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Figure 6


Fig. 6. Zebrafish has two nrg2 genes. (A) RT-PCR showing expression of nrg2a and nrg2b at various developmental stages and in the adult brain. Whole-mount labeling of wild-type embryos showing nrg2a expression in somites (B, cross section in C) and nrg2b expression in spinal neurons at 24 hpf (D, cross section in E). Scale bar: 20 µm.