干旱区生态环境知识资源中心(Arid): Response of a desert shrub to past geological and climatic change: A phylogeographic study of Reaumuria soongarica (Tamaricaceae) in western China

Arid

	Response of a desert shrub to past geological and climatic change: A phylogeographic study of Reaumuria soongarica (Tamaricaceae) in western China
	Li Zhonghu; Chen Jian; Zhao Guifang; Guo Yupeng; Kou Yixuan; Ma Yazheng; Wang Gang; Ma Xiaofei
来源期刊	Journal of Systematics and Evolution
ISSN	1674-4918
出版年	2012
卷号	50 期号:4 页码:351-361
英文摘要	Past geological and climatic events have promoted intraspecific divergence and range shifts in numerous plant species. This is particularly true for temperate species in climate-sensitive regions. Few previous studies have examined whether such genetic footprints were also shaped in desert plants, which can survive in arid habitats and might be "static" under the past climatic oscillations. We therefore studied the phylogeographical history of Reaumuria soongarica, a shrub species that is widely distributed across the deserts of western China. We sequenced chloroplast DNA (cpDNA) fragments of 27 natural populations across western China. Eight cpDNA haplotypes were identified, which clustered into three clades. The clades were located in the western (clade II) or eastern regions (clades I and III) of western China. Analysis of molecular variance also supported this major partitioning (?67%) of the cpDNA variation between regions. However, within each region, genetic differentiation was low (29%-37%) and a single dominant haplotype was fixed; this indicated past regional range expansion. The deep divergence and regional range expansions of this species may have corresponded to the most recent uplift of the Qinghai-Tibet Plateau and the development of desert ecosystems during the last glacial age in western China. This is the first study to show that the evolutionary history of plants in desert habitats has been seriously affected by past geological and climatic change.
英文关键词	cpDNA desert plant genetic variation range expansion Reaumuria soongarica
类型	Article
语种	英语
开放获取类型	Bronze
收录类别	CSCD
WOS研究方向	Plant Sciences
CSCD记录号	CSCD:4669691
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335169
作者单位	Li Zhonghu, School of Life Sciences, Lanzhou University, State Key Laboratory of Grassland Agro-Ecosystem;;Key Laboratory of Resource Biology and Biotechnology in Western China Ministry;;Laboratory of Plant Ecophysiology and Biotechnology, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China.; Chen Jian, School of Life Sciences, Lanzhou University, State Key Laboratory of Grassland Agro-Ecosystem, Lanzhou, Gansu 730000, China.; Guo Yupeng, School of Life Sciences, Lanzhou University, State Key Laboratory of Grassland Agro-Ecosystem, Lanzhou, Gansu 730000, China.; Kou Yixuan, School of Life Sciences, Lanzhou University, State Key Laboratory of Grassland Agro-Ecosystem, Lanzhou, Gansu 730000, China.; Ma Yazheng, School of Life Sciences, Lanzhou University, State Key Laboratory of Grassland Agro-Ecosystem, Lanzhou, Gansu 730000, China.; Wang Gang, School of Life Sciences, Lanzhou University, State Key Laboratory of Grassland Agro-Ecosystem, Lanzhou, Gansu 730000, China.; Zhao Guifang, College of Life Sc...
推荐引用方式 GB/T 7714	Li Zhonghu,Chen Jian,Zhao Guifang,et al. Response of a desert shrub to past geological and climatic change: A phylogeographic study of Reaumuria soongarica (Tamaricaceae) in western China[J],2012,50(4):351-361.
APA	Li Zhonghu.,Chen Jian.,Zhao Guifang.,Guo Yupeng.,Kou Yixuan.,...&Ma Xiaofei.(2012).Response of a desert shrub to past geological and climatic change: A phylogeographic study of Reaumuria soongarica (Tamaricaceae) in western China.Journal of Systematics and Evolution,50(4),351-361.
MLA	Li Zhonghu,et al."Response of a desert shrub to past geological and climatic change: A phylogeographic study of Reaumuria soongarica (Tamaricaceae) in western China".Journal of Systematics and Evolution 50.4(2012):351-361.