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题名: Origin area and migration route: Chloroplast DNA diversity in the arctic-alpine plant Koenigia islandica
作者: Long Cong1; Min YunJiang1, 2; Zhao XiuXia1; Yany ChunLei1; Sun Hang3; Lu HouYuan4; Tang LingYu5; Zhou ZhongZe1
刊名: SCIENCE CHINA-EARTH SCIENCES
出版日期: 2014-08-01
卷号: 57, 期号:8, 页码:1760-1770
关键词: origin area ; refugia ; migration route ; phylogeography ; biogeology ; Koenigia islandica
学科分类: Geosciences, Multidisciplinary
DOI: 10.1007/s11430-014-4819-2
通讯作者: Zhou, ZZ (reprint author), Anhui Univ, Anhui Biodivers Informat Ctr, Sch Resources & Environm Engn, Hefei 230601, Peoples R China. ; zhzz@ahu.edu.cn
文章类型: Article
英文摘要: The Hengduan Mountains (henceforth H-D Mountains) on the Tibet Plateau are a distribution and diversity center for many alpine genera. We examine patterns of genetic variation in an arctic-alpine plant to evaluate the possibility that the H-D Mountains constitute the area of origin of the species as well as to uncover postglacial migration routes. 220 individuals of the arctic-alpine plant Koenigia islandica were sampled from 26 populations distributed in western China and northern Finland. DNA haplotypes were identified using restriction site analysis of two chloroplast DNA intergene spacer regions, atpB-rbcL and trnL-trnF. We examined the geographical distribution of haplotype diversity in relation to latitude, and also compared various indices of diversity in putatively glaciated and unglaciated regions. Patterns of migration were inferred using nested clade analysis. A total of 25 haplotypes were detected. High haplotype diversity was found in the H-D Mountains. H3 and its radiated haplotypes were distributed in the Himalayas. Two haplotypes were fixed concurrently in the H-D Mountains and northern Finland. High genetic diversity of K. islandica and high species diversity of K. islandica are expected in the origin area. Our observations suggest that the H-D Mountains are not only the place of origin of K. islandica, but also the refugia for K. islandica on the Tibet Plateau. What is more, the migration route for the arctic-alpine plant K. islandica must have originated in the region defined by the H-D Mountains in western China extending northward to the Arctic circumpolar, and moved westward along the Himalayas, then northward across the Altay Mountains and the Central Siberian Plateau at different time periods.
类目[WOS]: Geosciences, Multidisciplinary
研究领域[WOS]: Geology
关键词[WOS]: QINGHAI-TIBETAN PLATEAU ; SEQUENCE VARIATION ; POPULATION-GROWTH ; UNIVERSAL PRIMERS ; GENETIC-STRUCTURE ; TEMPERATE PLANTS ; CLIMATE-CHANGE ; PHYLOGEOGRAPHY ; MITOCHONDRIAL ; HAPLOTYPES
收录类别: SCI
语种: 英语
WOS记录号: WOS:000339818800005
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/18291
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Anhui Univ, Anhui Biodivers Informat Ctr, Sch Resources & Environm Engn, Hefei 230601, Peoples R China
2.West Anhui Univ, Dept Biol & Pharmaceut Engn, Liuan 237012, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Div & Biogeog East Asia, Kunming 650204, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
5.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China

Recommended Citation:
Long Cong;Min YunJiang;Zhao XiuXia;Yany ChunLei;Sun Hang;Lu HouYuan;Tang LingYu;Zhou ZhongZe.Origin area and migration route: Chloroplast DNA diversity in the arctic-alpine plant Koenigia islandica,SCIENCE CHINA-EARTH SCIENCES,2014,57(8):1760-1770
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