E. Quantification of excretion numbers of Drosophila of indicated genotypes. Excretions are quantified in 30 fields for each group of 12 Drosophila. Tests were repeated as three independent experiments. Data information: Error bars represent SDs. The statistical tests used in other panels were student's t-tests. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001, and non-significant (NS) represents p > 0.05. 