We calibrated the mtDNA tree by setting the clock-rate prior for each gene to a uniform distribution with bounds of 0.00734 and 0.00393 (COI) and 0.00486 and 0.00260 (16S).
In Arabidopsis, photoreceptor phytochromes and cryptochromes are involved in setting the clock by transducing the light signal to the core clock, and all photoreceptor genes are regulated by the clock [ 55].
He proposed setting the clock forward by 80 minutes in four steps over April, and then reversing it in September.
In 1907 an Englishman, William Willett, campaigned for setting the clock ahead by 80 minutes in four moves of 20 minutes each during April and the reverse in September.
cAMP CREB signalling plays a fundamental role in regulating the circadian clock, both at the level of clock gene rhythmicity, and by setting the phase of the clock in response to environmental time signals such as light.
A. The chief practical reason for setting the clock an hour later for a certain period of the year, so that the sun sets later by the clock, is not to "save" daylight, but to make daylight hours coincide more closely with the time when most people use energy.
With his country's economy seeming to wind down by the day, Thaksin Shinawatra, the prime minister of Thailand, and his government are considering whether they might not hasten a return to better days by setting the country's clocks ahead.
Although it took me 29 minutes to set the clock, and by the end my fingers were cramped, I scarcely noticed any time had passed at all.
Finally, they would set the clock at B back by this limiting amount.
By putting forth even this highly conditional proposal, Mr. Schulze has set the clock ticking.
