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Figure 5


Fig. 5. NvFGFRa signalling is required for the expression of FGF pathway components and expansion of the apical organ in NvFGFa2 morphants. (A-O) In situ hybridisation of 48-hpf planulae. (A-L) Lateral views, aboral pole to the left; injected morpholinos are indicated to the left of the panels, probes above. NvFGFa1 and NvFGFRa are required for their own transcription. (M-O) In situ hybridisation of 48-hpf planulae probed with NvFGFa1. (M) NvFGFa2 MO-injected planula; (N) planula co-injected with NvFGFa2 and NvFGFRa MOs; (O) planula injected with the NvFGFa2 MO and treated with 20 µM SU5402 from 20 hpf on.