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. 2015 Feb 12;199(4):935–957. doi: 10.1534/genetics.114.173617

Figure 1.

Figure 1

Gal4 expression in terminal filament and cap cells. (A) Schematic diagram showing somatic cell populations in the germarium, including terminal filament cells (blue), cap cells (magenta), germ-line stem cells (GSCs, orange), inner germarial sheath cells (IGS cells, also known as escort cells, turquoise), follicle stem cells (FSCs, green), follicle cells (immunostained with Fas3, blue), and germ cells (immunostained with Vasa, red). (B) Expression of previously reported Gal4 lines (bab-Gal4 and 109-53-Gal4) and Hh-pathway Gal4 insertions (hh-Gal4, boi-Gal4) in terminal filament and cap cells. (C) Five shaggy (sgg)-Gal4 lines exhibit expression in terminal filament and/or cap cells. (D) Gal4 insertions in unidentified genes exhibit expression in terminal filament and/or cap cells. Germaria in B–D are immunostained with Vasa (blue, germ cells) and either Fas3 (red, follicle cells) or FC-NA (red, high in FSCs and follicle cells). Scale bars are indicated.