A map of taste neuron projections in the Drosophila CNS
Jae Young Kwon Anupama Dahanukar Linnea A Weiss John R Carlson
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We provide a map of the projections of taste neurons in the CNS of Drosophila. Using a collection of 67 GAL4 drivers representing the entire repertoire of Gr taste receptors, we systematically map the projections of neurons expressing these drivers in the thoracico-abdominal ganglion and the suboesophageal ganglion (SOG). We define 9 categories of projections in the thoracico-abdominal ganglia and 10 categories in the SOG. The projection patterns are modular, and can be interpreted as combinations of discrete pattern elements. The elements can be interpreted in terms of the taste organ from which the projections originate, the structures from which they originate, and the quality of taste information that they represent. The extensive diversity in projection patterns provides an anatomical basis for functional diversity in responses elicited by different taste stimuli.
Jae Young Kwon1 2 3 Anupama Dahanukar4 2 3 Linnea A Weiss2 John R Carlson2
Volume 48, 2023
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