Early senescence and cell death in Arabidopsis saul1 mutants involves the PAD4-dependent salicylic acid pathway.

@article{Vogelmann2012EarlySA,
  title={Early senescence and cell death in Arabidopsis saul1 mutants involves the PAD4-dependent salicylic acid pathway.},
  author={Katja Vogelmann and Gabriele Drechsel and Johannes Bergler and Christa Subert and Katrin Philippar and J{\"u}rgen Soll and Julia C. Engelmann and Timo Engelsdorf and Lars Matthias Voll and Stefan Hoth},
  journal={Plant physiology},
  year={2012},
  volume={159 4},
  pages={1477-87}
}
Age-dependent leaf senescence and cell death in Arabidopsis (Arabidopsis thaliana) requires activation of the transcription factor ORESARA1 (ORE1) and is not initiated prior to a leaf age of 28 d. Here, we investigate the conditional execution of events that regulate early senescence and cell death in senescence-associated ubiquitin ligase1 (saul1) mutants, deficient in the PLANT U-BOX-ARMADILLO E3 ubiquitin ligase SAUL1. In saul1 mutants challenged with low light, the switch of age-dependent… CONTINUE READING

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