ABSTRACT
Environmental Problems.....................................................................................................296 16.3 Heavy Metal Detoxification Mechanisms in Plants ............................................................298 16.4 Extracellular Detoxification of Metals Other than Aluminum............................................299 16.5 Heavy Metal Detoxification through Intracellular Sequestration........................................299 16.6 Complex Formation with Phytochelatins.............................................................................300 16.7 Phytochelatins: Primary Structure and Classes ...................................................................301 16.8 Phytochelatin: Synthesis.......................................................................................................302 16.9 Phytochelatins: Induction by Heavy Metals ........................................................................304 16.10 HMW PC and Metal Tolerance...........................................................................................305 16.11 Cellular Compartmentalization of PC-Metal Complexes and Metal Tolerance ................307 16.12 Role of PCs in Detoxification of Heavy Metals Other than Cadmium .............................308 16.13 Complex Formation with Organic Acids ............................................................................309 16.14 Antioxidative System in Metal Tolerance ...........................................................................310 16.15 Metal-Metal Interactions.....................................................................................................311 16.16 Conclusion...........................................................................................................................313 References ......................................................................................................................................315
