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Fig. 7. Xseb4R is regulated by proneural and neurogenic genes. (A,C,E)
Dorsal views of embryos after injection of the indicated genes and stained for
Xseb4R expression (dark blue). ß-galactosidase activity is shown
in light blue. (B,D,F) One representative embryo for each injection series is
shown at high magnification. (A,B) XNgnr1 strongly activates
Xseb4R transcription in neural and non-neural ectoderm. (C,D)
XNeuroD equally induces ectopic Xseb4R expression. (E,F)
Activation of Notch signalling by injection of ICD-Notch reduces the
expression of Xseb4R.
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