Do We Owe Our Sense of Smell to Epigenetics?

March 6, 2013

Since mammals typically have thousands of types of olfactory receptor genes, biologists have long wondered how it’s possible that each olfactory sensory neuron is equipped with only one kind. A team of researchers led by Stavros Lamvardas of the University of California, San Francisco used the Advanced Light Source’s National Center for X-ray Tomography, led by Carolyn Larabell and Mark LeGros, to help understand the unique epigenetic mechanism by which each olfactory nerve cell sequesters all but a single receptor gene. More>

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