They found an “alarm clock” in plants: it helps them sleep the right amount of time

Scientists have found that plants have a metabolic signal that helps them sleep as much as needed.

The ability to predict sunrise and estimate the length of the night and, based on this, control the metabolic process is essential for plant survival and development. It depends on the biological timekeeper or the circadian rhythm of the circadian.

The authors compared an open metabolic signal that plants have with an alarm clock: set before bed to provide the necessary amount of energy to survive the night.

To understand how sugars change the circadian clock, the researchers measured gene expression in seedlings by altering photosynthesis or sugar storage.

They found a set of genes that are regulated by a chemical compound: superoxide, a molecule associated with metabolic activity. Most of these genes are active in the evening: they turn on key genes that operate in circadian rhythms.

The authors of the study found that by suppressing superoxide production, they also suppressed the effect of sugar on these circadian clock genes in the evening.

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Alexandr Ivanov earned his Licentiate Engineer in Systems and Computer Engineering from the Free International University of Moldova. Since 2013, Alexandr has been working as a freelance web programmer.
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Alexandr Ivanov

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