Signalling by bone morphogenetic proteins (BMPs) acts in a conserved all-or-none fashion to repress the expression of all neural genes in the epidermal ectoderm of bilaterian embryos. The ...
In the Drosophila embryo, neural prepatterning has been studied mostly in the developing ventral cord. A gradient of the transcription factor Dorsal (Dl) determines the position and extent of the ...
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