文献类型： 外文期刊
第一作者： Lian, Qun
作者： Lian, Qun;Zhang, Yingying;Wang, Weilun;Zhou, Zijian;Yang, Zhenqiang;Xin, Guohui;Pu, Yuanyuan;Feng, Zhiwen;Wu, Qian;Xuanyuan, Guochao;Bai, Shunbuer;Hu, Rong;Zhang, Ruofang;Qi, Jianjian;Lian, Qun;Li, Hongbo;Zhang, Xinyan;Cheng, Lin;Du, Ran;Zhou, Yongfeng;Huang, Sanwen;Lian, Qun;Negrao, Sonia;Zhang, Jinzhe;Peng, Zhen;Bachem, Christian W. B.;Bryan, Glenn J.;Shang, Yi;Lin, Tao
作者机构：
关键词： potato; domestication; differentiation; tuber dormancy; steroidal glycoalkaloids; average tuber weight
期刊名称：MOLECULAR PLANT （ 影响因子：24.1； 五年影响因子：25.8 ）
ISSN： 1674-2052
年卷期： 2025 年 18 卷 4 期
页码：
收录情况： SCI
摘要： Hybrid potato breeding based on diploid inbred lines is transforming the way of genetic improvement of this staple food crop, which requires a deep understanding of potato domestication and differentiation. In the present study, we resequenced 314 diploid wild and landrace accessions to generate a variome map of 47,203,407 variants. Using the variome map, we discovered the reshaping of tuber transcriptome during potato domestication, characterized genome-wide differentiation between landrace groups Stenotomum and Phureja. We identified a jasmonic acid biosynthetic gene possibly affecting the tuber dormancy period. Genome-wide association studies revealed a UDP-glycosyltransferase gene for the biosynthesis of anti-nutritional steroidal glycoalkaloids (SGAs), and a Dehydration Responsive Element Binding (DREB) transcription factor conferring increased average tuber weight. In addition, genome similarity and groupspecific SNP analyses indicated that tetraploid potatoes originated from the diploid Solanum tuberosum group Stenotomum. These findings shed light on the evolutionary trajectory of potato domestication and improvement, providing a solid foundation for advancing hybrid potato-breeding practices.
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