Probe:	Cdx4 probe3
Probe preparation:	RNA

Structure	Level	Pattern	Image	Note
TS15: hindgut	Present	Diffuse	6A	Expression in a graded anteroposterior manner along the tail bud mesoderm, hindgut and neurothelium.
TS15: tail mesenchyme	Present	Diffuse	6A	Expression in a graded anteroposterior manner along the tail bud mesoderm, hindgut and neurothelium.
TS15: tail nervous system	Present	Diffuse	6A	Expression in a graded anteroposterior manner along the tail bud mesoderm, hindgut and neurothelium.

Structure	Level	Pattern	Image	Note
TS15: tail	Present	Regionally restricted	6A inset

Structure	Level	Pattern	Image	Note
TS15: hindgut	Weak		6B	Expression downregulated in tail bud mesoderm, neuroepithelium and hindgut.
TS15: tail mesenchyme	Weak		6B	Expression downregulated in tail bud mesoderm, neuroepithelium and hindgut.
TS15: tail nervous system	Weak		6B	Expression downregulated in tail bud mesoderm, neuroepithelium and hindgut.

Structure	Level	Pattern	Image	Note
TS15: tail	Present	Regionally restricted	6B inset	Expression boundary is shifted posteriorly compared with wild type embryos.

Structure	Level	Pattern	Image	Note
TS15: tail	Present	Regionally restricted		Authors report a less proundounced caudal shift in expression.

Structure	Level	Pattern	Image	Note
TS15: embryo	Present		6C	Expression was similar to that of wild type embryos.

Structure	Level	Pattern	Image	Note
TS15: tail	Present		6C inset	Expression was similar to that of wild type embryos.