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Responses of plants to changes in Qinghai-Tibetan Plateau and glaciations: Evidence from phylogeography of a Sibiraea (Rosaceae) complex
Fu, Peng-Cheng ; Gao, Qing-Bo ; Zhang, Fa-Qi ; Xing, Rui ; Khan, Gulzar ; Wang, Jiu-Li ; Liu, Hai-Rui ; Chen, Shi-Long
2016-04-01
发表期刊BIOCHEMICAL SYSTEMATICS AND ECOLOGY
摘要The genetic structure and phylogeographical history of the alpine shrubs Sibiraea angustata (Rosaceae) and Sibiraea laevigata from the Qinghai-Tibetan Plateau (QTP) were investigated to identify alpine plant responses to changes in the QTP and glaciations. Fifty-five populations were analyzed using four chloroplast DNA (cpDNA) regions and (nuclear ribosomal internal transcribed spacer) nrITS sequence data. In all, 21 cpDNA haplotypes and 13 nrITS sequence types were detected. Analyses of the genetic diversity and phylogenetic relationships detected two rarely reported glacial refugia. One was the Yushu-Nangqian area, and the other consisted of the area from the Songpan Plateau to the southeastern margin of the QTP. Sibiraea species populations experienced divergent evolution and founder effects when they recolonized the QTP platform and adjacent high-altitude regions following glaciations. The divergence times of the main lineages and haplotypes were in the range of 1.60-2.58 Ma. The population size of Sibiraea species in the QTP decreased approximately 23-fold during the last 0.12 Ma, indicating that Sibiraea species were significantly affected by environmental changes in the QTP. Therefore, the rapid uplift of the QTP and subsequent glaciations likely played an important role in driving genetic divergence and population size changes of Sibiraea species in the QTP. (C) 2016 Published by Elsevier Ltd.
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/22518
专题中国科学院西北高原生物研究所
推荐引用方式
GB/T 7714
Fu, Peng-Cheng,Gao, Qing-Bo,Zhang, Fa-Qi,et al. Responses of plants to changes in Qinghai-Tibetan Plateau and glaciations: Evidence from phylogeography of a Sibiraea (Rosaceae) complex[J]. BIOCHEMICAL SYSTEMATICS AND ECOLOGY,2016.
APA Fu, Peng-Cheng.,Gao, Qing-Bo.,Zhang, Fa-Qi.,Xing, Rui.,Khan, Gulzar.,...&Chen, Shi-Long.(2016).Responses of plants to changes in Qinghai-Tibetan Plateau and glaciations: Evidence from phylogeography of a Sibiraea (Rosaceae) complex.BIOCHEMICAL SYSTEMATICS AND ECOLOGY.
MLA Fu, Peng-Cheng,et al."Responses of plants to changes in Qinghai-Tibetan Plateau and glaciations: Evidence from phylogeography of a Sibiraea (Rosaceae) complex".BIOCHEMICAL SYSTEMATICS AND ECOLOGY (2016).
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