAPI staining at the 8-cell stage did not resolve to single nuclei as the cells are dividing very quickly.
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Reprinted from Developmental Biology, 378(2), Ramel, M.C., and Hill, C.S., The ventral to dorsal BMP activity gradient in the early zebrafish embryo is determined by graded expression of BMP ligands, 170-82, Copyright (2013) with permission from Elsevier. Full text @ Dev. Biol.