Those who lack the ability to wake up early in the morning can now blame their genes.
Those who would much rather prefer to burn the midnight oil than get up early in the morning can find solace in a new research that suggests they might begenetically predisposed to being nocturnal. It is your genes that allow you to be more productive at night-time instead of the day.
Researchers from the University of Leicester in the UK have identified about 80 genes that are closely linked to a preference for either morningness or eveningness. Though these genes were identified in fruit flies and appear unrelated to your own body clock, most of these buggers are found in us mammals as well.
There's ample research to suggest that many people have experienced their productivity soaring when the sun isn't visible anywhere in the sky. This preference to work either early in the day or late at night is referred to as chronotype. While multiple studies have been commissioned to study the effects of this chronotype, there hasn't been much investigation into what actually causes these differences, until now, said Eran Tauber, a member of the research team.
"In this new study, we have used fruit flies [Drosophila melanogaster], whose gene clocks are very similar to [a] human's, to get a first insight into the molecular basis of 'morningness/eveningness' preference. Because this genetic system is so similar between insects and human[s], there is a good chance that some of the genes that we have identified in flies, would be also important for diurnal preference in humans."
Having compared two groups with opposite daytime preference for activity, the scientists zeroed-in on 80 genes that appear to be linked to the flies' chronotypes. However, these genes don't actually regulate body clock, but are intricately involved in a range of molecular pathways, shared lead researcher Ezio Rosato,
"This changes our view of the body clock, from a pacemaker that drives rhythms to a time reference system that interacts with the environment."
What's even more peculiar is the fact that that the molecular processes in the night owl flies weren't just delayed compared to the early birds – they were completely different.
Identifying the primary reason for our preferences was just phase one, assured the researchers. The ultimate goal is to help people overcome their "unnatural" lifestyle, which could prevent a range of lifestyle related diseases like obesity and depression.
It seems scientists are finding someone to blame for the unhealthy habits we humans have so actively cultivated.
[Image Credit | Medic Magic]
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