OsSPX1 suppresses the function of OsPHR2 in the regulation of expression of OsPT2 and phosphate homeostasis in shoots of rice.

@article{Liu2010OsSPX1ST,
  title={OsSPX1 suppresses the function of OsPHR2 in the regulation of expression of OsPT2 and phosphate homeostasis in shoots of rice.},
  author={Fang Liu and Zhiye Wang and Hongyan Ren and Chenjia Shen and Ye Li and Hong-Qing Ling and Changyin Wu and Xingming Lian and Ping Wu},
  journal={The Plant journal : for cell and molecular biology},
  year={2010},
  volume={62 3},
  pages={
          508-17
        }
}
Phosphate (Pi) homeostasis in plants is required for plant growth and development, and is achieved by the coordination of Pi acquisition, translocation from roots to shoots, and remobilization within plants. Previous reports have demonstrated that over-expression of OsPHR2 (the homolog of AtPHR1) and knockdown of OsSPX1 result in accumulation of excessive shoot Pi in rice. Here we report that OsPHR2 positively regulates the low-affinity Pi transporter gene OsPT2 by physical interaction and… CONTINUE READING
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