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

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Salinity-Induced Effects in the Halophyte Suaeda salsa Using NMR-based Metabolomics.htm (407bytes)
Date
2012-06
Author
Wu, Huifeng
Liu, Xiaoli
You, Liping
Zhang, Linbao
Yu, Junbao
Zhou, Di
Zhao, Jianmin
Feng, Jianghua
冯江华
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  • 物理技术-已发表论文 [4223]
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Abstract
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.
Citation
PLANT MOLECULAR BIOLOGY REPORTER,2012,30(3):590-598
URI
http://dx.doi.org/10.1007/s11105-011-0368-4
WOS:000305477900008
https://dspace.xmu.edu.cn/handle/2288/15357

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