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Position-specific interaction between cells of the imaginal wing and haltere discs of Drosophila melanogaster.
Authors:P N Adler
Institution:Biology Department, Gilmer Hall, University of Virginia, Charlottesville, Virginia 22901 USA
Abstract:When fragments of the imaginal wing disc from opposite ends of the disc are mixed prior to culture, intercalary regeneration occurs so that structures are produced which neither of the fragments would have produced if they had been cultured alone. I report here that fragments of the imaginal wing and haltere disc interact in a position-specific way. Mixing of homologous fragments does not result in regeneration, while mixing of fragments from opposite ends of the discs does. Thus the interaction of wing and haltere disc fragments shows the same positional specificity as the mixing of two wing fragments.
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