Amelioration of salt-induced oxidative stress in eggplant by application of 24-epibrassinolide

文献类型： 外文期刊

第一作者： Ding, H-D

作者： Ding, H-D;Zhu, Z-W;Yang, S-J;Zha, D-S;Wu, X-X;Ding, H-D;Zhu, X-H;Wu, X-X

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关键词： ascorbate peroxidase;ascorbic acid;catalase;brassinosteroids;elecrolyte leakage;glutathione;guaiacol peroxidase;ion balance;reactive oxygen species;Solanum melongena;superoxide dismutase

期刊名称：BIOLOGIA PLANTARUM （ 影响因子：1.747； 五年影响因子：2.146 ）

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收录情况： SCI

摘要： The effects of exogenous 24-epibrassinolide (EBR) on the growth, oxidative damage, antioxidant system and ion contents in eggplant (Solanum melongena L.) seedlings under salt stress were investigated. Eggplant seedlings were exposed to 90 mM NaCl with 0, 0.025, 0.05, 0.10 and 0.20 mg dm(-3) EBR for 10 d. EBR, especially at concentration 0.05 mg dm(-3), alleviated growth suppression caused by NaCl stress, decreased electrolyte leakage, superoxide production and content of malondialdehyde and H2O2 in NaCl-treated plants. EBR also increased activities of superoxide dismutase, guaiacol peroxidase, catalase and ascorbate peroxidase and the contents of ascorbic acid and reduced glutathione. Furthermore, we also found that Na+, Cl- contents were decreased, K+, Ca2+ contents and K+/Na+, Ca2+/Na+ ratios were increased in the presence of EBR under salt stress.

分类号： Q94

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