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The oxidative burst in plant disease resistance

Lamb, C. (Salk Institute for Biological Studies, La Jolla, CA.) ; Dixon, R.A

Annual review of plant physiology and plant molecular biology, 1997-06, Vol.48 (1), p.251-275 [Periódico revisado por pares]

United States

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Título:
The oxidative burst in plant disease resistance
Autor: Lamb, C. (Salk Institute for Biological Studies, La Jolla, CA.) ; Dixon, R.A
Assuntos: ACTIVIDAD ENZIMATICA ; ACTIVITE ENZYMATIQUE ; AGENT PATHOGENE ; BIOCHEMICAL PATHWAYS ; CHEMICAL REACTIONS ; DISEASE RESISTANCE ; ENFERMEDADES DE LAS PLANTAS ; ENZYMIC ACTIVITY ; HYDROGEN PEROXIDE ; LITERATURE REVIEWS ; MALADIE DES PLANTES ; ORGANISMOS PATOGENOS ; OXIDACION ; OXIDATION ; OXYDATION ; PATHOGENS ; PEROXIDO DE HIDROGENO ; PEROXYDE D'HYDROGENE ; PLANT DISEASES ; REACCIONES QUIMICAS ; REACTION CHIMIQUE ; RESISTANCE AUX MALADIES ; RESISTENCIA A LA ENFERMEDAD ; SIGNALS ; SUPEROXIDE DISMUTASE ; SUPEROXIDO DISMUTASA ; SUPEROXYDE DISMUTASE ; VIA BIOQUIMICA DEL METABOLISMO ; VOIE BIOCHIMIQUE DU METABOLISME
É parte de: Annual review of plant physiology and plant molecular biology, 1997-06, Vol.48 (1), p.251-275
Notas: F60
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Descrição: Rapid generation of superoxide and accumulation of H2O2 is a characteristic early feature of the hypersensitive response following perception of pathogen avirulence signals. Emerging data indicate that the oxidative burst reflects activation of a membrane-bound NADPH oxidase closely resembling that operating in activated neutrophils. The oxidants are not only direct protective agents, but H2O2 also functions as a substrate for oxidative cross-linking in the cell wall, as a threshold trigger for hypersensitive cell death, and as a diffusible signal for induction of cellular protectant genes in surrounding cells. Activation of the oxidative burst is a central component of a highly amplified and integrated signal system, also involving salicylic acid and perturbations of cytosolic Ca2+, which underlies the expression of disease-resistance mechanisms.
Editor: United States
Idioma: Inglês

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The oxidative burst in plant disease resistance

Lamb, C. (Salk Institute for Biological Studies, La Jolla, CA.) ; Dixon, R.A

United States

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