Phytochelatins and their roles in heavy metal detoxification.

  title={Phytochelatins and their roles in heavy metal detoxification.},
  author={Christopher S. Cobbett},
  journal={Plant physiology},
  volume={123 3},
Plants respond to heavy metal toxicity in a variety of different ways. Such responses include immobilization, exclusion, chelation and compartmentalization of the metal ions, and the expression of more general stress response mechanisms such as ethylene and stress proteins. These mechanisms have been reviewed comprehensively by Sanita di Toppi and Gabbrielli (1999) for plants exposed to Cd, the heavy metal for which there have been arguably the greatest number and most wide-ranging studies over… CONTINUE READING