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A team of biologists has unraveled the biochemistry of how bacteria so precisely time cell division, a key element in understanding how all organisms from bacteria to humans use their biological clocks to control basic cellular functions.

The discovery, detailed in the February 19 issue of the journal Cell, provides important clues to how the biological clocks of bacteria and other “prokaryotic” cells – which lack cell nuclei – evolved differently from that of “eukaryotic” cells with nuclei that comprise most other forms of life, from fungi to plants and animals.

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