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. 2016 Dec 21;6(12):160229. doi: 10.1098/rsob.160229

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© 2016 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 7. — DA and OA are necessary and sufficient to modulate phototactic behaviour, but with opposite effects. (a,b) Photopreference from flies with (a) and without (b) wings before, during and after DA or OA/TA neuron silencing. (a) Randomized block design ANOVA, block p = 0.026, interaction genotype versus temperature p < 0.001, simple effects with Tukey's post hoc test (p < 0.05, least-significant difference = 0.24, tdc2>shi^ts least-significant difference = 0.263): shi^ts/+ p = 0.208, th-GAL4/+ p = 0.417, tdc2-GAL4/+ p = 0.428, th>shi^ts p < 0.001, tdc2>shi^ts p = 0.242. n = 6 except for tdc2>shi^ts RT* (n = 5). (b) Randomized block design ANOVA, block p = 0.006, interaction genotype versus temperature p = 0.02, simple effects with Tukey's post hoc test (p < 0.05, least-significant difference = 0.278, tdc2>shi^ts least-significant difference = 0.288): shi^ts/+ p = 0.533, th-GAL4/+ p = 0.394, tdc2-GAL4/+ p = 0.6, th>shi^ts p = 0.262, tdc2>shi^ts p < 0.001. n = 6 except for tdc2>shi^ts RT* (n = 5). (c,d) Photopreference from flies with (c) and without (d) wings before, during and after DA or OA neuron activation. (c) The Kruskal–Wallis test for temperature factor comparison within genotypes (alpha after correction = 0.013): trpA¹/+ p = 0.012, th-GAL4/+ p = 0.069, tdc2-GAL4/+ p = 0.667, th>trpA¹ p = 0.97, tdc2>trpA¹ p = 0.004. th-GAL4/+ and th>trpA¹, n = 6; trpA¹/+, tdc2-GAL4/+ tdc2>trpA¹, n = 7. (d) The Kruskal–Wallis test for temperature factor comparison within genotypes (alpha after correction = 0.013): trpA¹/+ p = 0.834, th-GAL4/+ p = 0.15, tdc2-GAL4/+ p = 0.126, th>trpA¹ p = 0.005, tdc2>trpA¹ p = 0.415. th-GAL4/+ and th>trpA¹, n = 6; trpA¹/+, tdc2-GAL4/+, tdc2>trpA¹, n = 7. Different letters indicate significant differences between temperatures for each genotype (only shown for genotypes where the factor temperature had a statistically significant effect). See figure 2 for detailed graph information.