Journal
BIOLOGIA PLANTARUM
Volume 55, Issue 2, Pages 345-348Publisher
ACAD SCIENCES CZECH REPUBLIC, INST EXPERIMENTAL BOTANY
DOI: 10.1007/s10535-011-0051-5
Keywords
antioxidative enzymes; malondialdehyde; methylene blue; proline; sodium nitropruside
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Funding
- National Natural Science Foundation of Hubei province [2008CDB087]
- Chinese National Basic Research and Development Program [2006CB101607]
- 863-Hi-techresearch and Development Program of China [2006AA10Z1E4]
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The study was conducted to investigate the physiological effects of exogenous NO on potherb mustard (Brassica juncea Coss.) seedlings under salt stress. The plants were grown in Hogland nutrient solution for 15 d and treated with 150 mM NaCl, NO donor sodium nitropruside (SNP) and NO scavenger methylene blue (MB-1) for 4 d. The NaCl stress increased superoxide dismutase, peroxidase and ascorbate peroxidase activities and malondialdehyde (MDA) and free proline contents, and decreased soluble protein content. However, the application of exogenous NO limited the production of MDA and free proline, while markedly promoted SOD, POD and APX activity.
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