This research could be the beginning of a new line of questions: Is the time of day of bacterial exposure important for infection? Can we optimize biotechnological processes if we take the time of day into account? Now it is demonstrated that bacteria can tell the time, they’ll have to find out why having this mechanism is an advantage for the bacteria.

Humans, animals and plants have a so-called ‘circadian rhythm’, which is an internal clock that follows a 24 hour cycle. Because it is primarily based on the natural cycle of dark and light, it is no surprise that this cycle has been found even in photosynthetic bacteria, which require light to make energy.

Can bacteria tell the time?

Humans, animals and plants have a so-called ‘circadian rhythm’, which is an internal clock that follows a 24 hour cycle. Because it is primarily based on the natural cycle of dark and light, it is no surprise that this cycle has been found even in photosynthetic bacteria, which require light to make energy. However, until now researchers could not find such mechanisms in other, non-light-using bacteria. And why is this so important? Bacteria play a big role in ecology, as well as in health and industrial biotechnology. The possibility of taking…

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