(A-E) Detection of fluorescence in the deep pseudopupil (left panels) and by cornea optical neutralization (right panel). (A) FRT40A/hid, (B) ninaA
1
/hid (ey-flp Rh1::GFP;ninaA
1
FRT40A/GMR-hid CL FRT40A), (C) trp
P343
/hid (ey-flp Rh1::GFP;FRT82B trp
P343
/ FRT82B GMR-hid CL), (D) trp
P343
/hid 10 day-old. 1 day-old flies were used, with the exception of the trp
P343
/hid flies, which were 10 day-old (D). Scale bar in right panels, 50 μm; in the left panels, 2μm. (E-H) ERG recordings of (E) wild type and (F) ninaA
1
/hid flies. Flies were exposed to 5 s pulses of orange light (O) or blue light (B), interspersed by 7 s, as indicated. A PDA was induced in the wild-type by blue light and terminated by orange light (arrows). (G-J) ERG response of (G) wild-type, (H) Hdc
P217
/hid, (I) trp
P343, and (J) trp
P343
/hid flies in response to a 5-s orange light stimulus.