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. 2013 Jan 1;140(1):176–184. doi: 10.1242/dev.088799

Fig. 5.

Fig. 5.

Abl mutant photoreceptors may transdifferentiate toward a pigment cell fate. (A-B″′) Magnified views of a wild-type ommatidium (A-A″′, GFP not shown) and an Abl mutant ommatidium (B-B″′, lack of GFP) stained with E(spl) (red, A″,B″) and So (blue, A″′,B″′) antibodies and marked by cell types. E(spl) antibody stains secondary and tertiary pigment cells (marked as P) as well as bristle cells (marked as B), whereas So antibody stains cones (marked as C) and all pigment cells, including primary pigments (marked as PP). Although the numbers of bristle cells and primary pigment cells remain the same, there are more secondary and tertiary pigment cells in the Abl ommatidium. (C) Quantification of E(spl)+, So+ and Elav+ cell density in wild-type and Abl clones at 72 hours APF. Three to five clones per marker were scored, with values plotted as mean ± s.d.