Genetic Alarm Clock

Researchers identify a gene that wakes people up from sleep each day.

Written byJef Akst
| 2 min read

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WIKIMEDIA COMMONS, JORGE BARRIOS

Among the many biological functions regulated by the circadian clock is metabolism, which accelerates each morning and slows down each night. Now, researchers have pinpointed a gene that helps initiate the morning metabolism ramp up—a discovery that could provide clues for disorders such as insomnia, aging, even cancer and diabetes, according to a paper published last week in Science.

"The body is essentially a collection of clocks," co-lead researcher Satchidananda Panda of at the Salk Institute for Biological Studies, said in a press release. "We roughly knew what mechanism told the clock to wind down at night, but we didn't know what activated us again in the morning. Now that we've found it, we can explore more deeply how our biological clocks malfunction as we ...

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  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

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