Fig. 7. SoxN is required for the upregulation of Ac expression and the initiation of Ase expression. (A) Wild-type and (B) SoxN whole-mount early stage 8 embryos stained with anti-L’sc antibody. (C) Wild-type and (D) SoxN dissected late stage 8 embryos stained with anti-Ac antibody. Note the slight reduction of Ac expression in lateral clusters. (E) Wild-type and (F) SoxN dissected late stage 9 embryos stained with anti-Ac antibody. Note the strong reduction of Ac expression in the lateral column. (G) Wild-type and (H) SoxN whole-mount stage 9 embryos stained with anti-Ase antibody. Anterior is towards the left.

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