Association Analysis Provides Insights into Plant Mitonuclear Interactions

文献类型： 外文期刊

第一作者： Lian, Qun

作者： Lian, Qun;Li, Shuai;Kan, Shenglong;Liao, Xuezhu;Wu, Zhiqiang;Li, Shuai;Kan, Shenglong;Huang, Sanwen;Sloan, Daniel B.;Wu, Zhiqiang

作者机构：

关键词： mitonuclear coevolution; mitochondria; linkage disequilibrium; RNA editing; association analysis

期刊名称：MOLECULAR BIOLOGY AND EVOLUTION （ 影响因子：10.7； 五年影响因子：15.1 ）

ISSN： 0737-4038

年卷期： 2024 年 41 卷 2 期

页码：

收录情况： SCI

摘要： Cytonuclear interaction refers to the complex and ongoing process of coevolution between nuclear and organelle genomes, which are responsible for cellular respiration, photosynthesis, lipid metabolism, etc. and play a significant role in adaptation and speciation. There have been a large number of studies to detect signatures of cytonuclear interactions. However, identification of the specific nuclear and organelle genetic polymorphisms that are involved in these interactions within a species remains relatively rare. The recent surge in whole genome sequencing has provided us an opportunity to explore cytonuclear interaction from a population perspective. In this study, we analyzed a total of 3,439 genomes from 7 species to identify signals of cytonuclear interactions by association (linkage disequilibrium) analysis of variants in both the mitochondrial and nuclear genomes across flowering plants. We also investigated examples of nuclear loci identified based on these association signals using subcellular localization assays, gene editing, and transcriptome sequencing. Our study provides a novel perspective on the investigation of cytonuclear coevolution, thereby enriching our understanding of plant fitness and offspring sterility.

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