Transgenic tobacco plants expressing ectopically wheat H⁺-pyrophosphatase (H⁺-PPase) gene TaVP1 show enhanced accumulation and tolerance to cadmium.

@article{Khoudi2012TransgenicTP,
  title={Transgenic tobacco plants expressing ectopically wheat H⁺-pyrophosphatase (H⁺-PPase) gene TaVP1 show enhanced accumulation and tolerance to cadmium.},
  author={Habib Khoudi and Yefa Maatar and Sandra Gouiaa and Khaled Masmoudi},
  journal={Journal of plant physiology},
  year={2012},
  volume={169 1},
  pages={98-103}
}
Cadmium (Cd) is considered an extremely significant pollutant due to its high toxicity to many organisms. Plants have evolved several mechanisms to cope with Cd, the most important of which is vacuolar sequestration. Cadmium can be directly transported into vacuoles by cations/H(+) exchangers, such as CAXs, which are energized by the pH gradient established by proton pumps. A cDNA (TaVP1) encoding wheat vacuolar H(+)-pyrophosphatase (V-H-PPase) was ectopically expressed in transgenic tobacco to… CONTINUE READING

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