Odorant receptor (OR) gene choice is a paradigmatic example of stochastic regulation in which olfactory neurons choose one OR from > 1,000 possibilities. Recent biochemical, mathematical, and in vivo findings have revealed key players, introduced new axes of control, and brought the core mechanisms of the process into sharper focus.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4215173PMC
http://dx.doi.org/10.4161/trns.28978DOI Listing

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