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Figure 5

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ZDB-IMAGE-240116-5
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Figures for Wang et al., 2023
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Figure 5 Body curvature caused by disturbance of CPG.

(A) Dorsal view fluorescent snapshots of the spinal cord of WT and slc6a9m/m zebrafish in a Tg(elavl3-H2B-GCaMP6s) background at 24 hpf. ROI is circled and numbered as 1–4. Lower panel shows quantification of fluorescence changes in the ROIs of WT and slc6a9m/m zebrafish. Each frame was taken with a 100 ms exposure and at 10 fps. GCaMP6s fluorescence intensity was defined as the ΔF/F, and ΔF/F changes within a 20-second recording time are shown. (B) Quantification of left and right alternation index in WT (n = 6) and slc6a9m/m (n = 6) zebrafish. This analysis was performed based on quantified intensities of total left- and right-side neural activities within a 1-minute recording time period. Unpaired Student’s t test. ****P < 0.0001. (C) Frequency of neural activities in WT (n = 6) and slc6a9m/m (n = 6) zebrafish. Frequency (Hz) was calculated based on left-side neural activity. Unpaired Student’s t test. ****P < 0.0001. (D) Spinal curvature of dmrt3a mutant zebrafish at 21 dpf. (E) Curvature phenotype and micro-CT images of dmrt3a mutant zebrafish at 120 dpf. Images are shown in either side or dorsal view. To detect the details of apices of curvatures, the 2 curvature regions (areas 1 and 2) of dmrt3am/m zebrafish are enlarged and oriented in different angles (right). Note that all highlighted adjacent vertebrae (arrows) are morphologically normal. Scale bars: 200 μm (A); 2 mm (D, E, right); 1 cm (E, left). Boxes show median and IQRs with all individual data points superimposed. Number of analyzed fish and the penetrance of curvature (θ ≥10°) are quantified and indicated for each genotype. Unpaired Student’s t test (B and C) or 1-way ANOVA test (D). ***P < 0.001; ****P < 0.0001.

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This image is the copyrighted work of the attributed author or publisher, and ZFIN has permission only to display this image to its users. Additional permissions should be obtained from the applicable author or publisher of the image. Full text @ Journal of Clin. Invest.