How the Brain Decodes Odors and Computational Neuroethology with Bob Datta
Brain Ponderings podcast with Mark Mattson
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The Organization of Zebrafish Odor Receptors
In zebrafish, these are the so-called class one receptors and they're really optimized to detect, you know, odors that are effectively dissolved. So under 400 Dalton's, they have to kind of traverse the mucus layer. It's probably true that there are binding proteins that act as chaperones to help these kinds of volatile odors get across that layer for presentation to the cilia on the sensory neurons and then you detect them. In terrestrial animals, me and you, our class one receptors have largely, although not entirely pseudogenons because we don't smell underwater.
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