Population genomics highlights structural variations in local adaptation to saline coastal environments in woolly grape

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外文摘要：Structural variations(SVs)are a feature of plant genomes that has been largely unexplored despite their significant impact on plant phenotypic traits and local adaptation to abiotic and biotic stress.In this study,we employed woolly grape(Vitis re-tordii),a species native to the tropical and sub-tropical regions of East Asia with both coastal and inland habitats,as a valuable model for examining the impact of SVs on local adaptation.We as-sembled a haplotype-resolved chromosomal ref-erence genome for woolly grape,and conducted population genetic analyses based on whole-genome sequencing(WGS)data from coastal and inland populations.The demographic analyses revealed recent bottlenecks in all populations and asymmetric gene flow from the inland to the coastal population.In total,1,035 genes asso-ciated with plant adaptive regulation for salt stress,radiation,and environmental adaptation were detected underlying local selection by SVs and SNPs in the coastal population,of which 37.29％and 65.26％were detected by SVs and SNPs,respectively.Candidate genes such as FSD2,RGA1,and AAP8 associated with salt toler-ance were found to be highly differentiated and selected during the process of local adaptation to coastal habitats in SV regions.Our study highlights the importance of SVs in local adaptation;candi-date genes related to salt stress and climatic adaptation to tropical and subtropical environ-ments are important genomic resources for future breeding programs of grapevine and its rootstocks.

外文关键词：

climate changegrape breedinglocal adaptation with gene flowsalt toleranceviticultureVitis

作者：

Tianhao Zhang、Wenjing Peng、Hua Xiao、Shuo Cao、Zhuyifu Chen、Xiangnian Su、Yuanyuan Luo、Zhongjie Liu、Yanling Peng、Xiping Yang、Guo-Feng Jiang、Xiaodong Xu、Zhiyao Ma、Yongfeng Zhou

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作者单位：

National Key Laboratory of Tropical Crop Breeding,Shenzhen Branch,Guangdong Laboratory of Lingnan Modern Agriculture,Key Laboratory of Synthetic Biology,Ministry of Agriculture and Rural Affairs,Agricultural Genomics Institute at Shenzhen,Chinese Academy of Agricultural Sciences,Shenzhen 518000,China

State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources,Guangxi University,Nanning 530004,China

Guangxi Key Laboratory of Forest Ecology and Conservation,Guangxi Colleges and Univ

Guangxi Key Laboratory of Sugarcane Biology,College of Agriculture,Guangxi Universi

Key Laboratory of Horticultural Plant Biology Ministry of Education,Huazhong Agricultural University,Wuhan 430070,China

Zhengzhou Fruit Research Institute,Chinese Academy of Agricultural Sciences,Zhengzhou 450009,China

Guangxi Key Laboratory of Sugarcane Biology,College of Agriculture,Guangxi University,Nanning 530004,China

Guangxi Key Laboratory of Forest Ecology and Conservation,Guangxi Colleges and Universities Key Laboratory for Cultivation and Utilization of Subtropical Forest Plantation,College of Forestry,Guangxi University,Nanning 530004,China

National Key Laboratory of Tropical Crop Breeding,Tropical Crops Genetic Resources Institute,Chinese Academy of Tropical Agricultural Sciences,Haikou 571101,China

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基金：

Science Fund Program for Distinguished Young Scholars of the National Natural Science Foundation of China(Overseas)National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaGuangxi University,Bama Institute of Integration of Industry and Education,postgraduate joint training projectGuangxi University,Bama Institute of Integration of Industry and Education,postgraduate joint training projectNational Key Research and Development Program of ChinaNational Key Research and Development Program of China

项目编号：

323001913237266220210020202100392023YFF10001002023YFD2200700

出版年：

2024

DOI：

10.1111/jipb.13653

植物学报(英文版)

中国植物学会

植物学报(英文版)

CSTPCD

影响因子：0.921

ISSN：1672-9072

年,卷(期)：2024.66(7)