Epidermal cell death in rice is confined to cells with a distinct molecular identity and is mediated by ethylene and H2O2 through an autoamplified signal pathway.

@article{Steffens2009EpidermalCD,
  title={Epidermal cell death in rice is confined to cells with a distinct molecular identity and is mediated by ethylene and H2O2 through an autoamplified signal pathway.},
  author={Bianka Steffens and Margret Sauter},
  journal={The Plant cell},
  year={2009},
  volume={21 1},
  pages={184-96}
}
Rice (Oryza sativa) forms adventitious root primordia at stem nodes during normal development. Root emergence is preceded by ethylene-induced, H(2)O(2)-mediated local death of epidermal cells. Exogenous H(2)O(2) or enhancement of endogenous H(2)O(2) promoted epidermal cell death in a dose-dependent manner. Inhibition of NADPH oxidase lowered ethylene-induced cell death rates. Inhibition of ethylene perception by 1-methylcyclopropene did not abolish H(2)O(2)-induced cell death, indicating that H… CONTINUE READING

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