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Titolo:
Peroxide processing in photosynthesis: antioxidant coupling and redox signalling
Autore:
Noctor, G; Veljovic-Jovanovic, S; Foyer, CH;
Indirizzi:
IACR Rothamsted, Dept Biochem & Physiol, Harpenden AL5 2JQ, Herts, EnglandIACR Rothamsted Harpenden Herts England AL5 2JQ n AL5 2JQ, Herts, England Univ Belgrade, Ctr Multidisciplinary Studies, YU-11030 Belgrade, Yugoslavia Univ Belgrade Belgrade Yugoslavia YU-11030 YU-11030 Belgrade, Yugoslavia
Titolo Testata:
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES
fascicolo: 1402, volume: 355, anno: 2000,
pagine: 1465 - 1475
SICI:
0962-8436(20001029)355:1402<1465:PPIPAC>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
CYTOSOLIC ASCORBATE PEROXIDASE; CATALASE-DEFICIENT MUTANT; HORDEUM-VULGARE-L; TRANSGENIC TOBACCO PLANTS; HYDROGEN-PEROXIDE; DEHYDROASCORBATE REDUCTASE; SPINACH-CHLOROPLASTS; GLUTATHIONE-PEROXIDASE; ARABIDOPSIS MUTANT; DISEASE RESISTANCE;
Keywords:
hydrogen peroxide; ascorbate; glutathione; catalase; 2-cys peroxiredoxin; ascorbate peroxidase;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
72
Recensione:
Indirizzi per estratti:
Indirizzo: Noctor, G IACR Rothamsted, Dept Biochem & Physiol, Harpenden AL5 2JQ, Herts, England IACR Rothamsted Harpenden Herts England AL5 2JQ Herts, England
Citazione:
G. Noctor et al., "Peroxide processing in photosynthesis: antioxidant coupling and redox signalling", PHI T ROY B, 355(1402), 2000, pp. 1465-1475

Abstract

Photosynthesis has a high capacity for production of hydrogen peroxide (H2O2), but the intracellular levels of this relatively weak oxidant are controlled by the antioxidant system, comprising a network of enzymatic and non-enzymatic components that notably includes reactions linked to the intracellular ascorbate and glutathione pools, Mutants and transformed plants with specific decreases in key components offer the opportunity to dissect the complex system that maintains redox homeostasis. Since H2O2 is a signal-transducing molecule relaying information on intracellular redox state, the pool size must be rigorously controlled within each compartment of the cell. This review focuses on compartment-specific differences in the stringency ofredox coupling between ascorbate and glutathione, and the significance this may have for the flexibility of the control of gene expression that is linked to photosynthetic H2O2 production.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/12/20 alle ore 13:33:40