ZFIN Image: Hagos et al., 2007, Fig. 6

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Figure Caption

Fig. 6 oep function is not required before 3 hpf. Images of uninjected MZoep mutants (A–C), or those injected with 100 pg sOep mRNA into the YSL at 3 h (D–F) or 4 h (G–I). MZoep embryos lack all derivates of mesoderm and endoderm in the head and trunk at 24 h (A), and lack expression of cyc (B) and sqt (C) at 5 hpf. Injection of sOep mRNA at 3 hpf restores mesoderm and endoderm (D), as well as cyc (E) and sqt (F) expression. Embryos injected at 4 h are severely cyclopic, but contain trunk somites and notochord (G). Expressions of both cyc (H) and sqt (I) are severely reduced. Animal pole views, with dorsal to the right.

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Acknowledgments

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Reprinted from Developmental Biology, 309(2), Hagos, E.G., Fan, X., and Dougan, S.T., The role of maternal Activin-like signals in zebrafish embryos, 245-258, Copyright (2007) with permission from Elsevier. Full text @ Dev. Biol.