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Fig. 3. Atoh1-dependent and -independent expression of atoh1 genes.
Dorsolateral views (anterior to left) showing expression of atoh1a
(A-C,G-I,M-O,S-U) and atoh1b
(D-F,J-L,P-R,V-X) in control (A-F) atoh1a
morphant (G-L), atoh1b morphant (M-R) and
atoh1a;atoh1b double morphant (S-X) embryos at the indicated
times. Expression of atoh1a at 32 hpf in mature hair cells and
putative nascent hair cells is indicated in C. Arrowheads indicate observed or
expected domains of otic expression. Inset in U shows a parasagittal section
through the anterior atoh1a expression domain. Scale bar: 15 µm.
hc, mature hair cells; n, nascent hair cells.