... in skin explants. In addition we show that FGF10 can induce expression of positive and negative regulators of feather development and can induce its own expression under conditions of low BMP signaling. Together these results demonstrate that FGF signaling is required for the initiation of feather placode...

...Florenci Serras; Scott Fraser; Cheng-Ming Chuong ABSTRACT To study the pattern of gap junctional communication in chicken skin and feather development, we injected Lucifer Yellow into single cells and monitored the transfer of the fluorescent dye through gap junctions. Dye coupling is present...

... Xenopus laevis zebrafish embryos limb development feather development The purpose of this essay is to increase awareness among modern developmental biologists of the old concepts of morphogenetic gradient fields. Fig. 1 shows a 1934 view of the amphibian neurula. Experimental embryology...