Protein phosphatase type 2C PP2CA together with ABI1 inhibits SnRK2.4 activity and regulates plant responses to salinity

@inproceedings{Krzywiska2016ProteinPT,
  title={Protein phosphatase type 2C PP2CA together with ABI1 inhibits SnRK2.4 activity and regulates plant responses to salinity},
  author={Ewa Krzywińska and Anna Kulik and Maria Bucholc and Mar{\'i}a Ang{\'e}lica Fern{\'a}ndez and Pedro Yoelvys de la F{\'e} Rodr{\'i}guez and Grażyna Dobrowolska},
  booktitle={Plant signaling & behavior},
  year={2016}
}
Protein phosphatases 2C (PP2Cs) are important regulators of plant responses to abiotic stress. It is established that clade A PP2Cs inhibit ABA-activated SNF1-related protein kinases 2 (SnRK2s). Our recently published results show that ABI1, a member of clade A of PP2C is also a negative regulator of SnRK2.4, a kinase not activated in response to ABA. Here, we show that another member of this clade - PP2CA, interacts with and inhibits SnRK2.4. The salt-induced SnRK2.4/SnRK2.10 activity is… CONTINUE READING
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