Mechanisms of efficient arsenite uptake by arsenic hyperaccumulator Pteris vittata.

@article{Wang2011MechanismsOE,
  title={Mechanisms of efficient arsenite uptake by arsenic hyperaccumulator Pteris vittata.},
  author={Xin Wang and Lena Q Ma and Bala Rathinasabapathi and Yong Cai and Yun Liu and Guang ming Zeng},
  journal={Environmental science & technology},
  year={2011},
  volume={45 22},
  pages={9719-25}
}
Arsenate (AsV) and arsenite (AsIII) are two dominant arsenic species in the environment. While arsenate uptake is via phosphate transporter in plants, including arsenic hyperaccumulator Pteris vittata , AsIII uptake mechanisms by P. vittata are unclear. In this study, we investigated AsIII uptake by P. vittata involving root radial transport from external medium to cortical cells and xylem loading. In the root symplastic solution, AsIII was the predominant species (90-94%) and its… CONTINUE READING

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