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Figure 1


Fig. 1. Expression of hnRNP K in whole-mount embryos. (A) Stage 10 gastrula; hnRNP K was found in all germ layers, but was most intense in mesectoderm (M). yp, yolk plug. (B) Stage 15 neural plate; hnRNP K staining intensified in mesectoderm. NF, neural plate and adjacent neural folds; NC, notochord; SM, somitic mesoderm. (C-F) Stage 22 tailbud (C), stage 37/38 tadpole (D), stage 42 tadpole (E,F). hnRNP K was abundant in brain and spinal cord (SC), in aligned nuclei of somitic muscle (unlabeled arrowheads) and all retinal layers by stage 42 (E). OV, optic vesicle; RGC, retinal ganglion cell layer; IN, interneuron layer; PR, photoreceptor layer; CF, choroidal fissure. NC, notochord. Scale bars: in A, 100 µm for A-D; 50 µm in E,F.