Fig. 7. vri overexpression alters trichome number, size and morphology in wing. All wings are from females. (A) A9-GAL4/+ control wing. (B) Magnified view of A9-GAL4/+ control wing around L4 vein. (C) A9-GAL4/UAS-vri1¹⁴; UAS-vri1¹³/+ wing with a slightly reduced size, enlarged cells and reduced L5 vein. Long ectopic bristles are observed (magnification in the top right-hand corner). (D) Magnified A9-GAL4/UAS-vri1¹⁴; UAS-vri1¹³/+ wing surface, around L4 vein. Larger cells are observed with multiple trichomes. (E) MS1096-GAL4/+ control wing. (F) Magnified view of MS1096-GAL4/+ control wing around L3 vein. (G) MS1096-GAL4/+; UAS-vri2⁸/+ wing. (H) Magnified MS1096-GAL4/+; UAS-vri2⁸/+ wing showing enlarged L3 vein, enlarged cell size with multiple trichomes, some of them with an abnormal morphology. (I) MS1096-GAL4/+; UAS-vri2⁸/UAS-vri2⁸ wing with a greatly reduced size and an abnormal morphology. (J) Magnified MS1096-GAL4/+; UAS-vri2⁸/UAS-vri2⁸ vein around L3 vein showing multiple trichomes with a reduced size and an abnormal differentiation.

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