The Biochemist Blog

Accessing our inner clock

By Helen Albert, Editor

We all have an inner clock that allows us to respond appropriately to our immediate environment according to the time of day or night. The existence of such biological clocks has been known about for some time, but the specific mechanism of action was unclear. In the 1980s, three American scientists – Jeffrey Hall, Michael Rosbash and Michael Young – succeeded in isolating a gene called period that had previously been linked with disruption of the biological clock in fruit flies.