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Proteomics Changes in Filling Seeds of Vegetable Soybean

文献类型： 外文期刊

作者： Zhang, Yumei 1 ; Hu, Runfang 1 ; Li, Huawei 1 ; Zhu, Haisheng 1 ; Zhao, Jinming 2 ; Guo, Na 2 ; Xing, Han 2 ; Lin, Guoqia 1 ;

作者机构： 1.Fujian Acad Agr Sci, Inst Crop Sci, Fuzhou 350013, Peoples R China

2.Nanjing Agr Univ, Natl Ctr Soybean Improvement, Key Lab Biol & Genet & Breeding Soybean, Minist Agr,State Key Lab Crop Genet & Germplasm E, Nanjing 210095, Jiangsu, Peoples R China

关键词： proteomics;2-DE;LC-ESI-MS/MS;seed filling;Glycine max

期刊名称：HORTSCIENCE （ 影响因子：1.455； 五年影响因子：1.617 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Vegetable soybean is an important economic and nutritious crop. In this study, 48 differentially expressed proteins were identified from filling seeds of soybean (Glycine max) cv. Mindou 6 by using two-dimensional electrophoresis (2-DE) combined with liquid chromatography electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS). Among them, 25% were related to protein destination and storage, 42% to energy and metabolism, 15% to disease/defense, 6% to transporters, 4% to secondary metabolism, 4% to transcription, 2% to protein synthesis, and 2% to cell growth/division. Along with the maturity of seeds, the number of unchanged abundance proteins decreased, while that of both upregulated and downregulated proteins increased. Both downregulated expression of caffeic acid O-methyltransferase (COMT) and upregulated expression of sucrose-binding protein (SBP) 2 precursor may contribute to increase in digestibility, nutritional value, and eating quality of vegetative seeds at suitable picking period. The pattern of unchanged proteins during the whole seed-filling stage may be also beneficial to the quality of vegetable soybean.

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