Comparative proteomic analyses reveal the changes of metabolic features in soybean (Glycine max) pistils upon pollination
文献类型: 外文期刊
第一作者: Li, Ming
作者: Li, Ming;Yang, Pingfang;Li, Ming;Sha, Aihua;Zhou, Xinan
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关键词: Pistil;Two-dimensional gel electrophoresis;Proteomics;Soybean;Pollination
期刊名称:SEXUAL PLANT REPRODUCTION ( 影响因子:0.931; 五年影响因子:2.035 )
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收录情况: SCI
摘要: Siphonogamy is a critical process in plant reproductive growth, during which numerous cell-cell interaction events occur between pistil and pollen. Previous studies in Solanaceae, Papaveraceae, and Brassicaceae focusing on pollen-stigma recognition in self-incompatible systems have provided many important views. In this study, we profiled the proteome in soybean mature pistils before and after pollination. Comparative analyses of two-dimensional gel electrophoresis maps from un-pollinated and pollinated pistils were conducted. The results showed that 22 proteins were increased and 36 proteins decreased after pollination. Functional categorization showed that most of them were metabolism- and redox-related proteins. The enhancement of primary metabolism, biosynthesis of pollen tube guidance compounds, and adjustment of redox homeostasis system might be helpful for a successful pollination. Quantitative reverse transcript-polymerase chain reaction analysis implied that the regulation of gene expression might happen at both transcriptional and posttranscriptional levels during pollination. This study will enhance our understanding of pollen-stigma interaction in plant sexual reproductive growth.
分类号: Q94
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