YIC-IR  > 中科院海岸带环境过程与生态修复重点实验室
Saline stress enhanced accumulation of leaf phenolics in honeysuckle (Lonicera japonica Thunb.) without induction of oxidative stress
Yan, Kun1; Zhao, Shijie2; Bian, Lanxing3; Chen, Xiaobing1; Yan, K (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remedia, Yantai, Peoples R China. kyan@yic.ac.cn
Source PublicationPLANT PHYSIOLOGY AND BIOCHEMISTRY
ISSN0981-9428
2017-03-01
Volume112Pages:326-334
KeywordAntioxidant Enzyme Ascorbate Phenylalanine Ammonia-lyase Phenolics Photosynthetic Electron Transport
DOI10.1016/j.plaphy.2017.01.020
Contribution Rank[Yan, Kun; Chen, Xiaobing] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remedia, Yantai, Peoples R China; [Zhao, Shijie] Shandong Agr Univ, State Key Lab Crop Biol, Tai An, Shandong, Peoples R China; [Bian, Lanxing] Yantai Univ, Coll Life Sci, Yantai, Peoples R China
Department中科院海岸带环境过程与生态修复重点实验室
AbstractHoneysuckle (Lotticera japonica Thunb.) is a traditional medicinal plant in Chinese, and chlorogenic acid and luteolosid are its specific bioactive phenolic compounds. This study was to investigate leaf antioxidant responses in honeysuckle to saline stress with emphasis on phenolics through hydroponic experiments and field trials. NaCl stress did not stimulate antioxidant system including superoxide dismutase, ascorbate peroxidase, catalase and ascorbate, and had no significant effect on lipid peroxidation in the leaves. Consistently, no inhibition on photochemical capacity of photosystems suggested that reactive oxygen species (ROS) was maintained at a normal level under NaCl stress. However, leaf phenolic synthesis was activated by NaCl stress, indicated by elevated genes transcription and activity of phenylalanine ammonia-lyase and increased phenolics concentration. Specifically, leaf chlorogenic acid concentration was increased by 67.43% and 48.86% after 15 days of 150 and 300 mM NaCl stress, and the increase of luteolosid concentration was 54.26% and 39.74%. The accumulated phenolics hardly helped detoxify ROS in vivo in absence of oxidative stress, but the elevated phenolic synthesis might restrict ROS generation by consuming reduction equivalents. As with NaCl stress, soil salinity also increased concentrations of leaf phenolics including chlorogenic acid and luteolosid without exacerbated lipid per oxidation. In conclusion, leaf phenolics accumulation is a mechanism for the acclimation to saline stress probably by preventing oxidative stress in honeysuckle; leaf medicinal quality of honeysuckle can be improved by saline stress due to the accumulation of bioactive phenolic compounds. (C) 2017 Elsevier Masson SAS. All rights reserved.
SubtypeArticle
Indexed BySCI
Language英语
WOS KeywordSALT STRESS ; ANTIOXIDANT ENZYMES ; CHLOROGENIC ACID ; GROWTH-STAGES ; PLANTS ; FLUORESCENCE ; TOLERANCE ; LEAVES ; L. ; PHOTOINHIBITION
WOS Research AreaPlant Sciences
WOS IDWOS:000394917400031
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/22070
Collection中科院海岸带环境过程与生态修复重点实验室
Corresponding AuthorYan, K (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remedia, Yantai, Peoples R China. kyan@yic.ac.cn
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remedia, Yantai, Peoples R China
2.Shandong Agr Univ, State Key Lab Crop Biol, Tai An, Shandong, Peoples R China
3.Yantai Univ, Coll Life Sci, Yantai, Peoples R China
Recommended Citation
GB/T 7714
Yan, Kun,Zhao, Shijie,Bian, Lanxing,et al. Saline stress enhanced accumulation of leaf phenolics in honeysuckle (Lonicera japonica Thunb.) without induction of oxidative stress[J]. PLANT PHYSIOLOGY AND BIOCHEMISTRY,2017,112:326-334.
APA Yan, Kun,Zhao, Shijie,Bian, Lanxing,Chen, Xiaobing,&Yan, K .(2017).Saline stress enhanced accumulation of leaf phenolics in honeysuckle (Lonicera japonica Thunb.) without induction of oxidative stress.PLANT PHYSIOLOGY AND BIOCHEMISTRY,112,326-334.
MLA Yan, Kun,et al."Saline stress enhanced accumulation of leaf phenolics in honeysuckle (Lonicera japonica Thunb.) without induction of oxidative stress".PLANT PHYSIOLOGY AND BIOCHEMISTRY 112(2017):326-334.
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