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Global and Comparative Proteome Analysis of Nitrogen-Stress Responsive Proteins in the Root, Stem and Leaf of Brassica napus

文献类型： 外文期刊

作者： Chai, Liang 1 ; Cui, Cheng 1 ; Zheng, Benchuan 1 ; Zhang, Jinfang 1 ; Jiang, Jun 1 ; Li, Haojie 1 ; Jiang, Liangcai 1 ;

作者机构： 1.Sichuan Acad Agr Sci, Crop Sci Inst, Chengdu 610066, Peoples R China

2.Environm Friendly Crop Germplasm Innovat & Genet I, Chengdu 610066, Peoples R China

关键词： Brassica napus; nitrogen (N) response; oxidative stress; proteomics

期刊名称：PHYTON-INTERNATIONAL JOURNAL OF EXPERIMENTAL BOTANY （ 影响因子：1.7； 五年影响因子：1.4 ）

ISSN： 0031-9457

年卷期： 2023 年 92 卷 3 期

页码：

收录情况： SCI

摘要： Nitrogen (N) is one of the basic nutrients and signals for plant development and deficiency of it would always limit the productions of crops in the field. Quantitative research on expression of N-stress responsive proteins on a proteome level remains elusive. In order to gain a deep insight into the proteins responding to nitrogen stress in rapeseed (Brassica napus L.), comparative proteomic analysis was performed to investigate changes of protein expression profiles from the root, stem and leaf under different N concentrations, respectively. More than 200 dif-ferential abundance proteins (DAPs) were detected and categorized into groups according to annotations, includ-ing "binding and catalytic activity", "involved in primary metabolism and cellular processes", "stress-response" and so on. Variation in chlorophyll (Chl) content and antioxidant activities further revealed that oxidative stress raised with the increase of N concentration. Bioinformatics analysis based on the expression level of total proteins suggested these DAPs might play important roles in adaptation to N-stress conditions. Generally, these results provides a new aspect into N-stress responding proteins in Brassica plants.

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