Establishment and maintenance of a polarized epithelium relies on the integration of signaling cascades, acquisition of specialized trafficking circuits and establishment of a unique cytoarchitecture. Defects in any of these processes can adversely af . . .

The Drosophila epidermal growth factor receptor (EGFR) is active in different tissues and is involved in diverse processes such as patterning of the embryonic ectoderm, growth and differentiation of imaginal discs and cell survival. During oogenesis, . . .