Telomere‐to‐telomere genome and multi‐omics analysis provides insights into the genomic evolution and nutritional composition of Canavalia gladiata

Abstract Canavalia gladiata (Jacq.) DC. is a leguminous crop notable for its high protein content and oil rich in unsaturated fatty acids, positioning it as a valuable genetic resource for the diversification and nutritional improvement of legume species. Here, we report a gap‐free telomere‐to‐telomere (T2T) genome assembly of C. gladiata and perform phylogenomic analyses to reconstruct its evolutionary history. Integrative transcriptomic and metabolomic profiling further revealed the transcriptional regulatory networks underlying the biosynthesis of key nutritional metabolites, including amino acids and lipids. These findings lay a foundation for accelerating molecular breeding for improved nutritional quality in C. gladiata . The T2T assembly and multi‐omics resources presented herein serve as valuable references for comparative genomics and the genetic improvement of legume crops.

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Publication Details

Journal
Journal of Systematics and Evolution
Published
2026-09-13
DOI
https://doi.org/10.1111/jse.70108
Primary Topic
Genomics and Phylogenetic Studies
Type
article
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article

Telomere‐to‐telomere genome and multi‐omics analysis provides insights into the genomic evolution and nutritional composition of Canavalia gladiata

Shilai Zhang, Yi Wang, Tong Wei, Meng Yan et al.
Journal of Systematics and Evolution
Genomics and Phylogenetic Studies
article

Telomere‐to‐telomere genome and multi‐omics analysis provides insights into the genomic evolution and nutritional composition of Canavalia gladiata

Shilai Zhang, Yi Wang, Tong Wei, Meng Yan, Xing Guo, Yujiao Zhang, Dongming Fang, Xianzhi Wang, Pingli Xie, Jinyin Xing
article en

Abstract

Abstract Canavalia gladiata (Jacq.) DC. is a leguminous crop notable for its high protein content and oil rich in unsaturated fatty acids, positioning it as a valuable genetic resource for the diversification and nutritional improvement of legume species. Here, we report a gap‐free telomere‐to‐telomere (T2T) genome assembly of C. gladiata and perform phylogenomic analyses to reconstruct its evolutionary history. Integrative transcriptomic and metabolomic profiling further revealed the transcriptional regulatory networks underlying the biosynthesis of key nutritional metabolites, including amino acids and lipids. These findings lay a foundation for accelerating molecular breeding for improved nutritional quality in C. gladiata . The T2T assembly and multi‐omics resources presented herein serve as valuable references for comparative genomics and the genetic improvement of legume crops.

Journal of Systematics and Evolution
BGI Group (China) (CN), Kunming University (CN), Yunnan University (CN), Yunnan Agricultural University (CN), Botswana Geoscience Institute (BW), Northeast Forestry University (CN)
Zero hunger
Openalex Percentile: Top 18%
Genomics and Phylogenetic Studies
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Telomere‐to‐telomere genome and multi‐omics analysis provides insights into the genomic evolution and nutritional composition of Canavalia gladiata — Shilai Zhang, Yi Wang, et al. · Journal of Systematics and Evolution (2026) | TGRS Research Map | TGRS