WALTHAM, Mass. -- For the first time, scientists have identified a protein that uses natural light to set circadian rhythms -- and the protein, found in species ranging from microbes to fruit flies to humans, isn't one that most researchers had expected to play a role in programming organisms' internal clockwork. The findings, reported by Brandeis University biologists Michael Rosbash and Jeffrey Hall in this week's issue of the journal Cell, answer a key question about circadian rhythms by pinpointing the first molecular window through which external light can reset internal biological clocks.
The above story is based on materials provided by Brandeis University. Note: Materials may be edited for content and length.
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