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Making scents of olfactory adaptation

Olfactory neurons adapt to prolonged odor exposure through calcium-calmodulin inhibition of cyclic nucleotide-gated channels. A study in this issue reveals a new mechanism for olfactory adaptation under native conditions, via unexpected binding sites.

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Figure 1: Schematic of calmodulin interaction with the olfactory CNG ion channel, based on Bradley et al.

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Adelman, J., Herson, P. Making scents of olfactory adaptation. Nat Neurosci 7, 689–690 (2004). https://doi.org/10.1038/nn0704-689

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