PA, a stress-induced short cut to switch-on ethylene signalling by switching-off CTR1?

@article{Testerink2008PAAS,
  title={PA, a stress-induced short cut to switch-on ethylene signalling by switching-off CTR1?},
  author={Christa Testerink and Paul B Larsen and Fionn McLoughlin and Dieuwertje van der Does and John A J van Himbergen and Teun Munnik},
  journal={Plant signaling & behavior},
  year={2008},
  volume={3 9},
  pages={681-3}
}
Constitutive triple response 1 (CTR1) is a protein kinase that represses plant responses to ethylene. Recently, we have shown that CTR1 function is negatively regulated by the lipid second messenger phosphatidic acid (PA) in vitro.1 PA was shown to inhibit (1) CTR1's protein kinase activity, (2) the intramolecular interaction between N-terminus and kinase domain, and (3) the interaction of CTR1 with the ethylene receptor ETR1. PA typically accumulates within minutes in response to biotic or… CONTINUE READING

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