Metabolomic analysis reveals key metabolites and metabolic pathways in Suaeda salsa under salt and drought stress

被引:8
|
作者
Bao, Jinbo [1 ]
Liu, Zhiyou [2 ]
Ding, Zhijie [1 ,3 ]
Yisilam, Gulbar [1 ,3 ]
Wang, Qiuyan [1 ]
Tian, Xinmin [1 ,3 ]
机构
[1] Guangxi Normal Univ, Coll Life Sci, Key Lab Ecol Rare & Endangered Species & Environm, Minist Educ, Guilin 541004, Peoples R China
[2] City Management & Serv Ctr Tiemenguan, Tiemenguan, Xinjiang, Peoples R China
[3] Xinjiang Univ, Coll Life Sci & Technol, Xinjiang Key Lab Biol Resources & Genet Engn, Urumqi, Xinjiang, Peoples R China
基金
中国国家自然科学基金;
关键词
abiotic; ecological restoration; enrichment; metabolic profiling; osmoregulation; pathways; stress response; tolerance; EXTRACTION;
D O I
10.1071/FP23049
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Suaeda salsa is an important salt- and drought-tolerant plant with important ecological restoration roles. However, little is known about its underlying molecular regulatory mechanisms. Therefore, understanding the response mechanisms of plants to salt and drought stress is of great importance. In this study, metabolomics analysis was performed to evaluate the effects of salt and drought stress on S. salsa. The experiment consisted of three treatments: (1) control (CK); (2) salt stress (Ps); and (3) drought stress (Pd). The results showed that compared with the control group, S. salsa showed significant differences in phenotypes under salt and drought stress conditions. First, a total of 207 and 292 differential metabolites were identified in the Ps/CK and Pd/CK groups, respectively. Second, some soluble sugars and amino acids, such as raffinose, maltopentoses, D-altro-beptulose, D-proline, valine-proline, proline, tryptophan and glycine-L-leucine, showed increased activity under salt and drought stress conditions, suggesting that these metabolites may be responsible for salt and drought resistance in S. salsa. Third, the flavonoid biosynthetic and phenylalanine metabolic pathways were significantly enriched under both salt and drought stress conditions, indicating that these two metabolic pathways play important roles in salt and drought stress resistance in S. salsa. The findings of this study provide new insights into the salt and drought tolerance mechanisms of S. salsa.
引用
收藏
页码:701 / 711
页数:11
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