NickelMaghrebV1, Main, Exploration, bibRecord, 000C84

Nickel-induced oxidative damage and antioxidant responses in Zea mays shoots

Identifieur interne : 000C84 ( Main/Exploration ); précédent : 000C83; suivant : 000C85

Nickel-induced oxidative damage and antioxidant responses in Zea mays shoots

Auteurs : Salem Baccouch [Tunisie] ; Abdelilah Chaoui [Tunisie] ; Ezzeddine El Ferjani [Tunisie]

Source :

Plant Physiology and Biochemistry [ 0981-9428 ] ; 1998.

RBID : ISTEX:63E4F07F87813798C902E8C71C4F1BD30DF28C3B

Descripteurs français

Pascal (Inist)
- Antioxydant, Défense organisme, Dégât, Détoxication, Induction, Lipide, Membrane plasmique, Nickel, Peroxydation, Phytotoxicité, Stade juvénile plante, Zea mays.
Wicri :
- topic : Nickel.

English descriptors

KwdEn :
- Antioxidant, Damage, Defense, Detoxication, Induction, Lipids, Nickel, Peroxidation, Phytotoxicity, Plant juvenile growth stage, Plasma membrane, Zea mays.

Abstract

Zea mays (cv. LG 23/01) seedlings precultured in hydroponic culture for seven days were treated with 250 μM NiCl2 for five days. Several metabolic parameters representative of oxidative damage and antioxidant activity in shoots were regularly studied after the metal treatment. Two days after Ni-application, membrane lipid peroxidation intensified. A stimulation of guaiacol peroxidase (EC 1.11.1.7) activity was recorded. Analysis of the profile of anionic isoenzymes of guaiacol peroxidase revealed quantitative changes occurring during Ni-exposure. Superoxide dismutase (EC 1.15.1.1) activity was stimulated early and transiently. Later, the activities of ascorbate peroxidase (EC 1.11.1.11), catalase (EC 1.11.1.6) and glutathione reductase (EC 1.6.4.2) increased. The results are discussed with regard to nickel-induced oxidative stress and potential antioxidant reactions.

Url:

https://api.istex.fr/document/63E4F07F87813798C902E8C71C4F1BD30DF28C3B/fulltext/pdf

DOI: 10.1016/S0981-9428(98)80018-1

Affiliations:

Tunisie

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<front><div type="abstract" xml:lang="en">Zea mays (cv. LG 23/01) seedlings precultured in hydroponic culture for seven days were treated with 250 μM NiCl2 for five days. Several metabolic parameters representative of oxidative damage and antioxidant activity in shoots were regularly studied after the metal treatment. Two days after Ni-application, membrane lipid peroxidation intensified. A stimulation of guaiacol peroxidase (EC 1.11.1.7) activity was recorded. Analysis of the profile of anionic isoenzymes of guaiacol peroxidase revealed quantitative changes occurring during Ni-exposure. Superoxide dismutase (EC 1.15.1.1) activity was stimulated early and transiently. Later, the activities of ascorbate peroxidase (EC 1.11.1.11), catalase (EC 1.11.1.6) and glutathione reductase (EC 1.6.4.2) increased. The results are discussed with regard to nickel-induced oxidative stress and potential antioxidant reactions.</div>
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Serveur d'exploration sur le nickel au Maghreb

Nickel-induced oxidative damage and antioxidant responses in Zea mays shoots

Nickel-induced oxidative damage and antioxidant responses in Zea mays shoots

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Serveur d'exploration sur le nickel au Maghreb
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