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Figure 1. (A) CO2 avoidance of flies after activating TH-GAL4 neurons via dTRPA1 (B) or after blocking dopaminergic output of TH-GAL4 neurons via shits1. (C) CO2 avoidance of TH-GAL4/w1118 control flies. Flies were either starved 42 h (starved) or kept on food (fed). Error bars indicate s.e.m. (n = 9 in A, B, and C). One asterisk, P < 0.05, 3 asterisks, P < 0.001 (analysis of variance, Bonferroni's multiple comparison test).
