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Fig. 1. Expression pattern of the Xenopus retinoblastoma gene. XRb expression was analysed by whole mount in situ hybridisation (stained in purple) in embryos at a range of stages. XRb is expressed in the anterior placodes (P) from stage 16 and increases by stage 19, especially in the optic vesicles (OV). Between stages 26 and 30, strong expression is seen in the optic vesicles, neural tube (NT) and branchial arches (BA). (A) Stage 16, anterior view; (B) stage 19, anterior view; (C) stage 26, lateral view; (D) stage 28, dorsal view; (E) stage 30, lateral view. Anteriors to the right (C, D, E). |
