FIGURE

Fig. 4

ID

ZDB-FIG-140317-35

Publication

Barth et al., 1999 - Bmp activity establishes a gradient of positional information throughout the entire neural plate

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Fig. 4

Floorplate tissue is expanded in swr- embryos. (A-D) Dorsal views of shh (A,B, 1-2 somite stage) and twh (C,D, 3 somite stage) expression in axial tissue. shh is expressed in ectodermal and mesodermal tissue whereas by the 3 somite stage, twh is limited to ectodermal tissue (Ekker et al., 1995). The expression of both genes is slightly expanded in swr- embryos. (E-H) Whole-mount views and transverse sections of fkd4 expression in floorplate and hypochord and Ntl (Schulte-Merker et al., 1994) expression in the notochord in 15 somite stage embryos. Floorplate fkd4 expression is expanded in the swr- mutants. fp, floorplate; h, hypochord; n, notochord.

Expression Data

Genes:	foxa shha shhb tbxta
Fish:	WT bmp2b^ta72a/ta72a (TU)
Anatomical Terms:	floor plate hypochord notochord presumptive floor plate
Stage Range:	1-4 somites to 14-19 somites

Expression Detail

Antibody Labeling

Phenotype Data

Phenotype Detail

Acknowledgments

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