चिकित्साशास्त्र तर्फकाे नोवेल पुरस्कारको घोषना

The American scientists Jeffrey C Hall, Michael Rosbash and Michael W Young, who have won this year’s prize.

The Nobel prize in physiology or medicine has been awarded to a trio of American scientists for their discoveries on the molecular mechanisms controlling circadian rhythms – in other words, the 24-hour body clock.

According to the Nobel committee’s citation, Jeffrey C Hall, Michael Rosbash and Michael W Young were recognised for their discoveries explaining “how plants, animals and humans adapt their biological rhythm so that it is synchronised with the Earth’s revolutions.”

The team identified a gene within fruit flies that controls the creatures’ daily rhythm, known as the “period” gene. This gene encodes a protein within the cell during the night which then degrades during the day.

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