CycG gain of function enhances abdominal transformations of trxG mutants. (A, D) Penetrance of A5 to A4 transformations in adult male cuticles. Effect of CycG misregulation on brm
2-induced (A) or trx
E2-induced (D) A5 to A4 transformations. (B, C) Male abdominal cuticles. Representative trx
E2/+ (B) and trx
E2/da > CycG
(C) males present, respectively, small and large light-pigmented cuticle patches on A5, denoting a partial transformation of abdominal segment A5 into A4 (white and black arrowheads). Fisher’s exact test, **P < 0.0001 (n ≥ 30). A4, A5, A6: abdominal segments 4, 5, and 6.