Phytochelatin synthase OsPCS1 plays a crucial role in reducing arsenic levels in rice grains.

@article{Hayashi2017PhytochelatinSO,
  title={Phytochelatin synthase OsPCS1 plays a crucial role in reducing arsenic levels in rice grains.},
  author={Shimpei Hayashi and Masato Kuramata and Tadashi Abe and Hiroki Takagi and Kenjirou Ozawa and Satoru Ishikawa},
  journal={The Plant journal : for cell and molecular biology},
  year={2017},
  volume={91 5},
  pages={840-848}
}
Reduction of the level of arsenic (As) in rice grains is an important challenge for agriculture. A recent study reported that the OsABCC1 transporter prevents the accumulation of As in grains by sequestering As-phytochelatin complexes into vacuoles in the upper nodes. However, how phytochelatins are provided in response to As remains unclear. Here, we show that the phytochelatin synthase OsPCS1 plays a crucial role in reducing As levels in rice grains. Using a forward genetic approach, we… CONTINUE READING

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