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Título

Function of trans-acting genes of theachaete-scute complex in sensory organ patterning in the mesonotum of Drosophila

AutorCelis, José F. de ; Marí-Beffa, Manuel; García-Bellido, Antonio
Palabras claveAchaete-scute gene complex
Cell-cell interactions
Cell differentiation
Drosophila
Fecha de publicación1991
EditorSpringer
CitaciónWilhelm Roux's Archives of Developmental Biology 200 (2): 64-76 (1991)
ResumenCell-cell interactions play a fundamental role in the differentiation of nervous elements in constant patterns, both during embryogenesis and imaginal development. In this paper we analyse the role of genes of theachaete-scute andEnhancer of split complexes, plus the genesextramacrochaetae, Notch, Delta, andHairless in the patterning of sensory elements in the mesonotum ofDrosophila. The phenotypes of different alleles of these genes, including lethals in genetic mosaics, reveal their participation in two processes, the singling out from epidermal cells of sensory organ mother cells and their subsequent differentiation. Studies of allelic combinations of different genes lead to a model of the genetic interactions involved in the processes of pattern formation. In this model, theachaete-scute complex plays a central role, determining sensory organ mother cells and preventing neighbouring cells from following the same developmental pathway.
Versión del editorhttp://dx.doi.org/10.1007/BF00637186
URIhttp://hdl.handle.net/10261/47834
DOI10.1007/BF00637186
ISSN0340-0794
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