Figure 3.

Locomotion defects in HS biosynthetic mutants. Locomotion was quantified as the number of muscular body contractions per minute during larval crawling. Error bars represent SEM. **p < 0.001 relative to +/+ and the relevant heterozygotes. ⁽**⁾p < 0.001 compared with ttv heterozygotes. Sample numbers (n) are shown below the graph. Both sfl and ttv mutants show a crawling defect. This defect is rescued in ttv mutants by Ttv-myc expression with elav-Gal4 or G14-Gal4, but is not significantly rescued with da-Gal4.