TP53 and Ovarian cyst: GATOR1 prevents p53 hyperactivation in Drosophila early ovarian cysts Ovaries from (A) p53R-GFP, (B) nprl21; p53R-GFP, (C) p53R-GFP;nprl31/Df, (D) p53R-GFP; iml1/Df and (E) p53R-GFP; mei-P22p22, nprl31 were stained for GFP (green) and 1B1 (red).