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. 2012 Nov 12;7(11):e49007. doi: 10.1371/journal.pone.0049007

Figure 4. Spatial requirement of Dl activity at the ectopic FB during wing development.

Figure 4

(A–D) Dl clones abutting the posterior (A, C) and anterior (B, D) side of the A/P boundary. (A, C) Only clones abutting the posterior side (arrowheads) abolish the expression of Wg, indicating that Dl is required in PBCs. The expression of Wg is not recovered in later stages (C). Anterior clones do not exhibit any effect on Wg expression. (E, F) Dl Ser double mutant clones abutting the posterior (E) and anterior (F) side of the boundary abolish expression of Wg already during early stages.