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Fig. 6. The brk promoter integrates inputs from multiple modules.
Confocal images of wing discs (dorsal upwards, anterior leftwards) showing
reporter-lacZ (red) and omb-Gal4>UAS-eGFP
expression (green). The module number and organization (green oval represents
activator, red the SMM complex) is depicted schematically. Discs in A-C were
stained in parallel and visualized using identical settings. Graphs show
signal intensity in the red and green channels, measured at the white bar.
(A) A 1x/+ reporter containing a single copy of module-3 (L12)
was expressed in the wing pouch region lateral to omb>GFP.
(B) The 2x/+ and (C) 3x/+ reporter drive
increasingly higher levels of expression, but showed no significant overlap
with omb>GFP.