Population genetic structure and phylogeographic patterns in the Chinese endemic species Sagittaria lichuanensis, inferred from cpDNA atpB-rbcL intergenic spacers

doi:10.1139/B10-053

CORC > 武汉植物园 > 中国科学院武汉植物园

	Population genetic structure and phylogeographic patterns in the Chinese endemic species Sagittaria lichuanensis, inferred from cpDNA atpB-rbcL intergenic spacers
	Liu, Fan 1,2; Zhao, Shu-Ying 3; Li, Wei 1,2; Chen, Jin-Ming 1,2; Wang, Qing-Feng 1,2
刊名	BOTANY-BOTANIQUE
	2010-10-01
卷号	88 期号:10 页码:886-892
ISSN号	1916-2790
DOI	10.1139/B10-053
英文摘要	Both historical (e. g., glaciations) and spatial (geological features) factors are considered to have had significant influences on the distribution and genetic structure of many plants. To understand the effects of such factors on the current genetic and geographical distributions of plant species in the Nanling and central regions in China, we examined genetic variation and phylogeographical patterns of Sagittaria lichuanensis J.K. Chen (Alismataceae), an endangered and endemic species in China, using chloroplast DNA atpB-rbcL intergenic spacer sequence variation. In this study, a total of 9 haplotypes from 47 individuals in 6 populations of S. lichuanensis were detected. The N(ST) (0.193) was significantly higher than G(ST) (0.082) (P < 0.05), indicating a significant phylogeographical structure. In the minimum spanning network (MSN) of the haplotypes, the distribution of haplotypes showed an east-west split. The results of the Mantel test analysis showed that there was no correlation between the genetic distance and geographical distance (r = 0.539, P > 0.05). The formation of barriers to dispersal might have played an important role in shaping the population genetic structure of S. lichuanensis. Within each region (east and west regions), high levels of gene flow between populations and low levels of population differentiation were found. Several conditions, such as co-ancestry due to recent common ancestry or short period of isolation, might have occurred among the populations studied. In the MSN, all tip haplotypes except for two (A and G) occurred in two or more populations, and the haplotype D in the interior node was widespread. The haplotype D is likely to be an ancestral haplotype and represents the relic, widely distributed haplotype before the populations were fragmented and isolated by mountain uplift.
资助项目	Chinese Academy of Sciences[KSCX2-YW-Z-0805] ; National Natural Science Foundation of China[30570291] ; National Natural Science Foundation of China[30800061]
WOS研究方向	Plant Sciences
语种	英语
出版者	CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
WOS记录号	WOS:000282589600003
内容类型	期刊论文
源URL	[http://202.127.146.157/handle/2RYDP1HH/918]
专题	中国科学院武汉植物园
通讯作者	Chen, Jin-Ming
作者单位	1.Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan 430074, Peoples R China 2.Chinese Acad Sci, Wuhan Bot Garden, Wuhan 430074, Hubei, Peoples R China 3.Wuhan Univ, Coll Life Sci, Lab Plant Systemat & Evolutionary Biol, Wuhan 430072, Hubei, Peoples R China
推荐引用方式 GB/T 7714	Liu, Fan,Zhao, Shu-Ying,Li, Wei,et al. Population genetic structure and phylogeographic patterns in the Chinese endemic species Sagittaria lichuanensis, inferred from cpDNA atpB-rbcL intergenic spacers[J]. BOTANY-BOTANIQUE,2010,88(10):886-892.
APA	Liu, Fan,Zhao, Shu-Ying,Li, Wei,Chen, Jin-Ming,&Wang, Qing-Feng.(2010).Population genetic structure and phylogeographic patterns in the Chinese endemic species Sagittaria lichuanensis, inferred from cpDNA atpB-rbcL intergenic spacers.BOTANY-BOTANIQUE,88(10),886-892.
MLA	Liu, Fan,et al."Population genetic structure and phylogeographic patterns in the Chinese endemic species Sagittaria lichuanensis, inferred from cpDNA atpB-rbcL intergenic spacers".BOTANY-BOTANIQUE 88.10(2010):886-892.