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. Author manuscript; available in PMC: 2016 Mar 7.
Published in final edited form as: Dev Biol. 2010 May 19;344(1):377–389. doi: 10.1016/j.ydbio.2010.05.016

Fig. 3.

Fig. 3

Inhibition of Nodal/Vg1 signaling ventral/posteriorizes amphioxus embryos. 50 μM SB505124, which inhibits signaling by Nodal, Vg1 and Activin, was added at the early blastula unless otherwise indicated. Side views. Anterior to left. (A-J) Mid-gastrula stage. Expression of dorsal and anterior markers except for FoxQ2 is eliminated. (K-H’) Mid-late neurulae. The earlier SB505124 is added, the more severe the ventralization and the greater the foreshortening.