The Tanaka Line shaped the phylogeographic pattern of the cotton tree (Bombax ceiba) in southwest China

doi:10.1016/j.bse.2015.04.014

	The Tanaka Line shaped the phylogeographic pattern of the cotton tree (Bombax ceiba) in southwest China
	Tian, Bin; Zhou, Zhili; Du, Fang K.; He, Chengzhong; Xin, Peiyao; Ma, Huancheng
	2015-06-01
发表期刊	BIOCHEMICAL SYSTEMATICS AND ECOLOGY
卷号	60 页码:150-157
摘要	The Tanaka Line is considered to be an important phytogeographic boundary in southwest China, especially in Yunnan province. This Line has been deemed to separate East Asia's Sino-Himalayan and Sino-Japanese floras. However, it is not clear whether there is a special phylogeographic pattern for plants occurring across the Tanaka Line. To better understand the role of the Tanaka Line in shaping genetic structure of plant species occurring either side of this line, we employed Bombax ceiba, an economically and ecologically important tree species with a distribution across the Tanaka Line, as a proxy to study whether or not the Tanaka Line acts as a boundary to gene flow. We scanned and analyzed genetic variation at three chloroplast DNA fragments (psbB-psbF, trnL-rpl32 and psbI-psbK) within and among 17 natural populations (201 individuals). We identified eight chloroplast haplotypes (A-H) in total. Geographically, seven haplotypes were found southwest of the Tanaka Line, but only two haplotypes (B and H) were located northeast of the Tanaka Line. Meanwhile, both mismatch distribution analysis and environmental niche modeling (ENM) analysis suggested that multiple glacial refugia were maintained in the southwest range of B. ceiba during the last glacial maximum and that northeastern populations underwent strenuous retreatment during the Quaternary climatic oscillations. The present study highlights the importance of historical climate change and topographical circumstances in shaping population structure across the Tanaka Line. (C) 2015 Elsevier Ltd. All rights reserved.
关键词	Bombax Ceiba L. Phylogeography Tanaka Line Dry-hot Valley
DOI	10.1016/j.bse.2015.04.014
收录类别	SCI
语种	英语
WOS记录号	WOS:000357546800023
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/24980
专题	中国科学院东亚植物多样性与生物地理学重点实验室
推荐引用方式 GB/T 7714	Tian, Bin,Zhou, Zhili,Du, Fang K.,et al. The Tanaka Line shaped the phylogeographic pattern of the cotton tree (Bombax ceiba) in southwest China[J]. BIOCHEMICAL SYSTEMATICS AND ECOLOGY,2015,60:150-157.
APA	Tian, Bin,Zhou, Zhili,Du, Fang K.,He, Chengzhong,Xin, Peiyao,&Ma, Huancheng.(2015).The Tanaka Line shaped the phylogeographic pattern of the cotton tree (Bombax ceiba) in southwest China.BIOCHEMICAL SYSTEMATICS AND ECOLOGY,60,150-157.
MLA	Tian, Bin,et al."The Tanaka Line shaped the phylogeographic pattern of the cotton tree (Bombax ceiba) in southwest China".BIOCHEMICAL SYSTEMATICS AND ECOLOGY 60(2015):150-157.

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