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. 2017 Jul 15;220(14):2616–2625. doi: 10.1242/jeb.152298

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© 2017. Published by The Company of Biologists Ltd

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.

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Fig. 6. — Both ocular and extraocular behavioral responses involve Smed-TrpA. (A) Representative examples of eye ablation assay. Sham controls had tissue removed posterior to the eyes, whereas eyes were surgically removed in experimental groups (double-eye ablation). Both groups were tested 24 h post-surgery. Red arrows: resected tissue. (B,C) Graphs showing avoidance responses to green (B) and near-UV (C) laser light across different treatment groups (N≥30). Double-eye-ablated worms showed a significant decrease in responses to green light, whereas near-UV-light avoidance remained similar to controls, suggesting that eyes are needed for photoreception of green (but not near-UV) wavelengths. Smed-TrpA(RNAi) significantly reduced responses to both green and near-UV light, suggesting a role for Smed-TrpA in both ocular and extraocular behavioral responses. Statistics: two sample t-test between percentages. ****P<0.0001, *P<0.05 (as compared with wild-type responses); error bars=s.d.