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	Effects of Salinity on Metabolic Profiles, Gene Expressions, and Antioxidant Enzymes in Halophyte Suaeda salsa
	Wu, Huifeng ; You, Liping ; Zhang, Linbao ; Zhou, Di ; Feng, Jianghua ; Feng JH(冯江华) ; Zhao, Jianmin ; Yu, Junbao
	2012-09
关键词	Suaeda salsa Salinity Metabolomics Antioxidant enzyme activity Gene expression
英文摘要	Halophyte Suaeda salsa is native to the saline soil in the Yellow River Delta. Soil salinity can reduce plant productivity and therefore is the most important factor for the degradation of wetlands in the Yellow River Delta. In this work we characterized the salinity-induced effects in S. salsa in terms of metabolic profiling, antioxidant enzyme activities, and gene expression quantification. Our results showed that salinity inhibited plant growth of S. salsa and upregulated gene expression levels of myo-inositol-1-phosphate synthase (INPS), choline monooxygenase (CMO), betaine aldehyde dehydrogenase (BADH), and catalase (CAT), and elevated the activities of superoxide dismutase (SOD), peroxidase (POD), CAT, and glutathione peroxidase (GPx). The significant metabolic responses included the depleted amino acids malate, fumarate, choline, phosphocholine, and elevated betaine and allantoin in the aboveground part of S. salsa seedlings as well as depleted glucose and fructose and elevated proline, citrate, and sucrose in root tissues. Based on these significant biological markers, salinity treatments induced clear osmotic stress (for example, INPS, CMO, BADH, betaine, proline) and oxidative stress (for example, SOD, POD, CAT, GPx activities), disturbed protein biosynthesis/degradation (amino acids and total protein) and energy metabolism (for example, glucose, sucrose, citrate) in S. salsa.; Project of National Science & Technology Pillar Program [2011BAC02B01]; Chinese Academy of Sciences; Chinese Academy of Sciences [KZCX2-YW-223, KZCX2-YW-225]; Technology Development Program Projects of Shandong Province [2008GG20005006, 2008GG3NS0700]; CAS/SAFEA
语种	英语
出版者	SPRINGER
内容类型	期刊论文
源URL	[http://dx.doi.org/10.1007/s00344-011-9244-6]
专题	物理技术－已发表论文
推荐引用方式 GB/T 7714	Wu, Huifeng,You, Liping,Zhang, Linbao,et al. Effects of Salinity on Metabolic Profiles, Gene Expressions, and Antioxidant Enzymes in Halophyte Suaeda salsa[J],2012.
APA	Wu, Huifeng.,You, Liping.,Zhang, Linbao.,Zhou, Di.,Feng, Jianghua.,...&Yu, Junbao.(2012).Effects of Salinity on Metabolic Profiles, Gene Expressions, and Antioxidant Enzymes in Halophyte Suaeda salsa..
MLA	Wu, Huifeng,et al."Effects of Salinity on Metabolic Profiles, Gene Expressions, and Antioxidant Enzymes in Halophyte Suaeda salsa".(2012).

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