91ÑÇÉ«´«Ã½

at the Rockefeller University and and at Brandeis University have won the for their discoveries of molecular mechanisms controlling circadian rhythm.

The oscillations of the circadian rhythm are responsible for the regular, daily functioning of countless biological processes, including sleep, metabolism, hormone regulation and body temperature. By exploring the process in fruit flies, the Nobel laureates isolated the gene that drives the oscillations by encoding a protein that accumulates in cells during the day and is degraded at night. This daily cycle, by which cellular clockwork is coupled to the Earth’s, has since been observed in plants, animals, fungi and cyanobacteria.

Michael W. Young

The Nobel Assembly at Karolinska Institutet in Sweden, which issues the prize, in a press release noted that “the seminal discoveries by Hall, Rosbash and Young have revealed a crucial physiological mechanism explaining circadian adaptation, with important implications for human health and disease.”

Young, a member of the 91ÑÇÉ«´«Ã½ and the National Academy of Sciences, earned his B.A. in biology in 1971 and his Ph.D. in genetics in 1975 at the University of Texas at Austin. He followed that up with a postdoc at Stanford University. He has been a faculty member at Rockefeller since 1978.

Young will share one-third of the $1.1 million prize with Rosbash and Hall.

“In 1930, George and Ira Gershwin published their famous jazz song, ‘I Got Rhythm.’ Well, it turns out, we all got rhythm. Even the simple fruit fly got rhythm. And, amazingly, it’s the same rhythm,” says , an endowed professor at Weill Cornell Medical College and professor emeritus at Brandeis.

Petsko continued: “(Circadian rhythm) explains why we sleep when we do and why we feel wiped out when we take a long airplane trip across many time zones. It is one of the most fundamental processes in all higher organisms. (T)hanks to the laureates, we now know the words and lyrics — i.e, the mechanism — of that rhythm as well as we do that of the Gershwins.”