wingless signaling in the Drosophila eye and embryonic epidermis.

Abstract excerpt

After the onset of pupation, sensory organ precursors, the progenitors of the interommatidial bristles, are selected in the developing Drosophila eye. We have found that wingless, when expressed ectopically in the eye via the sevenless promoter, blocks this process. Transgenic eyes have reduced expression of acheate, suggesting that wingless acts at the level of the proneural genes to block bristle development....

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