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Development. 1993 Feb;117(2):441-50.

Postembryonic patterns of expression of cut, a locus regulating sensory organ identity in Drosophila.

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  • 1Hutchinson Cancer Research, Seattle, Washington 98104.


The cut locus is both necessary and sufficient to specify the identity of a class of sensory organs in Drosophila embryos. It is also expressed in and required for the development of a number of other embryonic tissues, such as the central nervous system, the Malpighian tubules and the tracheal system. We here describe the expression of cut in the precursors of adult sensory organs. We also show that cut is expressed in cells of the prospective wing margin and correlate the wing margin phenotype caused by two cut mutations with altered cut expression patterns. Finally, we observe cut-expressing cells in other adult tissues, including Malpighian tubules, muscles, the central nervous system and ovarian follicle cells.

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