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Genomic divergence and demographic history of Quercus aliena populations

Han, Biao ; Tong, Boqiang ; Zhang, Jiliang ; Bu, Ziheng ; Zhao, Lijun ; Xian, Yang ; Li, Dezhu ; Xie, Xiaoman

BMC plant biology, 2024-01, Vol.24 (1), p.39-39, Article 39 [Periódico revisado por pares]

England: BioMed Central Ltd

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Título:
Genomic divergence and demographic history of Quercus aliena populations
Autor: Han, Biao ; Tong, Boqiang ; Zhang, Jiliang ; Bu, Ziheng ; Zhao, Lijun ; Xian, Yang ; Li, Dezhu ; Xie, Xiaoman
Assuntos: Analysis ; Biological diversity ; Botanical research ; Chloroplasts ; Datasets ; Demographic history ; Demographics ; Demography ; Discordance ; Dispersal ; Divergence ; Divergent evolution ; Evolution ; Forests ; Frequency variation ; Gene frequency ; Genetic aspects ; Genetic divergence ; Genetic diversity ; Genetic structure ; Genomes ; Genomics ; Genotypes ; Glaciation ; Glaciology ; Haplotypes ; History ; Humans ; Natural history ; Oak ; Phylogenetics ; Phylogeny ; Phylogeography ; Plant populations ; Plant species ; Population ; Population biology ; Population decline ; Population Density ; Population Dynamics ; Population genetics ; Population number ; Population structure ; Quercus - genetics ; Quercus aliena ; Single nucleotide polymorphisms ; Single-nucleotide polymorphism ; Species diversity ; Structural analysis ; Temperate forests ; Trees
É parte de: BMC plant biology, 2024-01, Vol.24 (1), p.39-39, Article 39
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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Descrição: Quercus aliena is a major montane tree species of subtropical and temperate forests in China, with important ecological and economic value. In order to reveal the species' population dynamics, genetic diversity, genetic structure, and association with mountain habitats during the evolutionary process, we re-sequenced the genomes of 72 Q. aliena individuals. The whole chloroplast and nuclear genomes were used for this study. Phylogenetic analysis using the chloroplast genome dataset supported four clades of Q. aliena, while the nuclear dataset supported three major clades. Sex-biased dispersal had a critical role in causing discordance between the chloroplast and nuclear genomes. Population structure analysis showed two groups in Q. aliena. The effective population size sharply declined 1 Mya, coinciding with the Poyang Glaciation in Eastern China. Using genotype-climate association analyses, we found a positive correlation between allele frequency variation in SNPs and temperature, suggesting the species has the capacity to adapt to changing temperatures. Overall, this study illustrates the genetic divergence, genomic variation, and evolutionary processes behind the demographic history of Q. aliena.
Editor: England: BioMed Central Ltd
Idioma: Inglês

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Genomic divergence and demographic history of Quercus aliena populations

Han, Biao ; Tong, Boqiang ; Zhang, Jiliang ; Bu, Ziheng ; Zhao, Lijun ; Xian, Yang ; Li, Dezhu ; Xie, Xiaoman

England: BioMed Central Ltd

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