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Proteome Analysis of the Soybean Nodule Phosphorus Response Mechanism and Characterization of Stress-Induced Ribosome Structural and Protein Expression Changes

文献类型： 外文期刊

作者： Yao, Yubo 1 ; Yuan, Hongmei 2 ; Wu, Guangwen 2 ; Ma, Chunmei 3 ; Gong, Zhenping 3 ;

作者机构： 1.Heilongjiang Acad Agr Sci Postdoctoral Programme, Harbin, Peoples R China

2.Heilongjiang Acad Agr Sci, Inst Ind Crops, Harbin, Peoples R China

3.Northeast Agr Univ, Coll Agr, Harbin, Peoples R China

关键词： proteome; soybean; phosphorus; root nodule; nitrogen fixation

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：6.627； 五年影响因子：7.255 ）

ISSN： 1664-462X

年卷期： 2022 年 13 卷

页码：

收录情况： SCI

摘要： In agroecosystems, a plant-usable form of nitrogen is mainly generated by legume-based biological nitrogen fixation, a process that requires phosphorus (P) as an essential nutrient. To investigate the physiological mechanism whereby phosphorus influences soybean nodule nitrogen fixation, soybean root nodules were exposed to four phosphate levels: 1 mg/L (P stress), 11 mg/L (P stress), 31 mg/L (Normal P), and 61 mg/L (High P) then proteome analysis of nodules was conducted to identify phosphorus-associated proteome changes. We found that phosphorus stress-induced ribosomal protein structural changes were associated with altered key root nodule protein synthesis profiles. Importantly, up-regulated expression of peroxidase was observed as an important phosphorus stress-induced nitrogen fixation-associated adaptation that supported two nodule-associated activities: scavenging of reactive oxygen species (ROS) and cell wall growth. In addition, phosphorus transporter (PT) and purple acid phosphatase (PAPs) were up-regulated that regulated phosphorus transport and utilization to maintain phosphorus balance and nitrogen fixation function in phosphorus-stressed root nodules.

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