Geographical or ecological divergence between the parapatric species Ephedra sinica and E-intermedia?

doi:10.1007/s00606-016-1323-5

	Geographical or ecological divergence between the parapatric species Ephedra sinica and E-intermedia?
	Yin, Hengxia 1; Yan, Xia 2; Zhang, Wen ; Shi, Yong 1; Qian, Chaoju 1; Yin, Chengliang 1; Tian, Fang ; Wang, Xiaoquan3 ; Ma, Xiao-Fei
	2016
发表期刊	PLANT SYSTEMATICS AND EVOLUTION
ISSN	0378-2697
卷号	302 期号:8 页码:1157-1170
摘要	Understanding the factors that contribute to population genetic structures and ecological niche divergence is crucial for elucidating the biogeographical history and speciation of plants. To disentangle the present phylogeographical patterns and evolutionary history of two closely related parapatric species from Ephedra (Ephedra sinica and E. intermedia), we systematically profiled their population genetic structures, niche divergence and potential speciation processes based on sequence variation of four chloroplast DNA fragments and climate-based ecological niche modelling (ENM). Phylogenetic analyses suggested that E. sinica formed a monophyly which was nested in E. intermedia. The latter species formed two paraphyletic subclades, corresponding to Western and Eastern lineages. Furthermore, the phylogeographical analysis results indicated very significant inter- and intra-species genetic differentiation, and BEAST inference suggested that E. sinica diverged from E. intermedia at 3.20 million years ago (Ma; 95 % HPD: 2.05-8.10 Ma), while the Western lineage of E. intermedia diverged much earlier at 6.10 Ma (95 % HPD: 4.10-11.82 Ma). In addition, niche identity tests performed using MaxEnt strongly supported the hypothesis that the two sister species had significantly diverged on their ecological niches. Isolation by geographical and environment distance (IBD and IBE) tests suggested that the overall divergence of the populations from the two species were more influenced by environmental factors. Our data provide new insight into the ecological speciation of Ephedra and also provides molecular evidence for the identification and genetic conservation of these important pharmaceutical plants.
关键词	Chloroplast DNA Ecological niche modelling Ephedra Isolation by environment Phylogeography
学科领域	Plant Sciences ; Evolutionary Biology
DOI	10.1007/s00606-016-1323-5
收录类别	SCI
语种	英语
WOS关键词	PINE PINUS-DENSATA ; GENETIC-STRUCTURE ; TIBETAN PLATEAU ; WESTERN CHINA ; DESERT SHRUB ; CHARACTER DISPLACEMENT ; NICHE DIFFERENTIATION ; REAUMURIA-SOONGARICA ; MAXIMUM-LIKELIHOOD ; QUATERNARY CLIMATE
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000383709100014
出版者	SPRINGER WIEN
文献子类	Article
出版地	WIEN
EISSN	1615-6110
资助机构	National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [31370395, 31500266] ; One Hundred Talents project of the Chinese Academy of SciencesChinese Academy of Sciences [29Y127E71] ; State Key Laboratory of Systematic and Evolutionary Botany, CAS [LSEB2012-06]
作者邮箱	maxiaofei@lzb.ac.cn
引用统计	被引频次：8[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/25387
专题	中科院植物分子生理学重点实验室
作者单位	1.Chinese Acad Sci, Key Lab Stress Physiol & Ecol Cold & Arid Reg, Cold & Arid Reg Environm & Engn Res Inst, Dept Ecol & Agr Res, Donggang West Rd 320, Lanzhou 730000, Gansu, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Ecohydrol & Inland River Basin, Lanzhou 730000, Gansu, Peoples R China 4.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
推荐引用方式 GB/T 7714	Yin, Hengxia,Yan, Xia,Zhang, Wen,et al. Geographical or ecological divergence between the parapatric species Ephedra sinica and E-intermedia?[J]. PLANT SYSTEMATICS AND EVOLUTION,2016,302(8):1157-1170.
APA	Yin, Hengxia.,Yan, Xia.,Zhang, Wen.,Shi, Yong.,Qian, Chaoju.,...&Ma, Xiao-Fei.(2016).Geographical or ecological divergence between the parapatric species Ephedra sinica and E-intermedia?.PLANT SYSTEMATICS AND EVOLUTION,302(8),1157-1170.
MLA	Yin, Hengxia,et al."Geographical or ecological divergence between the parapatric species Ephedra sinica and E-intermedia?".PLANT SYSTEMATICS AND EVOLUTION 302.8(2016):1157-1170.

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