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Contenido

This title discusses various effects of heavy metal exposure to legumes as well as the bioremediation potential of rhizosphere microbes. Availability of heavy metals, their uptake and the effects of metals on various signaling pathways within legumes are presented. Furthermore, the effects of heavy metals to nitrogen fixing microorganisms and how microsymbionts can overcome metal stress is presented in detail. The role of nitrogen fixers in decontamination of heavy metal toxicity, mycoremediation of metal contaminated soils, microbially mediated transformation of heavy metals and action of plant growth promoting rhizobacteria and nitrogen fixers together in detoxifying heavy metals are broadly explained. This volume is a useful tool for scientists, policy makers and progressive legume growers intending to develop safe and healthy legumes for future generations.

Describes recent findings on the impact of heavy metals to the performanceof legumes. Provides an exclusive view on the development of bioremediation strategies. Combines the topics of heavy metal phytotoxicity and bioremediation.

   INDICE: 1 Heavy metal availability, uptake and signalling in legumes. 2 Heavy metals as essential nutrients. 3 Effects of heavy metals on germinating efficiency of legume seeds. 4. Changes in phytohormones contents in legumes under heavy metal stress. 5 Variation in response to heavy metals during vegetative growth of legumes. 6 Rhizobium -legume symbiosis under metal stressed environment. 7 Effect of sewage sludge/heavy metals on macromolecules and yield parameters of legumes. 8 Sorption of heavy metals from aqueous solution by legumes. 9 Phytochelatin synthases of legumes in response to heavy metals. 10 Physiological process of legumes influenced by heavy metal application. 11 Heavy metal induced oxidative damage. 12 Induction of an antioxidant enzyme system and other oxidative stress markers associated with legumes. 13 Heavy metal toxicity to nitrogen fixing microorganisms. 14 How microsymbiont overcome metal stress?. 15 Bioremediation: Challenges and promises. 16 Role of nitrogen fixers in decontamination/removal of heavy metal toxicity. 17 Mycoremediation of metal contaminated soils. 18 Microbially mediated transformation of heavy metals. 19 Synergistic action of plant growth promoting rhizobacteria and nitrogen fixers in detoxifying the toxicity of heavy metals. 20 Heavy metal toxicity to humans and strategies adopted for toxicity assessment

Detalles del artículo

• Páginas : 300
• Editorial : Springer Vienna
• Idioma : Inglés
• Fecha de Publicación : 01/03/2012
• ISBN: 9783709107294
• Encuadernación : Cartoné
• Nº Volúmenes : 1
• País de Publicación : Austria