Evidence map›Paper›PMID 38654171›Full record

ArticleBMC ecology and evolution2024

Conserved DNA sequence analysis reveals the phylogeography and evolutionary events of Akebia trifoliata in the region across the eastern edge of the Tibetan Plateau and subtropical China.

Qing Dong, Yongle Zhang, Shengfu Zhong, Qiuyi Zhang, Hao Yang, Huai Yang, Xiaoxiao Yi, Feiquan Tan, Chen Chen, Peigao Luo

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Article in BMC ecology and evolution, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

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1 citing paper in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Qing DongKey Laboratory of Plant Genetics and Breeding at Sichuan Agricultural University of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
Yongle ZhangKey Laboratory of Plant Genetics and Breeding at Sichuan Agricultural University of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
Shengfu ZhongKey Laboratory of Plant Genetics and Breeding at Sichuan Agricultural University of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
Qiuyi ZhangKey Laboratory of Plant Genetics and Breeding at Sichuan Agricultural University of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
Hao YangKey Laboratory of Plant Genetics and Breeding at Sichuan Agricultural University of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
Huai YangKey Laboratory of Plant Genetics and Breeding at Sichuan Agricultural University of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
Xiaoxiao YiKey Laboratory of Plant Genetics and Breeding at Sichuan Agricultural University of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
Feiquan TanKey Laboratory of Plant Genetics and Breeding at Sichuan Agricultural University of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
Chen ChenKey Laboratory of Plant Genetics and Breeding at Sichuan Agricultural University of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
Peigao LuoKey Laboratory of Plant Genetics and Breeding at Sichuan Agricultural University of Sichuan Province, Sichuan Agricultural University, Chengdu, China. lpglab@sicau.edu.cn.

Funding

Sichuan Science and Technology Program 2022ZHXC0028
6 · The paper itself

Abstract

backgroundThe eastern edge of the Qinghai‒Tibet Plateau (QTP) and subtropical China have various regions where plant species originate and thrive, but these regions have been the focus of very few integrative studies. Here, we elucidated the phylogeographic structure of a continuous and widespread Akebia trifoliata population across these two regions.

resultsSixty-one populations consisting of 391 genotypes were examined to assess population diversity and structure via network distribution analysis, maximum likelihood phylogenetic tree reconstruction, divergence time estimation, demographic history inference, and ancestral area reconstruction of both conserved internal transcribed spacer (ITS) and chloroplast (rps16) DNA sequences. The results showed that the ITS region was more variable than the rps16 region and could be suitable for studying intraspecific phylogeography. The A. trifoliata population displayed high genetic diversity, genetic differentiation and obvious phylogeographical structure, possibly originating on the eastern QTP, expanding during the last glacial-interglacial cycle, diverging in the early Pleistocene and middle Pleistocene, and extensively migrating thereafter. The migration route from west to east along rivers could be largely responsible for the long-distance dispersal of this species, while three main refuges (Qinba Mountains, Nanling Mountains and Yunnan-Guizhou Plateau) with multiple ice shelters facilitated its wide distribution.

conclusionsOur results suggested that the from west to east long migration accompanying with the minor short reciprocal migration in the south-north direction, and the three main refuges (the Qinba Mountains, Nanling Mountains and Yunnan-Guizhou Plateau) contributed to the extant geographical distribution of A. trifoliata. In addition, this finding also strongly reduced the discrepancy between glacial contraction and postglacial expansion and the in situ survival hypothesis by simultaneously considering the existence of many similar climate-related ecological niches and migration influences.

Indexed as

PhylogeographyChinaDNA, ChloroplastDNA, PlantEvolution, MolecularGenetic VariationPhylogenySequence Analysis, DNATibetDNA, ChloroplastDNA, PlantAkebia TrifoliataIntraspecific evolutionITS sequenceMigrationPhylogeographyrps16

Identifiers

PMID38654171
PMCPMC11040917

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