Mesoderm migration in the Drosophila gastrula depends on the fibroblast growth factor (FGF) receptor Heartless (Htl). During gastrulation Htl is required for adhesive interactions of the mesoderm with the ectoderm and for the generation of protrusive activity of the mesoderm cells during migration. After gastrulation Htl is essential for the differentiation of dorsal mesodermal derivatives. It is not known how Htl is activated, because its ligand has not yet been identified.
Pubmed ID: 15084280 RIS Download
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