In: Developmental Cell, 2019, vol. 50, no. 6, p. 780-792.e7
Size trade-offs of visual versus olfactory organs is a pervasive feature of animal evolution. This could result from genetic or functional constraints. We demonstrate that head sensory organ size trade-offs in Drosophila are genetically encoded and arise through differential subdivision of the head primordium into visual versus non- visual fields. We discover that changes in the temporal...
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In: Development Genes and Evolution, 2007, vol. 217, no. 3, p. 197-208
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In: Development Genes and Evolution, 2007, vol. 217, no. 3, p. 209-219
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In: Animal Behaviour, 2007, vol. 73, no. 4, p. 587-594
A variety of odorants attract Drosophila larvae, although this behaviour can be modulated by experience. For instance, larvae pre-exposed to an attractive odorant may subsequently display less attraction towards the same compound. In previous reports, this phenomenon has been interpreted as a drop in olfactory sensitivity, caused by sensory adaptation. We tried to elucidate the basis of...
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In: The Journal of Comparative Neurology, 2007, vol. 502, no. 5, p. 834-837
A simple nervous system combined with stereotypic behavioral responses to tastants, together with powerful genetic and molecular tools, have turned Drosophila larvae into a very promising model for studying gustatory coding. Using the Gal4/UAS system and confocal microscopy for visualizing gustatory afferents, we provide a description of the primary taste center in the larval central nervous...
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In: Development Genes and Evolution, 2007, vol. 217, no. 3, p. 209-219
In this paper, we address the role of proneural genes in the formation of the dorsal organ in the Drosophila larva. This organ is an intricate compound comprising the multineuronal dome—the exclusive larval olfactory organ—and a number of mostly gustatory sensilla. We first determine the numbers of neurons and of the different types of accessory cells in the dorsal organ. From...
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In: Development Genes and Evolution, 2007, vol. 217, no. 3, p. 197-208
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In: Development, 2004, vol. 131, p. 83-92
The sense organs of adult Drosophila, and holometabolous insects in general, derive essentially from imaginal discs and hence are adult specific. Experimental evidence presented here, however, suggests a different developmental design for the three largely gustatory sense organs located along the pharynx. In a comprehensive cellular analysis, we show that the posteriormost of the three organs...
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