Identification of high levels of phytochelatins, glutathione and cadmium in the phloem sap of Brassica napus. A role for thiol-peptides in the long-distance transport of cadmium and the effect of cadmium on iron translocation.

@article{MendozaCozatl2008IdentificationOH,
  title={Identification of high levels of phytochelatins, glutathione and cadmium in the phloem sap of Brassica napus. A role for thiol-peptides in the long-distance transport of cadmium and the effect of cadmium on iron translocation.},
  author={David G Mendoza-Cozatl and Emerald Butko and Franziska Springer and Justin W. Torpey and Elizabeth A. Komives and Julia Kehr and Julian I Schroeder},
  journal={The Plant journal : for cell and molecular biology},
  year={2008},
  volume={54 2},
  pages={249-59}
}
Phytochelatins (PCs) are glutathione-derived peptides that function in heavy metal detoxification in plants and certain fungi. Recent research in Arabidopsis has shown that PCs undergo long-distance transport between roots and shoots. However, it remains unknown which tissues or vascular systems, xylem or phloem, mediate PC translocation and whether PC transport contributes to physiologically relevant long-distance transport of cadmium (Cd) between shoots and roots. To address these questions… CONTINUE READING
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