Article
The role of subcellular distribution of cadmium and phytochelatins in the generation of distinct phenotypes of AtPCS1- and CePCS3-expressing tobacco.
Journal of plant physiology - 15 Aug 2010
Wojas Sylwia, Ruszczyńska Anna, Bulska Ewa, Clemens Stephan, Antosiewicz Danuta Maria
Abstract excerpt
Exposure to Cd2+ leads to activation of phytochelatin synthase (PCS) and the formation of phytochelatins (PCs) in the cytosol. Binding of Cd by PCs and the subsequent transport of PC-Cd complexes to the vacuole are essential for Cd tolerance. Attempts to improve Cd detoxification by PCS overexpression have resulted in contrasting plant phenotypes, ranging from enhanced Cd tolerance to Cd hypersensitivity. In the...
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