... of Pipe may be present throughout the follicle cell layer, it would be sulfated only in the ventral follicle cells and following its secretion it would be deposited into the ventral side of the egg. There, it would assemble or activate the dorsal group serine protease cascade, leading to ventrally...

...Nielsen Q. Fernandez; Jörg Grosshans; Jason S. Goltz; David Stein Dorsal-ventral polarity within the Drosophila syncytial blastoderm embryo is determined by the maternally encoded dorsal group signal transduction pathway that regulates nuclear localization of the transcription factor Dorsal...

... morphogenesis Drosophila snail twist dorsal group Morphogenesis is the sum of the processes that create complex three dimensional forms out of simpler structures. One such process is the folding of flat, essentially two-dimensional epithelia into more complicated organs, for example during...