Phytochelatins Bind Zn (II) with Micro- to Picomolar Affinities without the Formation of Binuclear Complexes, Exhibiting Zinc Buffering and Muffling Rather than Storing Functions ...

Heavy metal contaminated soils often show increased levels of more than one metal, e.g. copper (Cu), cadmium (Cd), zinc (Zn), lead (Pb) or nickel (Ni). In case such soils are used for crop production, ...

Phytochelatins have been known in plants as a means of detoxifying heavy metals for some 15 years. Phytochelatin synthase works by polymerizing glutathione, a sulfur-rich peptide with a high ...