COMPARATIVE PHYLOGEOGRAPHY OF THE WILD-RICE GENUS ZIZANIA (POACEAE) IN EASTERN ASIA AND NORTH AMERICA

doi:10.3732/ajb.1400323

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	COMPARATIVE PHYLOGEOGRAPHY OF THE WILD-RICE GENUS ZIZANIA (POACEAE) IN EASTERN ASIA AND NORTH AMERICA
	Xu, Xin-Wei ; Wu, Jin-Wei ; Qi, Mei-Xia ; Lu, Qi-Xiang ; Lee, Peter F.; Lutz, Sue 2; Ge, Song 3; Wen, Jun 2
刊名	AMERICAN JOURNAL OF BOTANY
	2015
卷号	102 期号:2 页码:239-247
关键词	cpDNA eastern Asia intercontinental disjunction microsatellite North America phylogeography Zizania
ISSN号	0002-9122
DOI	10.3732/ajb.1400323
文献子类	Article
英文摘要	Premise of the study: Comparative phylogeography of intercontinental disjunct taxa allowed us not only to elucidate their diversification and evolution following geographic isolation, but also to understand the effect of climatic and geological histories on the evolutionary processes of closely related species. A phylogeographic analysis was conducted on the eastern Asian-North American disjunct genus Zizania to compare intracontinental phylogeographic patterns between different continents. Methods: Surveys were conducted of 514 individuals using three chloroplast DNA fragments and three nuclear microsatellite loci. These individuals included 246 from 45 populations of Zizania latifolia in eastern Asia, and the following from North America: 154 individuals from 26 populations of Z. aquatica, 84 individuals from 14 populations of Z. palustris, and 30 individuals from one population of Z. texana. Key results: The genetic diversity of North American Zizania was significantly higher than that of eastern Asian Zizania. High levels of genetic differentiation among populations and no signal of population expansion were detected in three widespread species. No phylogeographic structure was observed in Zizania latifolia, and discordant patterns of cpDNA and microsatellite markers were observed in North American Zizania. Conclusions: Reduced variation in Zizania latifolia likely reflects its perennial life history, the North American origin of Zizania, and the relative homogeneity of aquatic environments. High levels of genetic differentiation suggest limited dispersal among populations in all Zizania species. The more complex patterns of diversification and evolution in North American Zizania may be driven by the greater impact of glaciation in North America relative to eastern Asia.
学科主题	Plant Sciences
电子版国际标准刊号	1537-2197
出版地	HOBOKEN
WOS关键词	MOLECULAR EVOLUTION ; SPECIES-DIVERSITY ; COLONIZATION ; SOFTWARE ; HISTORY ; RATES ; ALISMATACEAE ; POPULATIONS ; SPECIATION ; SEQUENCES
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
语种	英语
出版者	WILEY
WOS记录号	WOS:000349539800009
资助机构	National Natural Science Foundation of China [31070190, 31270265] ; Laboratory of Analytical Biology of the Smithsonian Institution
内容类型	期刊论文
源URL	[http://ir.ibcas.ac.cn/handle/2S10CLM1/25713]
专题	系统与进化植物学国家重点实验室
作者单位	1.Wuhan Univ, Coll Life Sci, Natl Field Stn Freshwater Ecosyst Liangzi Lake, Wuhan 430072, Peoples R China 2.Lee, Peter F.] Lakehead Univ, Dept Biol, Thunder Bay, ON P7B 5E1, Canada 3.Smithsonian Inst, Natl Museum Nat Hist, Dept Bot, Washington, DC 20013 USA 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	Xu, Xin-Wei,Wu, Jin-Wei,Qi, Mei-Xia,et al. COMPARATIVE PHYLOGEOGRAPHY OF THE WILD-RICE GENUS ZIZANIA (POACEAE) IN EASTERN ASIA AND NORTH AMERICA[J]. AMERICAN JOURNAL OF BOTANY,2015,102(2):239-247.
APA	Xu, Xin-Wei.,Wu, Jin-Wei.,Qi, Mei-Xia.,Lu, Qi-Xiang.,Lee, Peter F..,...&Wen, Jun.(2015).COMPARATIVE PHYLOGEOGRAPHY OF THE WILD-RICE GENUS ZIZANIA (POACEAE) IN EASTERN ASIA AND NORTH AMERICA.AMERICAN JOURNAL OF BOTANY,102(2),239-247.
MLA	Xu, Xin-Wei,et al."COMPARATIVE PHYLOGEOGRAPHY OF THE WILD-RICE GENUS ZIZANIA (POACEAE) IN EASTERN ASIA AND NORTH AMERICA".AMERICAN JOURNAL OF BOTANY 102.2(2015):239-247.