Fig. 5. vri overexpression induces atrophy of embryonic epidermis, adult wing and thoracic hairs. (A) Wild-type embryo. (B) UAS-vri1⁶/pnr-GAL4 dead embryo showing atrophic dorsal epidermis and anterior hole and head defects. (C) pnr-GAL4/UAS-rbf dead embryo with a similar phenotype. (D) Wild-type wing. (E) vg-GAL4/+; UAS-vri1¹³/+ wing at 29°C showing notching at the margin. (F) vg-GAL4/+; UAS-rbf/+ wing at 25°C with notching of the posterior margin. (G) Scanning electron micrographs of wild-type thorax. (H) hsp70-GAL4/UAS-vri1⁹ thorax at 29°C showing atrophic macrochaete. (I) hsp70-GAL4/UAS-rbf thorax at 29°C with a similar phenotype.

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