A conversation between plants' daily and aging clocks

A conversation between plants' daily and aging clocks

Scientists have found out how the two clocks talk to each other genetically. Plants' circadian clock -- the 24-hour cyclic rhythm -- plays a critical role in regulating aging, in particular in timing the yellowing of the leaves. As aging plants recycle nutrients for the new leaves and seeds, uncovering these timekeeping mechanisms is important to understand plant productivity.

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