Phylogeography and introgression between Pinus kesiya and Pinus yunnanensis in Southeast Asia. Gao, J., Tomlinson, K. W., Zhao, W., Wang, B., Lapuz, R. S., Liu, J., Pasion, B. O., Hai, B. T., Chanthayod, S., Chen, J., & Wang, X. Journal of Systematics and Evolution, January, 2023. _eprint: https://onlinelibrary.wiley.com/doi/pdf/10.1111/jse.12949![Phylogeography and introgression between Pinus kesiya and Pinus yunnanensis in Southeast Asia [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Southeast Asia (SEA) has seen strong climatic oscillations and fluctuations in sea levels during the Quaternary. The impact of past climate changes on the evolution and distribution of local flora in SEA is still poorly understood. Here we aim to infer how the Quaternary climate change affects the evolutionary process and range shifts in two pine species. We investigated the population genetic structure and diversity using cytoplasmic DNA markers, and performed ecological niche modeling to reconstruct the species past distribution and to project range shift under future climates. We found substantial gene flow across the continuous distribution of the subtropical Pinus yunnanensis. In contrast, the tropical Pinus kesiya showed a strong population structure in accordance with its disjunct distribution across montane islands in Indochina and the Philippines. A broad hybrid zone of the two species occurs in southern Yunnan. Asymmetric introgression from the two species was detected in this zone with dominant mitochondrial gene flow from P. yunnanensis and chloroplast gene flow from P. kesiya. The observed population structure suggests a typical postglaciation expansion in P. yunnanensis, and a glacial expansion and interglacial contraction in P. kesiya. Ecological niche modeling supports the inferred demographic history and predicts a decrease in range size for P. kesiya under future climates. Our results suggest that tropical pine species in SEA have undergone evolutionary trajectories different from high latitude species related to their Quaternary climate histories. We also illustrate the need for urgent conservation actions in this fragmented landscape.
@article{gao_phylogeography_2023,
title = {Phylogeography and introgression between {Pinus} kesiya and {Pinus} yunnanensis in {Southeast} {Asia}},
volume = {n/a},
issn = {1759-6831},
url = {https://onlinelibrary.wiley.com/doi/abs/10.1111/jse.12949},
doi = {10.1111/jse.12949},
abstract = {Southeast Asia (SEA) has seen strong climatic oscillations and fluctuations in sea levels during the Quaternary. The impact of past climate changes on the evolution and distribution of local flora in SEA is still poorly understood. Here we aim to infer how the Quaternary climate change affects the evolutionary process and range shifts in two pine species. We investigated the population genetic structure and diversity using cytoplasmic DNA markers, and performed ecological niche modeling to reconstruct the species past distribution and to project range shift under future climates. We found substantial gene flow across the continuous distribution of the subtropical Pinus yunnanensis. In contrast, the tropical Pinus kesiya showed a strong population structure in accordance with its disjunct distribution across montane islands in Indochina and the Philippines. A broad hybrid zone of the two species occurs in southern Yunnan. Asymmetric introgression from the two species was detected in this zone with dominant mitochondrial gene flow from P. yunnanensis and chloroplast gene flow from P. kesiya. The observed population structure suggests a typical postglaciation expansion in P. yunnanensis, and a glacial expansion and interglacial contraction in P. kesiya. Ecological niche modeling supports the inferred demographic history and predicts a decrease in range size for P. kesiya under future climates. Our results suggest that tropical pine species in SEA have undergone evolutionary trajectories different from high latitude species related to their Quaternary climate histories. We also illustrate the need for urgent conservation actions in this fragmented landscape.},
language = {en},
number = {n/a},
urldate = {2023-03-31},
journal = {Journal of Systematics and Evolution},
author = {Gao, Jie and Tomlinson, Kyle W. and Zhao, Wei and Wang, Baosheng and Lapuz, Ralph Sedricke and Liu, Jing-Xin and Pasion, Bonifacio O. and Hai, Bach T. and Chanthayod, Souvick and Chen, Jin and Wang, Xiao-Ru},
month = jan,
year = {2023},
note = {\_eprint: https://onlinelibrary.wiley.com/doi/pdf/10.1111/jse.12949},
keywords = {Pinus kesiya, Pinus yunnanensis, cpDNA, introgression, mtDNA capture, phylogeography},
}
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The observed population structure suggests a typical postglaciation expansion in P. yunnanensis, and a glacial expansion and interglacial contraction in P. kesiya. Ecological niche modeling supports the inferred demographic history and predicts a decrease in range size for P. kesiya under future climates. Our results suggest that tropical pine species in SEA have undergone evolutionary trajectories different from high latitude species related to their Quaternary climate histories. 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