Abstract:For decades, the vinegar fly Drosophila melanogaster has provided a window into the structure and function of the insect olfactory system, revealing a remarkable organizational correspondence between insects and vertebrates. In both clades, olfactory sensory neurons expressing the same class of sensory receptor proteins exclusively target a dedicated neuropil known as a glomerulus. Here, we review recent evidence from Drosophila and other Dipteran taxa that challenges this canonical view, showing widespread co… Show more
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