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Metabolite Profiling of Wheat Seedlings Induced by Chitosan: Revelation of the Enhanced Carbon and Nitrogen Metabolism'
Zhang, Xiaoqian1,2,3; Li, Kecheng1,2; Xing, Ronge1; Liu, Song1; Li, Pengcheng1,2
2017-11-28
发表期刊FRONTIERS IN PLANT SCIENCE
卷号8
文章类型Article
摘要Chitosan plays an important role in regulating growth and eliciting defense in many plant species. However, the exact metabolic response of plants to chitosan is still not clear. The present study performed an integrative analysis of metabolite profiles in chitosan-treated wheat seedlings and further investigated the response of enzyme activities and transcript expression related to the primary carbon (C) and nitrogen (N) metabolism. Metabolite profiling revealed that chitosan could induce significant difference of organic acids, sugars and amino acids in leaves of wheat seedlings. A higher accumulation of sucrose content was observed after chitosan treatment, accompanied by an increase in sucrose phosphate synthase (SPS) and fructose 1, 6-2 phosphatase (FBPase) activities as well as an up-regulation of relative expression level. Several metabolites associated with tricarboxylic acid (TCA) cycle, including oxaloacetate and malate, were also improved along with an elevation of phosphoenolpyruvate carboxylase (PEPC) and pyruvate dehydrogenase (PDH) activities. On the other hand, chitosan could also enhance the N reduction and N assimilation. Glutamate, aspartate and some other amino acids were higher in chitosan-treated plants, accompanied by the activation of key enzymes of N reduction and glutamine synthetase/glutamate synthase (GS/GOGAT) cycle. Together, these results suggested a pleiotropic modulation of carbon and nitrogen metabolism in wheat seedlings induced by chitosan and provided a significant insight into the metabolic mechanism of plants in response to chitosan for the first time, and it would give a basic guidance for the future application of chitosan in agriculture.
关键词Chitosan Metabolic Profiling Carbon Metabolism Nitrogen Assimilation Wheat Seedlings
DOI10.3389/fpls.2017.02017
收录类别SCI
语种英语
WOS记录号WOS:000416309800001
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/143294
专题海洋生物技术研发中心
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Drugs & Bioprod, Qingdao, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
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Zhang, Xiaoqian,Li, Kecheng,Xing, Ronge,et al. Metabolite Profiling of Wheat Seedlings Induced by Chitosan: Revelation of the Enhanced Carbon and Nitrogen Metabolism'[J]. FRONTIERS IN PLANT SCIENCE,2017,8.
APA Zhang, Xiaoqian,Li, Kecheng,Xing, Ronge,Liu, Song,&Li, Pengcheng.(2017).Metabolite Profiling of Wheat Seedlings Induced by Chitosan: Revelation of the Enhanced Carbon and Nitrogen Metabolism'.FRONTIERS IN PLANT SCIENCE,8.
MLA Zhang, Xiaoqian,et al."Metabolite Profiling of Wheat Seedlings Induced by Chitosan: Revelation of the Enhanced Carbon and Nitrogen Metabolism'".FRONTIERS IN PLANT SCIENCE 8(2017).
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