Summary
We have analysed the role of the achaete-scute gene complex in the development of the pattern of campaniform sensilla on the wing blade of Drosophila. We show that the complete pattern results from the superimposition of two independent subpatterns, one of which depends on the achaete gene and the other on scute. The scute subpattern comprises several clusters of sensilla, most of which seem to require the presence of control regions located upstream of the transcribed region. This is in contrast with the pattern of scute-dependent bristles, most of which depends on control elements located downstream of the transcribed region.
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Leyns, L., Dambly-Chaudière, C. & Ghysen, A. Two different sets of cis elements regulate scute to establish two different sensory patterns. Roux's Arch Dev Biol 198, 227–232 (1989). https://doi.org/10.1007/BF00375909
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DOI: https://doi.org/10.1007/BF00375909