Salinity-Induced Effects in the Halophyte Suaeda salsa Using NMR-based Metabolomics

被引:15
作者
Wu, Huifeng [1 ]
Liu, Xiaoli [1 ,2 ]
You, Liping [1 ,2 ]
Zhang, Linbao [1 ,2 ]
Yu, Junbao [1 ]
Zhou, Di [1 ,2 ]
Zhao, Jianmin [1 ]
Feng, Jianghua [3 ]
机构
[1] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
[3] Xiamen Univ, State Key Lab Phys Chem Solid Surfaces, Fujian Key Lab Plasma & Magnet Resonance, Dept Elect Sci, Xiamen 361005, Peoples R China
关键词
Suaeda salsa; Salinity; Metabolic response; NMR; Metabolomics; Antioxidant enzyme activity; CLAM RUDITAPES-PHILIPPINARUM; OSMOTIC-STRESS; H-1-NMR SPECTROSCOPY; CADMIUM EXPOSURE; RESPONSES; ACCUMULATION; GROWTH; PLANTS; ROOTS; NACL;
D O I
10.1007/s11105-011-0368-4
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Suaeda salsa is a native halophyte in saline soils. Salinity is the most important environmental constraint for plant productivity in the Yellow River Delta. In this work, we investigated the salt-induced effects in root of S. salsa exposed to two environmentally relevant salinities for 1 week and 1 month using nuclear magnetic resonance-based metabolomics. Our results indicated that salt stress inhibited the growth of S. salsa and induced significant metabolic responses including decreased amino acids, lactate, 4-aminobutyrate, malate, choline, phosphocholine, and increased betaine, sucrose, and allantoin in root tissues of S. salsa. In addition, salinity exposures upregulated the activities of superoxide dismutase, glutathione S-transferases, peroxidase, catalase, and glutathione peroxidase in the aboveground part of seedlings of S. salsa after exposures. Overall, these results demonstrated the osmotic and oxidative stresses, disturbances in protein biosynthesis/degradation, and energy metabolism in S. salsa exposed to salinities.
引用
收藏
页码:590 / 598
页数:9
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