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. 2006 Jun 8;25(13):3191–3202. doi: 10.1038/sj.emboj.7601179

Figure 2.

Figure 2

Regulation of chn and Dl expression by ebi and Su(H). (A–E) In situ hybridization patterns of chn mRNA expression in late third instar eye imaginal discs. The double arrow indicates anterior (A) and posterior (P). (A) In wild-type discs, chn is highly expressed around the MF. chn expression was reduced in differentiating ommatidia (A′). (B) ebiP7/ebiE4. In ebi mutants, chn expression was increased around the MF, and ectopic chn expression became detectable in differentiating photoreceptor cells (B′). (C) ebiP7Su(H)2/ebiE4,+. (D) Su(H)1/Su(H)2. (E) ebiP7Su(H)2/ebiE4Su(H)1. (F–I) Dl expression was monitored by staining with anti-Dl. (F) Dl was detected in the MF (arrowhead) and in differentiating photoreceptor cells in wild-type eye discs. (G) In the ebi mutant, Dl levels were reduced in the MF and in photoreceptor cells. (H) ebiP7Su(H)2/ebiE4+. (I) Su(H)1/Su(H)2. (J) ebiP7Su(H)2/ebiE4Su(H)1.