Fig. 5. Comparisons of the time lines for ecdysis-related behaviors in wild-type CantonS and in the eth deletion mutant eth^25b. See abbreviations in Table 1. (Left) Early DrmETH1 or DrmETH2 injections in CantonS induced premature ecdysis-related behaviors, but ecdysis fails. (Right) The null mutant eth^25b lacks pre-ecdysis behaviors anterior-posterior contractions (A-P) and squeezing waves (SW), and exhibits repeated ecdysis-like behavior, and delayed tracheal collapse (TC) and air inflation (AF). Injection of eth^25b flies with DrmETH1 or DrmETH2 at the dVP stage rescued the ecdysis deficiency (see text for more details).

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