ISWC OpenIR  > 水保所科研产出--SCI  > 2018--SCI
Melatonin Mitigates Salt Stress in Wheat Seedlings by Modulating Polyamine Metabolism
Qingbo Ke1,2; Jun Ye1,2; Bomei Wang4; Jianhong Ren5; Lina Yin1,2; Xiping Deng1,2; Shiwen Wang1,2; Wang, SW (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loss Pl, Yangling, Shaanxi, Peoples R China.; Wang, SW (reprint author), Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loss Pl, Yangling, Shaanxi, Peoples R China.; Wang, SW (reprint author), Northwest A&F Univ, Coll Nat Resources & Environm, Yangling, Shaanxi, Peoples R China.
SubtypeArticle
2018
Source PublicationFRONTIERS IN PLANT SCIENCE
ISSN1664-462X
description.correspondentemailshiwenwang@nwsuaf.edu.cn
Volume9
AbstractMelatonin, a small molecular weight indoleamine molecule, is involved in various biological processes and responses to environmental cues in plants. However, its function in abiotic stress response and the underlying mechanisms is less clear. In this study, we investigated the effect of melatonin on wheat seedlings growth under salt stress condition. Exogenous melatonin pretreatment partially mitigated the salt-induced inhibition of whole-plant growth as judged from shoot dry weight, IAA content, leaf photosynthesis rate, maximum photochemistry efficiency of photosystem II, and chlorophyll. The mitigation was also observed in reduced accumulation of H2O2 in melatonin-pretreated wheat seedlings exposed to salt stress. Exogenous melatonin increased endogenous melatonin content by evaluating the levels of TaSNAT transcript, which encodes a key regulatory enzyme in the melatonin biosynthetic pathway. Furthermore, melatonin increased polyamine contents by accelerating the metabolic flow from the precursor amino acids arginine and methionine to polyamines; melatonin also decreased the degradation of salt-induced polyamines. Taken together, these results provide the evidence that melatonin mitigates salt stress mainly through its regulation on polyamine metabolism of wheat seedlings.
KeywordMelatonin Wheat Polyamine Salt Stress Tasnat
Subject AreaPlant Sciences
DOI10.3389/fpls.2018.00914
Indexed BySCI
Publication PlaceAVENUE DU TRIBUNAL FEDERAL 34, LAUSANNE, CH-1015, SWITZERLAND
Language英语
WOS IDWOS:000437126300001
PublisherFRONTIERS MEDIA SA
Funding OrganizationNational Basic Research Program of China [2015CB150402] ; National Basic Research Program of China [2015CB150402] ; National Key Technology RD Program [2015BAD22B01] ; National Key Technology RD Program [2015BAD22B01] ; West Light Foundation of the Chinese Academy of Sciences ; West Light Foundation of the Chinese Academy of Sciences ; Project of Youth Science and Technology New Star in Shaanxi Province [2016KJXX-66] ; Project of Youth Science and Technology New Star in Shaanxi Province [2016KJXX-66]
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8211
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorWang, SW (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loss Pl, Yangling, Shaanxi, Peoples R China.; Wang, SW (reprint author), Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loss Pl, Yangling, Shaanxi, Peoples R China.; Wang, SW (reprint author), Northwest A&F Univ, Coll Nat Resources & Environm, Yangling, Shaanxi, Peoples R China.
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loss Pl, Yangling, Shaanxi, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loss Pl, Yangling, Shaanxi, Peoples R China
3.Inner Mongolia Acad Agr & Anim Husb Sci, Hohhot, Peoples R China
4.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling, Shaanxi, Peoples R China
5.Northwest A&F Univ, Coll Life Sci, Yangling, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Qingbo Ke,Jun Ye,Bomei Wang,et al. Melatonin Mitigates Salt Stress in Wheat Seedlings by Modulating Polyamine Metabolism[J]. FRONTIERS IN PLANT SCIENCE,2018,9.
APA Qingbo Ke.,Jun Ye.,Bomei Wang.,Jianhong Ren.,Lina Yin.,...&Wang, SW .(2018).Melatonin Mitigates Salt Stress in Wheat Seedlings by Modulating Polyamine Metabolism.FRONTIERS IN PLANT SCIENCE,9.
MLA Qingbo Ke,et al."Melatonin Mitigates Salt Stress in Wheat Seedlings by Modulating Polyamine Metabolism".FRONTIERS IN PLANT SCIENCE 9(2018).
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