Genetic diversity and relationships of broomcorn millet based on trnT-trnL and GBSSI sequences

文献类型： 外文期刊

第一作者： Yu, Xiaohan

作者： Yu, Xiaohan;Tan, Funa;Liu, Shaoxiong;Wang, Yue;Xin, Xuxia;Wang, Ruonan;Zhang, Yingxing;Chen, Zhaoyan;Liu, Minxuan;Wang, Xiaoxing;Ren, Jiandong;Xiang, Jishan;Xiang, Jishan

作者机构：

期刊名称：PLOS ONE （ 影响因子：2.6； 五年影响因子：3.2 ）

ISSN：

年卷期： 2025 年 20 卷 7 期

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收录情况： SCI

摘要： Broomcorn millet (Panicum miliaceum L.) is the oldest crop originating in China. The routes of transmission have been the focus of broomcorn millet research. This study evaluated genetic diversity and relationship of 430 broomcorn millet accessions (369 domestic accessions from nine regions and 61 foreign accessions from twenty-four counties) based on the chloroplast DNA trnT-trnL spacer sequence and nuclear DNA GBSSI sequence to explore the domestication of broomcorn millet. The trnT-trnL sequence was highly conserved, while the diversity of GBSSI sequence was significantly higher. Results of this study suggest that broomcorn millet may have originated from the core area (including Shanxi, Shaanxi, Inner Mongolia, Ningxia and Gansu) and then spread westward to Xinjiang and into Eurasia, or eastward from Shanxi to Hebei, Inner Mongolia and northeast China. Xinjiang is crucial for broomcorn millet to spread westward. This study revealed the genetic diversity of broomcorn millet accessions from different geographical sources, laying a theoretical foundation for further analysis of the evolutionary origin of this taxon.

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