Oxalate oxidase and non-enzymatic compounds of the antioxidative system in young Serbian spruce plants exposed to cadmium stress | Zendy

Tanja Dučić | Zendy; Vuk Maksimović | Zendy; Ksenija Radotić | Zendy

Open Access

Oxalate oxidase and non-enzymatic compounds of the antioxidative system in young Serbian spruce plants exposed to cadmium stress

Author(s) -

Tanja Dučić,

Vuk Maksimović,

Ksenija Radotić

Publication year - 2008

Publication title -

archives of biological sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.217

H-Index - 25

eISSN - 1821-4339

pISSN - 0354-4664

DOI - 10.2298/abs0801067d

Subject(s) - cadmium , oxalate , glutathione , chemistry , enzyme , catechin , botany , antioxidant , biochemistry , biology , polyphenol , inorganic chemistry , organic chemistry

We studied changes in the concentrations of ascorbate and glutathione, composition of soluble phenolics, and activity of oxalate oxidase in 75-day-old Serbian spruce plants after exposure to 5 μM and 50μM cadmium for 6-48 h. The presence of OxOxactivity in a conifer species is here demonstrated for the first time. Both Cd concentrations induced a decrease of OxOxactivity in treated plants in comparison with the control at all sampling dates. The concentrations of reduced glutathione, its oxidized form, and reduced ascorbate in the plants decreased during 48-h treatment with cadmium. Among simple phenolics, only catechin increased significantly during Cd treatment

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