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Fig. 1
mi372 embryos exhibit slower burst swimming and weak muscle contractions. (A-E) Mechanosensory stimulation induced a wild-type embryo (48 hpf) to swim away rapidly. (F-J) Touch induced a mi372 embryo (48 hpf) to swim but only slowly. (K-N) Superimposition of movie frames showing displacement of the trunk and tail. (O) Scheme of quantitative analysis of head-tail angle (θ). (P) Histograms showing the maximum head-tail angles.
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Reprinted from Developmental Biology, 355(2), Naganawa, Y., and Hirata, H., Developmental transition of touch response from slow muscle-mediated coilings to fast muscle-mediated burst swimming in zebrafish, 194-204, Copyright (2011) with permission from Elsevier. Full text @ Dev. Biol.