A special short-wing petal faba genome and genetic dissection of floral and yield-related traits accelerate breeding and improvement of faba bean

文献类型： 外文期刊

第一作者： Liu, Rong

作者： Liu, Rong;Li, Mengwei;Shu, Qin;Wang, Zonghe;Zong, Xuxiao;Yang, Tao;Hu, Chaoqin;Yang, Xin;Dai, Zhengming;Yu, Haitian;Yang, Feng;Zheng, Aiqing;Lv, Meiyuan;He, Yuhua;Gao, Dan;Chen, Liyang;Jiao, Chengzhi;Yuan, Xingxing;Chen, Xin;Garg, Vanika;Chitikineni, Annapurna;Barmukh, Rutwik;Varshney, Rajeev K.;Zhang, Hongyan;Hou, Wanwei;Teng, Changcai;Zhou, Xianli;Liu, Yujiao;Zhang, Hongyan;Hou, Wanwei;Teng, Changcai;Zhou, Xianli;Du, Chengzhang;Xiang, Chao;Xu, Dongxu;Tang, Yongsheng;Duan, Yinmei;Maalouf, Fouad;Agrawal, Shiv Kumar;Wei, Libin;Zhao, Na;Li, Xiang;Wang, Dong;Ding, Hanfeng

作者机构：

关键词： Faba bean; Short-wing petal; Genome assembly; Genomic diversity; GWAS; Yield-related loci; Breeding; Improvement

期刊名称：GENOME BIOLOGY （ 影响因子：9.4； 五年影响因子：16.3 ）

ISSN： 1474-760X

年卷期： 2025 年 26 卷 1 期

页码：

收录情况： SCI

摘要： BackgroundA comprehensive study of the genome and genetics of superior germplasms is fundamental for crop improvement. As a widely adapted protein crop with high yield potential, the improvement in breeding and development of the seeds industry of faba bean have been greatly hindered by its giant genome size and high outcrossing rate.ResultsTo fully explore the genomic diversity and genetic basis of important agronomic traits, we first generate a de novo genome assembly and perform annotation of a special short-wing petal faba bean germplasm (VF8137) exhibiting a low outcrossing rate. Comparative genome and pan-genome analyses reveal the genome evolution characteristics and unique pan-genes among the three different faba bean genomes. In addition, the genome diversity of 558 accessions of faba bean germplasm reveals three distinct genetic groups and remarkable genetic differences between the southern and northern germplasms. Genome-wide association analysis identifies several candidate genes associated with adaptation- and yield-related traits. We also identify one candidate gene related to short-wing petals by combining quantitative trait locus mapping and bulked segregant analysis. We further elucidate its function through multiple lines of evidence from functional annotation, sequence variation, expression differences, and protein structure variation.ConclusionsOur study provides new insights into the genome evolution of Leguminosae and the genomic diversity of faba bean. It offers valuable genomic and genetic resources for breeding and improvement of faba bean.

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