RAD-seq data for Engelhardia roxburghiana provide insights into the palaeogeography of Hainan Island and its relationship to mainland China since the late Eocene

Huang, Pei-Han; Wang, Tian-Rui; Li, Min; Lu, Zi-Jia; Su, Ren-Ping; Fang, Ou-Yan; Li, Lang; Zhou, Shi-Shun; Tan, Yun-Hong; Meng, Hong-Hu; Song, Yi-Gang; Li, Jie

doi:10.1016/j.palaeo.2024.112392

Cited by 2 publications

References 86 publications

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Phylogeography of a herbal Pinellia ternata reveals repeated range expansions and inter/postglacial recolonization routes on the fragmented distribution pattern in China

Jiang,

Wu,

et al. 2024

Ecology and Evolution

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Most plant phylogeographic studies in China have focused on the importance of genetic divergence and where should the shelter be located. Little attention has been paid to range expansion and recolonization routes in this region. In this study, two cpDNA fragments (psbK‐psbI and trnL‐F), two pairs of nuclear gene sequences (ITS and ETS), and nine pairs of SSR molecular markers were used, combined with Bayesian Skyline Plot method, gene barrier analysis, and species distribution models to explore the phylogeographical pattern, potential expansion routes and population dynamic history of Pinellia ternata from 22 population. The results showed that phylogeograhical pattern and genetic structure for P. ternata are effected by environmental heterogeneity and climate fluctuation, and it can be divided into two groups (Southwest group, Central and Eastern group) and thus there are at least two glacial refugia in China. Three expanding routes within groups were explored to contribute to the phylogeogrephic pattern of P. ternata based on the geographical distribution and network analysis of haplotypes. In a word, our study reveals repeated range expansions and inter/postglacial recolonization routes on the fragmented distribution pattern in China and resolves the refugia distributing in China and has also certain reference value for the protection of the medicinal plant P. ternata.

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Phylogeography of a herbal Pinellia ternata reveals repeated range expansions and inter/postglacial recolonization routes on the fragmented distribution pattern in China

Jiang,

Wu,

et al. 2024

Ecology and Evolution

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Target enrichment phylogenomics and biogeographic analyses unravel rapid radiation and reticulate evolution between Hainan-South China mainland -Vietnam in SectionNintooa(Lonicera, Caprifoliaceae)

Zuo,

Sun,

Morales-Briones

et al. 2024

Preprint

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The South China mainland and nearby islands are biodiversity hotspots. SectionNintooa, widely distributed across mainland China, Vietnam, and Hainan Island, exhibits a typical disjunct distribution pattern. However, the origins of the flora of Hainan Island and the phylogenetic relationships within SectionNintooaremain contentious. In this study, we collected 81 samples encompassing all recognized species of SectionNintooa, along with samples from other sections ofLonicera. We reconstructed the phylogenetic relationships using 491 orthologous nuclear genes and complete plastomes generated by target enrichment and genome skimming sequencing. Our nuclear gene-based species and concatenated trees support the monophyly of SectionNintooa. The species tree indicates that the Vietnamese and Hainan populations form sister clades. However, the plastome results indicate that SectionNintooais polyphyletic, with subsectionVolubilisforming a monophyletic group and subsectionCalcarataeforming a sister clade with other members of subgenusChamaecerasus. Our hybridization network analysis reveals extensive gene flow within SectionNintooa, whereas subsectionCalcarataeshows no gene flow with subsectionVolubilis, leaving the origin ofCalcarataeunclear.Loniceraspecies from Hainan Island exhibit unstable phylogenetic positions and underwent a rapid radiation during the Miocene. Biogeographical results indicate that populations from Vietnam and Hainan both originated from mainland China. Overall, our findings enhance the understanding of the evolutionary diversification history ofLonicera.

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RAD-seq data for Engelhardia roxburghiana provide insights into the palaeogeography of Hainan Island and its relationship to mainland China since the late Eocene

Cited by 2 publications

References 86 publications

Phylogeography of a herbal Pinellia ternata reveals repeated range expansions and inter/postglacial recolonization routes on the fragmented distribution pattern in China

Phylogeography of a herbal Pinellia ternata reveals repeated range expansions and inter/postglacial recolonization routes on the fragmented distribution pattern in China

Target enrichment phylogenomics and biogeographic analyses unravel rapid radiation and reticulate evolution between Hainan-South China mainland -Vietnam in SectionNintooa(Lonicera, Caprifoliaceae)

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