Wicher, D., Hansson, B.S. (2018). The Drosophila Carbon Dioxide Receptor as Key Regulator of Odor Valence.  Neuron 97(5): 996--997.

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Note

In this issue of Neuron, MacWilliam et al. (2018) show that the insect carbon dioxide receptor can also detect odorants from different chemical classes, the valence of which is determined by whether they excite or inhibit the sensory neuron.