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

被引：55

作者：

Ding, H-D ^{[1
,2
]}

Zhu, X-H ^{[2
]}

Zhu, Z-W ^{[1
]}

Yang, S-J ^{[1
]}

Zha, D-S ^{[1
]}

Wu, X-X ^{[1
,3
]}

机构：

[1] Shanghai Acad Agr Sci, Inst Hort Res, Shanghai 201106, Peoples R China

[2] Yangzhou Univ, Coll Biosci & Biotechnol, Fostering Base Natl Key Lab Crop Genet & Physiol, Yangzhou 225009, Peoples R China

[3] Shanghai Key Lab Protected Hort Technol, Shanghai 201106, Peoples R China

来源：

BIOLOGIA PLANTARUM | 2012年 / 56卷 / 04期

基金：

上海市自然科学基金; 中国国家自然科学基金;

关键词：

ascorbate peroxidase; ascorbic acid; catalase; brassinosteroids; electrolyte leakage; glutathione; guaiacol peroxidase; ion balance; reactive oxygen species; Solanum melongena; superoxide dismutase; ZEA-MAYS L; LIPID-PEROXIDATION; HYDROGEN-PEROXIDE; SEED-GERMINATION; SALICYLIC-ACID; SATIVA L; BRASSINOSTEROIDS; SALINITY; GROWTH; SEEDLINGS;

D O I：

10.1007/s10535-012-0108-0

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

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.

引用

页码：767 / 770

页数：4

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