Emerging research establishes a role for specialized signalling filopodia, or cytonemes, in morphogen dispersion and signalling. Previously we demonstrated that Hedgehog (Hh) morphogen is transported ...

In a second part, we use the GrabFP system to trap the Decapentaplegic (Dpp) morphogen in the extracellular space and modify its dispersal in specific regions of the tissue. Our results suggest that ...