Fig. 4
Wnt/β-Catenin signalling regulates osx expression. (A-I) Larvae were treated at 48hpf and fixed 12hours later. Expression of runx2a (A-C) and runx2b (D-F) is unchanged after inhibition (hs:dkk1) or over activation (hs:wnt8) of Wnt/β-Catenin signalling. (G-L) Expression of osx is reduced in hs:dkk1 and increased in hs:wnt8 larvae 12 hours after the treatment. Arrowheads point to the opercle in the high magnification images to the right of each panel. Abbreviations: cl = cleithrum. Scale bar = 50μM. (J) Quantification for presence or absence of osx staining in the opercle from G and H. Expression was normalised to the control. (K) qPCR performed in parallel on g and h confirms the effects of Wnt/β-Catenin signalling on osx expression (p<0.01 using Student's t-test). Treatments were normalised to gapdh. |
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Stage: | Pec-fin |
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Stage: | Pec-fin |