数字农科院2.0

High-Resolution Genomic Resources for Trait Mapping and Precision Breeding for Adzuki Bean (Vigna angularis)

文献类型： 外文期刊

作者： Liangliang Hu; Xiaolei Wang; Yazhou Zhang; Vanika Garg; Xingxing Yuan; Renfeng Xue; Hongmei Zhou; Yanhua Chen; Weili Hu; Rutwik Barmukh; Rong Cao; Tianxiao Chen; Qiannan Song; Dan Gao; Gaoling Luo; Xu Zhu; Xin Jing; Suhua Wang; Caiju Li; Yunshan Wei; Weide Ge; Xin Chen; Lixia Wang; Rajeev K Varshney; Chengzhi Jiao; Xuzhen Cheng; Honglin Chen

关键词： adzuki bean; genomics; domestication; genetic improvement; precision breeding

期刊名称： Advanced Science

ISSN：

年卷期： 2025 年

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： Adzuki bean (Vigna angularis), a globally important legume crop, faces breeding bottlenecks due to limited genomic resources and an insufficient understanding of its genetic basis for key traits, which constrains the efficient utilization of its genetic diversity in breeding programs. To address this, a high-quality genome assembly is developed for the elite cultivar ZH20 and a comprehensive genetic variation map is constructed by resequencing of 546 diverse adzuki bean accessions. Genomic and phenotypic analyses of this diversity panel reveal distinct population structures and identify genomic variations underlying key agronomic traits, including seed coat color, size, shape, and flowering time, linked to adaptation and selection. This analysis pinpointed 251 loci significantly associated with eight key agronomic traits, highlighting promising candidate genes, such as ANKRD50 and NAC73 for seed morphology, ANR1 for flavonoid content, and NPF5.4 for flowering time. Furthermore, comparative genomics provides insights into domestication processes. These datasets are integrated to develop AdzukiBeanAtlas (https://www.cgris.net/AdzukiBeanAtlas), a versatile toolkit to facilitate breeding strategies. These resources provide a valuable foundation for understanding adzuki bean diversity, while AdzukiBeanAtlas serves as a user-friendly, cross-platform tool for molecular marker development, helping to accelerate future breeding programs.

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