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Long‐distance dispersal or postglacial contraction? Insights into disjunction between Himalaya–Hengduan Mountains and Taiwan in a cold‐adapted herbaceous genus, Triplostegia

Current disjunct patterns can result from long‐distance dispersal or postglacial contraction. We herein investigate the evolutionary history of Triplostegia to elucidate the disjunction between the Himalaya–Hengduan Mountain region (HHM) and Taiwan (TW). Genetic structure of Triplostegia was investi...

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Autores principales: Niu, Yan‐Ting, Ye, Jian‐Fei, Zhang, Jin‐Long, Wan, Ji‐Zhong, Yang, Tuo, Wei, Xiao‐Xin, Lu, Li‐Min, Li, Jian‐Hua, Chen, Zhi‐Duan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5773327/
https://www.ncbi.nlm.nih.gov/pubmed/29375785
http://dx.doi.org/10.1002/ece3.3719
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author Niu, Yan‐Ting
Ye, Jian‐Fei
Zhang, Jin‐Long
Wan, Ji‐Zhong
Yang, Tuo
Wei, Xiao‐Xin
Lu, Li‐Min
Li, Jian‐Hua
Chen, Zhi‐Duan
author_facet Niu, Yan‐Ting
Ye, Jian‐Fei
Zhang, Jin‐Long
Wan, Ji‐Zhong
Yang, Tuo
Wei, Xiao‐Xin
Lu, Li‐Min
Li, Jian‐Hua
Chen, Zhi‐Duan
author_sort Niu, Yan‐Ting
collection PubMed
description Current disjunct patterns can result from long‐distance dispersal or postglacial contraction. We herein investigate the evolutionary history of Triplostegia to elucidate the disjunction between the Himalaya–Hengduan Mountain region (HHM) and Taiwan (TW). Genetic structure of Triplostegia was investigated for 48 populations using sequences from five chloroplast loci and the ribosomal nuclear internal transcribed spacer. Divergence time estimation, ancestral area reconstruction, and species distribution modeling (SDM) were employed to examine the biogeographic history of Triplostegia. Substantial genetic differentiation among populations from southwestern China (SW), Central China (CC), and TW was detected. Triplostegia was inferred to have originated in SW, and diversification began during the late Miocene; CC was colonized in the mid‐Pliocene, and TW was finally colonized in the early Pleistocene. SDM suggested an expansion of climatically suitable areas during the Last Glacial Maximum and range contraction during the Last interglacial in Triplostegia. Disjunction between HHM and TW in Triplostegia is most likely the consequence of topographic isolation and postglacial contraction. The potential climatic suitability areas for Triplostegia by 2070s (2061–2080) are predicted to slightly shrink and move northward. With continued global warming and human‐induced deforestation, extinction risk may increase for the cold‐adapted species, and appropriate strategies should be employed for ecosystem conservation.
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spelling pubmed-57733272018-01-26 Long‐distance dispersal or postglacial contraction? Insights into disjunction between Himalaya–Hengduan Mountains and Taiwan in a cold‐adapted herbaceous genus, Triplostegia Niu, Yan‐Ting Ye, Jian‐Fei Zhang, Jin‐Long Wan, Ji‐Zhong Yang, Tuo Wei, Xiao‐Xin Lu, Li‐Min Li, Jian‐Hua Chen, Zhi‐Duan Ecol Evol Original Research Current disjunct patterns can result from long‐distance dispersal or postglacial contraction. We herein investigate the evolutionary history of Triplostegia to elucidate the disjunction between the Himalaya–Hengduan Mountain region (HHM) and Taiwan (TW). Genetic structure of Triplostegia was investigated for 48 populations using sequences from five chloroplast loci and the ribosomal nuclear internal transcribed spacer. Divergence time estimation, ancestral area reconstruction, and species distribution modeling (SDM) were employed to examine the biogeographic history of Triplostegia. Substantial genetic differentiation among populations from southwestern China (SW), Central China (CC), and TW was detected. Triplostegia was inferred to have originated in SW, and diversification began during the late Miocene; CC was colonized in the mid‐Pliocene, and TW was finally colonized in the early Pleistocene. SDM suggested an expansion of climatically suitable areas during the Last Glacial Maximum and range contraction during the Last interglacial in Triplostegia. Disjunction between HHM and TW in Triplostegia is most likely the consequence of topographic isolation and postglacial contraction. The potential climatic suitability areas for Triplostegia by 2070s (2061–2080) are predicted to slightly shrink and move northward. With continued global warming and human‐induced deforestation, extinction risk may increase for the cold‐adapted species, and appropriate strategies should be employed for ecosystem conservation. John Wiley and Sons Inc. 2017-12-20 /pmc/articles/PMC5773327/ /pubmed/29375785 http://dx.doi.org/10.1002/ece3.3719 Text en © 2017 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Research
Niu, Yan‐Ting
Ye, Jian‐Fei
Zhang, Jin‐Long
Wan, Ji‐Zhong
Yang, Tuo
Wei, Xiao‐Xin
Lu, Li‐Min
Li, Jian‐Hua
Chen, Zhi‐Duan
Long‐distance dispersal or postglacial contraction? Insights into disjunction between Himalaya–Hengduan Mountains and Taiwan in a cold‐adapted herbaceous genus, Triplostegia
title Long‐distance dispersal or postglacial contraction? Insights into disjunction between Himalaya–Hengduan Mountains and Taiwan in a cold‐adapted herbaceous genus, Triplostegia
title_full Long‐distance dispersal or postglacial contraction? Insights into disjunction between Himalaya–Hengduan Mountains and Taiwan in a cold‐adapted herbaceous genus, Triplostegia
title_fullStr Long‐distance dispersal or postglacial contraction? Insights into disjunction between Himalaya–Hengduan Mountains and Taiwan in a cold‐adapted herbaceous genus, Triplostegia
title_full_unstemmed Long‐distance dispersal or postglacial contraction? Insights into disjunction between Himalaya–Hengduan Mountains and Taiwan in a cold‐adapted herbaceous genus, Triplostegia
title_short Long‐distance dispersal or postglacial contraction? Insights into disjunction between Himalaya–Hengduan Mountains and Taiwan in a cold‐adapted herbaceous genus, Triplostegia
title_sort long‐distance dispersal or postglacial contraction? insights into disjunction between himalaya–hengduan mountains and taiwan in a cold‐adapted herbaceous genus, triplostegia
topic Original Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5773327/
https://www.ncbi.nlm.nih.gov/pubmed/29375785
http://dx.doi.org/10.1002/ece3.3719
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