Development -- Brown et al. 130 (14): 3077 Figure IG3

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Fig. 3. Effects of altered ligand expression on receptor dimerisation. Expression of UAS-dome ${Delta}$ ${alpha}$ and UAS-dome ${Delta}$ ${omega}$ (abbreviated as UAS-ßß in the Fig.) was induced by da-Gal4. X-gal stainings show patterns of receptor dimerisation. (A-B) Embryos in which ectopic ligand expression has been induced using UAS-upd do not show ectopic X-gal staining (compare with Fig. 2B,D). (C-D) Patterns of X-gal staining are not affected in embryos deficient for upd. (E-F) Expression of a dominant negative receptor does not affect patterns of dimerisation.