| Chloroplast phylogeographic patterns of calligonum sect. pterococcus (polygonaceae) in arid northwest china | |
| Wen, Zhibin1; Xu, Zhe1,2; Zhang, Hongxiang1; Feng, Ying3 | |
| 刊名 | Nordic journal of botany
 |
| 2016-06-01 | |
| 卷号 | 34期号:3页码:335-342 |
| ISSN号 | 0107-055X |
| DOI | 10.1111/njb.00820 |
| 通讯作者 | Feng, ying(luckfy@ms.xjb.ac.cn) |
| 英文摘要 | (to) understand the impacts of past climatic change and geological events on the evolutionary history of calligonum sect. pterococcus, including c. aphyllum, c. rubicundum and c. leucocladum, a total of 128 individuals from 14 populations, mainly from arid northwest china, were sampled. two cpdna intergenic spacer regions (rpl32-trnl and ycf6-psbm) were sequenced and 11 haplotypes were identified. levels of genetic differentiation between populations was low in c. rubicundum (fst. 0.54317, p. 0.001) and c. aphyllum (f-st. 0.55795), while much higher in c. leucocladum (f-st. 0.95800, p. 0.001), possibly as an effct of differences in geographic distributions and habitats. analysis of molecular variance (amova) revealed that most of the total genetic variations occurred among species (72.97%). among eleven identified haplotypes, only h1 and h2 were shared between c. aphyllum and c. rubicundum, while nine were private for one of the three species. the eleven identified haplotypes were divided into two major clades, but they did not yield three speciesspecific lineages. calligonum sect. pterococcus therefore not appeared reciprocally monophyletic, more likely due to incomplete lineage sorting than hybridization. mismatch distribution analysis suggested that only c. aphyllum has experienced recent demographic expansion. divergence time among the 11 haplotypes was estimated at between 2.84 ma and 0.06 ma. within the two clades, haplotype divergence began in early pleistocene and mainly occurred during the middle to late pleistocene and was most likely triggered by quaternary climatic oscillations and increasing aridity of the region. |
| WOS关键词 | TIBETAN PLATEAU ; POPULATION-STRUCTURE ; ENVIRONMENTAL-CHANGE ; TIANSHAN MOUNTAINS ; QUATERNARY CLIMATE ; STATISTICAL TESTS ; DNA POLYMORPHISM ; ADJACENT REGIONS ; SEED DISPERSAL ; WESTERN CHINA |
| WOS研究方向 | Plant Sciences |
| WOS类目 | Plant Sciences |
| 语种 | 英语 |
| 出版者 | WILEY-BLACKWELL |
| WOS记录号 | WOS:000383598100006 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2375962 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Feng, Ying |
| 作者单位 | 1.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Key Lab Biogeog & Bioresource Arid Land, CN-83011 Urumqi, Peoples R China 2.Univ Chinese Acad Sci, CN-100039 Beijing, Peoples R China 3.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, CN-830011 Urumqi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wen, Zhibin,Xu, Zhe,Zhang, Hongxiang,et al. Chloroplast phylogeographic patterns of calligonum sect. pterococcus (polygonaceae) in arid northwest china[J]. Nordic journal of botany,2016,34(3):335-342. |
| APA | Wen, Zhibin,Xu, Zhe,Zhang, Hongxiang,&Feng, Ying.(2016).Chloroplast phylogeographic patterns of calligonum sect. pterococcus (polygonaceae) in arid northwest china.Nordic journal of botany,34(3),335-342. |
| MLA | Wen, Zhibin,et al."Chloroplast phylogeographic patterns of calligonum sect. pterococcus (polygonaceae) in arid northwest china".Nordic journal of botany 34.3(2016):335-342. |
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