Genomic variation, environmental adaptation, and feralization in ramie, an ancient fiber crop

doi:10.1016/j.xplc.2024.100942

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	Genomic variation, environmental adaptation, and feralization in ramie, an ancient fiber crop
	Wu, Zeng-Yuan; Chapman, Mark A.; Liu, Jie; Milne, Richard I.; Zhao, Ying; Luo, Ya-Huang; Zhu, Guang-Fu; Cadotte, Marc W.; Luan, Ming-Bao; Fan, Peng-Zhen; Monro, Alex K.; Li, Zhi-Peng; Corlett, Richard T.; Li, De-Zhu
	2024
发表期刊	PLANT COMMUNICATIONS
ISSN	2590-3462
卷号	5 期号:8 页码:100942
摘要	Feralization is an important evolutionary process, but the mechanisms behind it remain poorly understood. Here, we use the ancient fiber crop ramie (Boehmeria nivea (L.) Gaudich.) as a model to investigate genomic changes associated with both domestication and feralization. We first produced a chromosome-scale de novo genome assembly of feral ramie and investigated structural variations between feral and domesticated ramie genomes. Next, we gathered 915 accessions from 23 countries, comprising cultivars, major landraces, feral populations, and the wild progenitor. Based on whole-genome resequencing of these accessions, we constructed the most comprehensive ramie genomic variation map to date. Phylogenetic, demographic, and admixture signal detection analyses indicated that feral ramie is of exoferal or exo-endo origin, i.e., descended from hybridization between domesticated ramie and the wild progenitor or ancient landraces. Feral ramie has higher genetic diversity than wild or domesticated ramie, and genomic regions affected by natural selection during feralization differ from those under selection during domestication. Ecological analyses showed that feral and domesticated ramie have similar ecological niches that differ substantially from the niche of the wild progenitor, and three environmental variables are associated with habitat-specific adaptation in feral ramie. These findings advance our understanding of feralization, providing a scientific basis for the excavation of new crop germplasm resources and offering novel insights into the evolution of feralization in nature.
DOI	10.1016/j.xplc.2024.100942
WOS记录号	WOS:001295399600001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/76033
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Wu, Zeng-Yuan,Chapman, Mark A.,Liu, Jie,et al. Genomic variation, environmental adaptation, and feralization in ramie, an ancient fiber crop[J]. PLANT COMMUNICATIONS,2024,5(8):100942.
APA	Wu, Zeng-Yuan.,Chapman, Mark A..,Liu, Jie.,Milne, Richard I..,Zhao, Ying.,...&Li, De-Zhu.(2024).Genomic variation, environmental adaptation, and feralization in ramie, an ancient fiber crop.PLANT COMMUNICATIONS,5(8),100942.
MLA	Wu, Zeng-Yuan,et al."Genomic variation, environmental adaptation, and feralization in ramie, an ancient fiber crop".PLANT COMMUNICATIONS 5.8(2024):100942.

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