Phylogeography of Parasyncalathium souliei (Asteraceae) and Its Potential Application in Delimiting Phylogeoregions in the Qinghai-Tibet Plateau (QTP)-Hengduan Mountains (HDM) Hotspot
Lin, Nan1,2,3; Deng, Tao3; Moore, Michael J.4; Sun, Yanxia1; Huang, Xianhan3; Sun, Wenguang3; Luo, Dong3; Wang, Hengchang1; Zhang, Jianwen3; Sun, Hang3
2018-05-17
Source PublicationFRONTIERS IN GENETICS
ISSN1664-8021
Volume9Issue:1Pages:1
Abstract

Biogeographic regionalization can help to better understand diversity in biogeography, conservation, and macroecology. Historical regionalization schemes typically focus on species distributions, often rarely considering the rich context that phylogeographic information can provide. We investigated whether phylogeographic data could help to delineate floristic regions in the Qinghai-Tibet Plateau (QTP)-Hengduan Mountains (HDM) region by analyzing phylogeographic structure in the herb Parasyncalathium souliei (Asteraceae). We sequenced the plastid psbA-tmH and tmL-132 spacer regions for 417 individuals in 36 populations across the geographic range of the species. To estimate the phylogeographic history of this species, a series of population genetic, phylogenetic, molecular dating, and haplotype network analyses were conducted, as were tested for historical demographic expansions. Using occurrence data, species distribution modeling was used to estimate geographic distributions at three time points: the present, the Mid-Holocene and the Last Glacial Maximum. Significant phylogeographic structure was evident (N-ST> G(ST); P < 0.05) among the 37 haplotypes detected. Four major haplogroups were identified based on phylogenetic analyses. Private haplotypes were restricted to geographically distinct regions that generally corresponded to previously identified biogeographic subregions within the QTP-HDM region. Our results imply Pliocene-Pleistocene diversification of P souliei and suggest that the species may have been geographically widespread early in its history. This study may provide valuable evidence for phylogeographic regionalization using chloroplast genetic data in a common, widespread endemic species from the QTP-HDM.

KeywordQinghai-tibet Plateau (Otp)-hengduan Mountains (Hdm) Parasyncalathium Souliei Phylogeography Genetic Distribution Phylogeoregion
DOI10.3389/fgene.2018.00171
Language英语
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/61352
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.Chinese Acad Sci, Wuhan Bot Garden, Key Lab Plant Germplasm Enhancement & Specialty A, Wuhan, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming, Yunnan, Peoples R China
4.Oberlin Coll, Dept Biol, Oberlin, OH 44074 USA
Recommended Citation
GB/T 7714
Lin, Nan,Deng, Tao,Moore, Michael J.,et al. Phylogeography of Parasyncalathium souliei (Asteraceae) and Its Potential Application in Delimiting Phylogeoregions in the Qinghai-Tibet Plateau (QTP)-Hengduan Mountains (HDM) Hotspot[J]. FRONTIERS IN GENETICS,2018,9(1):1.
APA Lin, Nan.,Deng, Tao.,Moore, Michael J..,Sun, Yanxia.,Huang, Xianhan.,...&Sun, Hang.(2018).Phylogeography of Parasyncalathium souliei (Asteraceae) and Its Potential Application in Delimiting Phylogeoregions in the Qinghai-Tibet Plateau (QTP)-Hengduan Mountains (HDM) Hotspot.FRONTIERS IN GENETICS,9(1),1.
MLA Lin, Nan,et al."Phylogeography of Parasyncalathium souliei (Asteraceae) and Its Potential Application in Delimiting Phylogeoregions in the Qinghai-Tibet Plateau (QTP)-Hengduan Mountains (HDM) Hotspot".FRONTIERS IN GENETICS 9.1(2018):1.
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