Fig. 5. Cell death analysis in wild-type and dronc mutant embryos. (A,D) Wild-type (wt) embryos stained with TUNEL (A) and CM1 antibody (D). CM1 labels activated DrICE (Yu et al., 2002). (B-F) Maternally and zygotically mutant dronc^I24 (B,E) and dronc^I29 (C,F) embryos labeled with TUNEL (B,C) and CM1 antibody (E,F). Despite the strong reduction in labeling signal, there were still a few TUNEL- and CM1-positive cells in dronc mutant embryos.