文献类型： 外文期刊
作者： Kang, Minghui 1 ; Wu, Haolin 2 ; Liu, Huanhuan 2 ; Liu, Wenyu 1 ; Zhu, Mingjia 1 ; Han, Yu 2 ; Liu, Wei 2 ; Chen, Chunlin 2 ; Song, Yan 2 ; Tan, Luna 2 ; Yin, Kangqun 2 ; Zhao, Yusen 2 ; Yan, Zhen 2 ; Lou, Shangling 1 ; Zan, Yanjun 3 ; Liu, Jianquan 1 ;
作者机构： 1.Lanzhou Univ, Coll Ecol, State Key Lab Grassland Agroecosyst, Lanzhou, Peoples R China
2.Sichuan Univ, Coll Life Sci, Key Lab Bioresource & Ecoenvironm, Minist Educ, Chengdu 610065, Peoples R China
3.Chinese Acad Agr Sci, Tobacco Res Inst, Key Lab Tobacco Improvement & Biotechnol, Qingdao 266000, Peoples R China
期刊名称：NATURE COMMUNICATIONS （ 影响因子：16.6； 五年影响因子：17.0 ）
ISSN：
年卷期： 2023 年 14 卷 1 期
页码：
收录情况： SCI
摘要： Arabidopsis thaliana serves as a model species for investigating various aspects of plant biology. However, the contribution of genomic structural variations (SVs) and their associate genes to the local adaptation of this widely distribute species remains unclear. Here, we de novo assemble chromosome-level genomes of 32A. thaliana ecotypes and determine that variable genes expand the gene pool in different ecotypes and thus assist local adaptation. We develop a graph-based pan-genome and identify 61,332 SVs that overlap with 18,883 genes, some of which are highly involved in ecological adaptation of this species. For instance, we observe a specific 332bp insertion in the promoter region of the HPCA1 gene in the Tibet-0 ecotype that enhances gene expression, thereby promotes adaptation to alpine environments. These findings augment our understanding of the molecular mechanisms underlying the local adaptation of A. thaliana across diverse habitats.
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