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Fig. 5 Expression of raraa (A–D), rarab (E–H) and rarg (I–M). Refer to text for detailed descriptions. Anterior is to the left. Whole-mount embryos viewed dorsally (A,B,E,F). Flat-mount embryos seen from a dorsal view (C,D,G,H,J,K) or a lateral view (I,L,M). raraa expression and egr2b expression in the hindbrain at 11 hpf (A,B) and 24 hpf (C,D). Open black arrowhead marks anterior boundary of raraa expression in the posterior hindbrain (A,C,D). rarab and egr2b expression in the hindbrain at 11 hpf (E,F) and 24 hpf (G,H). Open black arrowhead marks anterior boundary rarab expression in the posterior hindbrain (E,F). Arrowhead marks the anterior boundary of rarab expression in medial hindbrain (G,H). Magnified view of rarg expression in the neurocranium and arches (I) and hindbrain striping (J) at 48 hpf. rarg tail expression at 10 hpf (K), 24 hpf (L) and 48 hpf (M). Abbreviations: ancr, anterior neurocranium; ba, branchial arches; c, cerebellum; nt, notochord; ov, otic vesicle; pa1, pharyngeal arch 1; pa2, pharyngeal arch 2; r3, rhombomere 3; r5, rhombomere 5; tb, tailbud. Scale bar represents 115 μm in 5A,B,E,F; 104 μm in 5C,D,G,H; 51 μm in 5I; 73 μm in 5J; 16 μm in 5K; 88 μm in 5L,M.
Reprinted from Gene expression patterns : GEP, 6(5), Hale, L.A., Tallafuss, A., Yan, Y.L., Dudley, L., Eisen, J.S., and Postlethwait, J.H., Characterization of the retinoic acid receptor genes raraa, rarab and rarg during zebrafish development, 546-555, Copyright (2006) with permission from Elsevier. Full text @ Gene Expr. Patterns