Effect of exogenous methyl jasmonate on physiological and carotenoid composition of yellow maize sprouts under NaCl stress
文献类型： 外文期刊
作者： He, Weiwei 1 ; Luo, Hao 2 ; Xu, Hao 2 ; Zhou, Zhiyi 2 ; Li, Dajing 1 ; Bao, Yihong 2 ; Fu, Qun 2 ; Song, Jiangfeng 1 ; Jiao, 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Agroprod Proc, Nanjing 210014, Jiangsu, Peoples R China
2.Northeast Forestry Univ, Coll Forestry, Harbin 150040, Heilongjiang, Peoples R China
3.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Jiangsu, Peoples R China
4.Xinghua Dongao Food Co Ltd, Taizhou 225700, Jiangsu, Peoples R China
关键词： Methyl jasmonate; Carotenoids; Yellow maize sprouts; Antioxidant capacity; NaCl stress
期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）
ISSN： 0308-8146
年卷期： 2021 年 361 卷
页码：
收录情况： SCI
摘要： Carotenoid content in maize sprouts can be increased by NaCl stress, although high NaCl concentrations negatively impact plant growth. The effects of exogenous methyl jasmonate (MeJA) on contents of carotenoid and antioxidant capacity of yellow maize sprouts under NaCl stress were investigated. Our results showed that treatments of NaCl both alone and combined with MeJA enhanced the carotenoid accumulation in maize sprouts. Moreover, the carotenoid biosynthesis related genes showed different expression patterns under addition of MeJA treatment. Additionally, the combined treatment led to significantly higher content of most carotenoids profiles and the addition of MeJA could alleviate the harmful effect caused by NaCl stress. Furthermore, the combined treatment improved antioxidant enzyme activities and radical scavenging capacity. The results implied that MeJA is kind of effective plant growth regulator for enhancing carotenoid accumulation in maize sprouts by up-regulating the expression levels of key genes involved in carotenoid biosynthetic pathway.
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