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Fig. 4 | Zoological Letters

Fig. 4

From: Ancestral mesodermal reorganization and evolution of the vertebrate head

Fig. 4

Difference of Wnt/β-catenin-signalling input in the amphioxus and vertebrate dorsal mesoderm. Nuclear β-catenin staining in the Xenopus dorsal mesoderm of control embryos (ac; n = 14, 100 %), embryos injected with 400 pg/cell Xldd1 mRNA (df; n = 4, 100 %) and in the amphioxus dorsal mesoderm (gl); (gi) lateral view and (jl) dorsal view. Nuclei were stained with DAPI. The dotted white lines indicate the dorsal mesoderm. s somite

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