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PLANT AGEING

A balance to death

Leaf senescence plays a crucial role in nutrient recovery in late-stage plant development and requires vast transcriptional reprogramming by transcription factors such as ORESARA1 (ORE1). A proteolytic mechanism is now found to control ORE1 degradation, and thus senescence, during nitrogen starvation.

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Fig. 1: NLA–PHO2-mediated proteasomal degradation of ORE1 during N limitation.

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Correspondence to Salma Balazadeh or Bernd Mueller-Roeber.

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Balazadeh, S., Mueller-Roeber, B. A balance to death. Nature Plants 4, 863–864 (2018). https://doi.org/10.1038/s41477-018-0279-6

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