Repeated Range Expansion and Glacial Endurance of Potentilla glabra (Rosaceae) in the Qinghai-Tibetan Plateau

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	Repeated Range Expansion and Glacial Endurance of Potentilla glabra (Rosaceae) in the Qinghai-Tibetan Plateau
	Wang, Liu-Yang 1,2,4; Ikeda, Hiroshi 3; Liu, Teng-Liang 1; Wang, Yu-Jin 1,2; Liu, Jian-Quan 1
	2009-07-01
发表期刊	JOURNAL OF INTEGRATIVE PLANT BIOLOGY
ISSN	1672-9072
卷号	51 期号:7 页码:698-706
文章类型	Article
摘要	To date, little is still known about how alpine species occurring in the Qinghai-Tibetan Plateau (QTP) responded to past climatic oscillations. Here, by using variations of the chloroplast trnT-L, we examined the genetic distribution pattern of 101 individuals of Potentilla glabra, comprising both the interior QTP and the plateau edge. Phylogenetic and network analyses of 31 recovered haplotypes identified three tentative clades (A, B and C). Analysis of molecular variance (amova) revealed that most of the genetic variability was found within populations (0.693), while differentiations between populations were obviously distinct (F(st) = 0.307). Two independent range expansions within clades A and B occurring at approximately 316 and 201 thousand years ago (kya) were recovered from the hierarchical mismatch analysis, and these two expansions were also confirmed by Fu's F(S) values and 'g' tests. However, distant distributions of clade C and private haplotypes from clades A and B suggest that they had survived the Last Glacial Maximum (LGM) and previous glaciers in situ since their origins. Our findings based on available limited samples support that multiple refugia of a few cold-enduring species had been maintained in the QTP platform during LGM and/or previous glacial stages.; To date, little is still known about how alpine species occurring in the Qinghai-Tibetan Plateau (QTP) responded to past climatic oscillations. Here, by using variations of the chloroplast trnT-L, we examined the genetic distribution pattern of 101 individuals of Potentilla glabra, comprising both the interior QTP and the plateau edge. Phylogenetic and network analyses of 31 recovered haplotypes identified three tentative clades (A, B and C). Analysis of molecular variance (amova) revealed that most of the genetic variability was found within populations (0.693), while differentiations between populations were obviously distinct (F(st) = 0.307). Two independent range expansions within clades A and B occurring at approximately 316 and 201 thousand years ago (kya) were recovered from the hierarchical mismatch analysis, and these two expansions were also confirmed by Fu's F(S) values and 'g' tests. However, distant distributions of clade C and private haplotypes from clades A and B suggest that they had survived the Last Glacial Maximum (LGM) and previous glaciers in situ since their origins. Our findings based on available limited samples support that multiple refugia of a few cold-enduring species had been maintained in the QTP platform during LGM and/or previous glacial stages.
关键词	Glacial Refugia Phylogeography Potentilla Glabra Qinghai-tibetan Plateau Range Expansion Trnt-l
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]	MAXIMUM-LIKELIHOOD ; POPULATION-GROWTH ; CHLOROPLAST DNA ; ICE AGES ; PINUS-DENSATA ; QUATERNARY ; PHYLOGEOGRAPHY ; MITOCHONDRIAL ; SPECIATION ; INFERENCE
收录类别	SCI
语种	英语
WOS研究方向	Biochemistry & Molecular Biology ; Plant Sciences
WOS类目	Biochemistry & Molecular Biology ; Plant Sciences
WOS记录号	WOS:000267426600008
引用统计	被引频次：63[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://210.75.249.4/handle/363003/1850
专题	中国科学院西北高原生物研究所
作者单位	1.Lanzhou Univ, Sch Life Sci, Inst Mol Ecol, MOE Key Lab Arid & Grassland Ecol, Lanzhou 730000, Peoples R China 2.Chinese Acad Sci, NW Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810001, Peoples R China 3.Univ Tokyo, Univ Museum, Dept Bot, Tokyo 1130033, Japan 4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Wang, Liu-Yang,Ikeda, Hiroshi,Liu, Teng-Liang,et al. Repeated Range Expansion and Glacial Endurance of Potentilla glabra (Rosaceae) in the Qinghai-Tibetan Plateau[J]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2009,51(7):698-706.
APA	Wang, Liu-Yang,Ikeda, Hiroshi,Liu, Teng-Liang,Wang, Yu-Jin,&Liu, Jian-Quan.(2009).Repeated Range Expansion and Glacial Endurance of Potentilla glabra (Rosaceae) in the Qinghai-Tibetan Plateau.JOURNAL OF INTEGRATIVE PLANT BIOLOGY,51(7),698-706.
MLA	Wang, Liu-Yang,et al."Repeated Range Expansion and Glacial Endurance of Potentilla glabra (Rosaceae) in the Qinghai-Tibetan Plateau".JOURNAL OF INTEGRATIVE PLANT BIOLOGY 51.7(2009):698-706.