Neuron's function revealed
4,960 views · Published 14 September 2009 · 0:11 · Indexed 30 September 2026
Channel: Berkeley Lab · 2009 · Science & Technology
There's a new way to explore biologys secrets. With a flash of light, scientists from the U.S. Department of Energys Lawrence Berkeley National Laboratory and the University of California, Berkeley zeroed in on the type of neural cell that controls swimming in larval zebrafish. Using innovative light-activated proteins and gene expression techniques, the scientists zapped several zebrafish with a pulse of light, and initiated a swimming action in a subset of fish that was traced back to the type of neuron that drives the side-to-side motion of their tail fins. The technique behind this needle-in-haystack search for the neural roots of a specific behavior could become a powerful way to learn how any biological system works. http://newscenter.lbl.gov/press-releases/2009/09/16/light-activated-protein/
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