Effect of exogenous selenium supply on photosynthesis, Na+ accumulation and antioxidative capacity of maize (Zea mays L.) under salinity stress

• Published in: Scientific reports Vol. 7; no. 1; p. 42039
• Main Authors: Jiang, Chaoqiang, Zu, Chaolong, Lu, Dianjun, Zheng, Qingsong, Shen, Jia, Wang, Huoyan, Li, Decheng
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 07.02.2017; Nature Publishing Group
• Subjects: 631/449/1736; 631/449/2661/1797; Antioxidants; Ascorbate Peroxidases - genetics; Ascorbate Peroxidases - metabolism; Ascorbic acid; Chloroplasts; Corn; Enzymes; Gene Expression Regulation, Plant - drug effects; Homeostasis; Humanities and Social Sciences; Ion Transport - drug effects; Isoenzymes - genetics; Isoenzymes - metabolism; L-Ascorbate peroxidase; Mitogen-Activated Protein Kinases - genetics; Mitogen-Activated Protein Kinases - metabolism; multidisciplinary; Peroxidase; Photosynthesis; Photosynthesis - drug effects; Photosynthesis - genetics; Plant growth; Plant Leaves - drug effects; Plant Leaves - genetics; Plant Leaves - metabolism; Plant Roots - drug effects; Plant Roots - genetics; Plant Roots - metabolism; Potassium - metabolism; Protective Agents - pharmacology; Reactive oxygen species; Roots; Salinity; Salinity effects; Salt tolerance; Science; Seedlings - drug effects; Seedlings - genetics; Seedlings - metabolism; Selenium; Selenium - pharmacology; Shoots; Sodium - metabolism; Sodium chloride; Sodium-Hydrogen Exchangers - genetics; Sodium-Hydrogen Exchangers - metabolism; Stress, Physiological; Studies; Superoxide dismutase; Superoxide Dismutase - genetics; Superoxide Dismutase - metabolism; Ultrastructure; Zea mays; Zea mays - drug effects; Zea mays - genetics; Zea mays - metabolism

The mechanism of selenium-mediated salt tolerance has not been fully clarified. This study investigated the possible role of selenium (Se) in regulating maize salt tolerance. A pot experiment was conducted to investigate the role of Se (0, 1, 5 and 25 μM Na 2 SeO 3 ) in photosynthesis, antioxidative...