What question did this study set out to answer?

To construct a gapless telomere-to-telomere reference genome for adzuki bean and uncover the genetic architecture of centromeres, population diversity, and agronomic traits.

August 15, 2026Horticulture ResearchOpen Access

A Gapless T2T Genome and Population-Scale Resequencing of Adzuki Bean Reveal Centromere Evolution and Accelerate Molecular Breeding

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Authors

CLChangyou LiuHubei Academy of Agricultural Sciences JPJianxiang PengFirst Affiliated Hospital of Jiangxi Medical College HQHuilong QiNorth China University of Science and Technology

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Implication

Genomic analysis reveals centromere structure and agronomic loci across 706 adzuki bean accessions, accelerating molecular breeding strategies.

Key Points

To construct a gapless telomere-to-telomere reference genome for adzuki bean and uncover the genetic architecture of centromeres, population diversity, and agronomic traits.
Generated a 514.85 Mb gapless T2T genome assembly of cultivar Jihong 16 using multi-strategy sequencing.
Performed whole-genome resequencing on 706 adzuki bean accessions and evaluated 39 agronomic traits across seven locations over two years.
Conducted genome-wide association studies (GWAS), transgenic validation of candidate genes in Arabidopsis, and genomic selection modeling.
Identified unique centromeres composed of ~9-bp minisatellites exhibiting dynamic sequence evolution relative to mung bean.
Identified 9,613 significant marker-trait associations across 39 agronomic traits, experimentally validating the flowering-time regulator gene Vigan07G000670.
Demonstrated that genomic selection using 500 to 1,000 trait-associated markers achieves prediction accuracy >0.8 for seed weight, flowering date, and plant height.

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/6a8019a975c2e31742c85bea https://doi.org/10.1093/hr/uhag346

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Implication

Genomic analysis reveals centromere structure and agronomic loci across 706 adzuki bean accessions, accelerating molecular breeding strategies.

A Gapless T2T Genome and Population-Scale Resequencing of Adzuki Bean Reveal Centromere Evolution and Accelerate Molecular Breeding

Discussion

Member takes

Implication

Key Points

Cite This Study

A Gapless T2T Genome and Population-Scale Resequencing of Adzuki Bean Reveal Centromere Evolution and Accelerate Molecular Breeding

Discussion

Member takes

Implication

Key Points

Cite This Study

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