Montane refugia isolation and plateau population expansion: Phylogeography of Sino-Himalayan endemic Spenceria ramalana (Rosaceae)
Yue, Liang-Liang1,2,3; Sun, Hang1
2014-05-01
发表期刊JOURNAL OF SYSTEMATICS AND EVOLUTION
ISSN1674-4918
卷号52期号:3页码:326-340
摘要Climate oscillations and landscape heterogeneity make the historical population processes of organisms of the Qinghai-Tibet Plateau quite complex. We used chloroplast DNA sequences and amplified fragment length polymorphism (AFLPs) to study the phylogeography and genetic variation of the Qinghai-Tibet Plateau endemic Spenceria ramalana Trimen. The parsimony network contains two star-like evolutionary units, nested into two nested clades, coinciding with geographic population groups indicated by SAMOVA software. The central group shows genetic homogeneity, indicating a bottleneck or founder effect of population dynamics. Margin groups contribute more haplotype diversity (C-T), indicating potential refugia. Several expansion events during several interglacial periods were detected. The latest expansion of the eastern population contributed to the modern population structure of the central area. Four AFLP clusters were detected. Higher C-T, a relict pattern of haplotype distribution and DW values of marginal populations, confirmed the location of potential montane refugia. Relict distribution pattern, nested clade phylogeographic analysis conclusions, and restricted gene flow detected by AFLPs indicated an isolation pattern of the populations of montane areas. Heterogeneity of landscape of the western and southern montane areas could be the main barrier for gene flow. Moisture conditions and ecotype transformation might help to build the phylogeographic pattern of this species. Neither chloroplast DNA markers nor AFLP was able to differentiate the two varieties of this species.
关键词Ecotype Transformation Phylogeography Population Expansion Qinghai-tibet Plateau Refugia Spenceria Ramalana
资助信息Chinese Academy of Sciences [XDB03030112]; Joint Funds of the National Natural Science Foundation of China; Yunnan Natural Science Foundation [U1136601]; Hundred Talents Program of the Chinese Academy of Sciences [2011312D11022]
学科领域Plant Sciences
DOI10.1111/jse.12038
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000335400300009
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/18136
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Yunnan Entry Exit Inspect & Quarantine Bur, State Key Laborotary Species Identificat, Kunming 650228, Peoples R China
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Yue, Liang-Liang,Sun, Hang. Montane refugia isolation and plateau population expansion: Phylogeography of Sino-Himalayan endemic Spenceria ramalana (Rosaceae)[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2014,52(3):326-340.
APA Yue, Liang-Liang,&Sun, Hang.(2014).Montane refugia isolation and plateau population expansion: Phylogeography of Sino-Himalayan endemic Spenceria ramalana (Rosaceae).JOURNAL OF SYSTEMATICS AND EVOLUTION,52(3),326-340.
MLA Yue, Liang-Liang,et al."Montane refugia isolation and plateau population expansion: Phylogeography of Sino-Himalayan endemic Spenceria ramalana (Rosaceae)".JOURNAL OF SYSTEMATICS AND EVOLUTION 52.3(2014):326-340.
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