An Arabidopsis glutathione peroxidase functions as both a redox transducer and a scavenger in abscisic acid and drought stress responses.

@article{Miao2006AnAG,
  title={An Arabidopsis glutathione peroxidase functions as both a redox transducer and a scavenger in abscisic acid and drought stress responses.},
  author={Yuchen Miao and Dong Lv and Pengcheng Wang and Xue-chen Wang and Jia Chen and Chen Miao and Chun-Peng Song},
  journal={The Plant cell},
  year={2006},
  volume={18 10},
  pages={2749-66}
}
We isolated two T-DNA insertion mutants of Arabidopsis thaliana GLUTATHIONE PEROXIDASE3 (ATGPX3) that exhibited a higher rate of water loss under drought stress, higher sensitivity to H(2)O(2) treatment during seed germination and seedling development, and enhanced production of H(2)O(2) in guard cells. By contrast, lines engineered to overexpress ATGPX3 were less sensitive to drought stress than the wild type and displayed less transpirational water loss, which resulted in higher leaf surface… CONTINUE READING
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