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Reactive Oxygen Species and Oxidative Damage in Plants Under Stress

This book provides detailed and comprehensive information on oxidative damage caused by stresses in plants with especial reference to the metabolism of reactive oxygen species (ROS). In plants, as in all aerobic organisms, ROS are common by-products formed by the inevitable leakage of electrons onto O2 from the electron transport activities located in chloroplasts, mitochondria, peroxisomes and in plasma membranes or as a consequence of various metabolic pathways confined in different cellular loci. Environmental stresses such as heat, cold, drought, salinity, heavy-metal toxicity, ozone and ultraviolet radiation as well as pathogens/contagion attack lead to enhanced generation of ROS in plants due to disruption of cellular homeostasis. ROS play a dual role in plants; at low concentrations they act as signaling molecules that facilitate several responses in plant cells, including those promoted by biotic and abiotic agents. In divergence, at high levels they cause damage to cellular constituents triggering oxidative stress. In either case, small antioxidant molecules and enzymes modulate the action of these ambivalent species.

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Produktbeschreibung

This book provides detailed and comprehensive information on oxidative damage caused by stresses in plants with especial reference to the metabolism of reactive oxygen species (ROS). In plants, as in all aerobic organisms, ROS are common by-products formed by the inevitable leakage of electrons onto O2 from the electron transport activities located in chloroplasts, mitochondria, peroxisomes and in plasma membranes or as a consequence of various metabolic pathways confined in different cellular loci. Environmental stresses such as heat, cold, drought, salinity, heavy-metal toxicity, ozone and ultraviolet radiation as well as pathogens/contagion attack lead to enhanced generation of ROS in plants due to disruption of cellular homeostasis. ROS play a dual role in plants; at low concentrations they act as signaling molecules that facilitate several responses in plant cells, including those promoted by biotic and abiotic agents. In divergence, at high levels they cause damage to cellular constituents triggering oxidative stress. In either case, small antioxidant molecules and enzymes modulate the action of these ambivalent species. 

Inhaltsverzeichnis

Production sites of reactive oxygen species (ROS) in organelles from plant cells.- What do the mitochondrial antioxidant and redox systems have to say under salinity, drought and extreme temperature?.- ROS as key players of abiotic stress responses in plants.- Redox regulation and antioxidant defence during abiotic stress: What have we learned from Arabidopsis and its relatives?.- ROS signaling: Relevance with site of production and metabolism of ROS.- Heavy metal-induced oxidative stress in plants: Response of the antioxidative system.- Arsenic and chromium induced oxidative stress in metal accumulator and non-accumulator plants and detoxification mechanisms.- Phytochelatin and oxidative stress under heavy metal stress tolerance in plants.- General roles of phytochelatins and other peptides in plant defense mechanisms against oxidative stress/primary and secondary damages induced by heavy metals.- Role of polyphenols as antioxidants in native species from Argentina under drought and salinization.- Reactive oxygen species and plant disease resistance.- Modulation of the ascorbate-glutathione cycle antioxidant capacity by post-translational modifications mediated by nitric oxide in abiotic stress situations.- ROS-RNS-phytohormones network in root response strategy.- Relationship between changes in contents of nitric oxide and amino acid particularly proline in plants under abiotic stress.- Transgenic plants and antioxidative defense: Present and future?. 

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Produktdetails

Medium: Buch
Format: Gebunden
Seiten: 384
Sprache: Englisch
Erschienen: September 2015
Auflage: 1st ed. 2015
Sonstiges: .978-3-319-20420-8
Maße: 241 x 160 mm
Gewicht: 740 g
ISBN-10: 3319204203
ISBN-13: 9783319204208
Verlagsbestell-Nr.: 978-3-319-20420-8

Bestell-Nr.: 16202075 
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Bestell-Nr. Verlag: 978-3-319-20420-8

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Rohertrag: 39,10 €
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Deckungsbeitrag: 36,35 €

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P_ABB: Bibliographie
KNOABBVERMERK: 1st ed. 2015. 2015. xii, 370 S. XII, 370 p. 30 illus., 23 illus. in color. 235 mm
KNOSONSTTEXT: .978-3-319-20420-8
KNOMITARBEITER: Herausgegeben von Gupta, Dharmendra Kumar; Palma, Jos‚ M.; Corpas, Francisco J.
Einband: Gebunden
Auflage: 1st ed. 2015
Sprache: Englisch
Beilage(n): HC runder Rücken kaschiert

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