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Fig. 5. Expression of four-jointed and dachsous during wing
development. Expression of VG (green), fj-lacZ (cyan),
ds-lacZ (green), DS (green) and WG (red) are shown. (A) Early (0-12
hours of third instar) disc, stained for VG and fj-lacZ. (B) Early
third instar disc, stained for ds-lacZ and WG. White bars identify WG
expression in the proximal wing. Images to the right of the dashed line show
different channels of vertical sections of the same disc. (C) Mid-late third
instar disc (24-36 hours) stained for VG and fj-lacZ. Asterisks
highlight proximal regions where VG expression remains elavated relative to
fj. (D) Early third instar disc, stained for DS and WG. DS protein is
predominantly apical (arrow). (E-G) Early (E), mid (F) and late (G) third
instar discs, stained for WG and fj-lacZ.