A Drosophila fearomone response proceeds through a single glomerulus
William G Quinn
The author is at the Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. cquinn@mit.edu
Relating a particular odorant to a specific behavior has proven difficult. A recent study in Nature uses clever technology to show that fruit flies possess a specialized olfactory pathway that allows them to sense, and react to, elevated levels of carbon dioxide.
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