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Comparative proteome analysis of the response of ramie under N, P and K deficiency

文献类型： 外文期刊

作者： Deng, Gang 1 ; Liu, Li Jun 1 ; Zhong, Xin Yue 1 ; Lao, Cheng Ying 1 ; Wang, Hong Yang 3 ; Wang, Bo 1 ; Zhu, Cong 1 ; Shah 1 ;

作者机构： 1.Huazhong Agr Univ, Coll Plant Sci & Technol, MOA Key Lab Crop Ecophysiol & Farming Syst Middle, Wuhan 430070, Hubei, Peoples R China

2.Guangxi Acad Agr Sci, Cash Crop Res Inst, Nanning 530007, Peoples R China

3.Huazhong Ag

关键词： Comparative proteome analysis;NPK stress;Ramie;Stress resistance

期刊名称：PLANTA （ 影响因子：4.116； 五年影响因子：4.316 ）

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收录情况： SCI

摘要： amie is an important natural fiber. There has been little research on the molecular mechanisms of ramie related to the absorption, utilization and metabolism of nitrogen (N), phosphorus (P) and potassium (K). One approach to reveal the mechanisms of N, P and K (NPK) utilization and metabolism in ramie is comparative proteome analysis. The differentially expressed proteins in the leaves of ramie were analyzed by proteome analysis after 6 days of N- and K-deficient treatments and 3 days of P-deficient treatment using MALDI-TOF/TOF mass spectrometry and 32, 27 and 51 differential proteins were obtained, respectively. These proteins were involved in photosynthesis, protein destination and storage, energy metabolism, primary metabolism, disease/defense, signal transduction, cell structure, transcription, secondary metabolism and protein synthesis. Ramie responded to NPK stress by enhancing secondary metabolism and reducing photosynthesis and energy metabolism to increase endurance. Specifically, ramie adapted to NPK deficiency by increasing signal transduction pathways, enhancing the connection between glycolysis and photosynthesis, promoting the intracellular flow of carbon and N; promoting the synthesis cysteine and related hormones and upregulating actin protein to promote growth of the root system. The experimental results provide important information for further study on the high-efficiency NPK utilization mechanism of ramie.

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