Calcium-dependent protein kinase CPK31 interacts with arsenic transporter AtNIP1;1 and regulates arsenite uptake in Arabidopsis thaliana

@inproceedings{Ji2017CalciumdependentPK,
  title={Calcium-dependent protein kinase CPK31 interacts with arsenic transporter AtNIP1;1 and regulates arsenite uptake in Arabidopsis thaliana},
  author={Ruijie Ji and Liming Zhou and Jinglong Liu and Yuan Xing Wang and Lei Yang and Qinsong Zheng and Chi Zhang and Bin Zhang and Haiman Ge and Yonghua Yang and Fugeng Zhao and Sheng Luan and Wenzhi Lan},
  booktitle={PloS one},
  year={2017}
}
Although arsenite [As(III)] is non-essential and toxic for plants, it is effectively absorbed through various transporters into the roots. Here we identified a calcium-dependent protein kinase (CPK31) response for As(III) tolerance in Arabidopsis. We identified CPK31 as an interacting protein of a nodulin 26-like intrinsic protein (NIP1;1), an aquaporin involved in As(III) uptake. Similarly to the nip1;1 mutants, the loss-of-function mutants of CPK31 improved the tolerance against As(III) but… CONTINUE READING
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