Preferentially expressed endosperm genes reveal unique activities in wheat endosperm during grain filling

文献类型： 外文期刊

第一作者： Shi, Jia

作者： Shi, Jia;Wang, Chunsheng;Xia, Jianqiang;Zhao, Zhun;Wang, Zhenlong;Yang, Zhenyu;Wang, Zhong;Zhang, Yueqiang;Zhao, Yuqian;Zhao, Peng;Xu, Shengbao;Yang, Hongmei

作者机构：

关键词： Wheat; Endosperm; Storage protein; Developmental transcription

期刊名称：BMC GENOMICS （ 影响因子：3.5； 五年影响因子：4.1 ）

ISSN： 1471-2164

年卷期： 2024 年 25 卷 1 期

页码：

收录情况： SCI

摘要： Background Bread wheat (Triticum aestivum L.) endosperm contains starch and proteins, which determine the final yield, quality, and nutritional value of wheat grain. The preferentially expressed endosperm genes can precisely provide targets in the endosperm for improving wheat grain quality and nutrition using modern bioengineering technologies. However, the genes specifically expressed in developing endosperms remain largely unknown. Results In this study, 315 preferentially expressed endosperm genes (PEEGs) in the spring wheat landrace, Chinese Spring, were screened using data obtained from an open bioinformatics database, which reveals a unique grain reserve deposition process and special signal transduction in a developing wheat endosperm. Furthermore, transcription and accumulation of storage proteins in the wheat cultivar, XC26 were evaluated. The results revealed that 315 PEEG plays a critical role in storage protein fragment deposition and is a potential candidate for modifying grain quality and nutrition. Conclusion These results provide new insights into endosperm development and candidate genes and promoters for improving wheat grain quality through genetic engineering and plant breeding techniques.

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