数字农科院2.0

Comparative Proteomic Analysis of Wheat (Triticum aestivum L.) Hybrid Necrosis

文献类型： 外文期刊

作者： Jiang Qi-yan;Hu Zheng;Zhang Hui;Pan Xing-lai

作者机构：

关键词： hybrid necrosis;proteomic;wheat;differentially expressed protein

期刊名称： JOURNAL OF INTEGRATIVE AGRICULTURE

ISSN： 2095-3119

年卷期： 2013 年 12 卷 3 期

页码：

收录情况： SCI

摘要： Hybrid necrosis is the gradual premature death of leaves or plants in certain F-1 hybrids of wheat (Triticum aestivum L.). Comparison of protein expression in necrotic and normal wheat leaves showed that the abundance of 33 proteins was changed significantly, and 24 of these proteins were identified. These proteins were involved in plant growth and development, antioxidation, photosynthesis and carbon assimilation, amino acid and protein biosynthesis, cytological signal transduction, DNA and RNA modification, protein transport, folding and assembly according to their functions. The down-regulation of uroporphyrinogen decarboxylase and the up-regulation of lipoxygenases in necrotic leaves may be related to the oxidative stress in the necrotic cells. The heat shock proteins may play the cytoprotective role. The differential expression of photosynthesis and carbon assimilation related proteins indicated chlorophyll biosynthesis and chloroplast development were inhibited and might finally cause the gradual chlorosis and cell death in necrotic leaves. The results of this study give a comprehensive picture of the post-transcriptional response to necrosis in hybrid wheat leaves and serve as a platform for further characterization of gene function and regulation in wheat hybrid necrosis.

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