Molecular Phylogeny of Gueldenstaedtia and Tibetia (Fabaceae) and Their Biogeographic Differentiation within Eastern Asia
Xie, Yan-Ping1,2; Meng, Ying3; Sun, Hang1; Nie, Ze-Long3
2016-09-15
发表期刊PLOS ONE
卷号11期号:9页码:1
摘要

Tibetia and Gueldenstaedtia are two morphologically similar and small genera in Fabaceae, with distributions largely corresponding to the Sino-Himalayan and Sino-Japanese subkingdoms in eastern Asia, respectively. These two genera have confusing relationships based on morphology; therefore, we aimed to provide a clear understanding of their phylogenetic and biogeographic evolution within eastern Asia. In our investigations we included 88 samples representing five Gueldenstaedtia species, five Tibetia species, and outgroup species were sequenced using five markers (nuclear: ITS; chloroplast: matK, trnL-F, psbA-trnH and rbcL). Our phylogenetic results support (1) the monophyly of Tibetia and of Gueldenstaedtia, respectively; and (2) that Tibetia and Gueldenstaedtia are sister genera. Additionally, our data identified that Tibetia species hadmuch higher sequence variation than Gueldenstaedtia species. Our results suggest that the two genera were separated from each other about 17.23 million years ago, which is congruent with the Himalayan orogeny and the uplift of the Tibetan Plateau in the mid Miocene. The divergence of Tibetia and Gueldenstaedtia is strongly supported by the separation of the Sino-Himalayan and Sino-Japanese region within eastern Asia. In addition, the habitat heterogeneitymay accelerate the molecular divergence of Tibetia in the Sino-Himalayan region.

DOI10.1371/journal.pone.0162982
收录类别SCI
语种英语
WOS记录号WOS:000383706900107
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/33627
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
作者单位1.Chinese Acad Sci, Key Lab Biodivers & Biogeog East Asia, Kunming Inst Bot, Kunming, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Jishou Univ, Key Lab Plant Resources Conservat & Utilizat, Coll Biol & Environm Sci, Jishou, Hunan, Peoples R China
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Xie, Yan-Ping,Meng, Ying,Sun, Hang,et al. Molecular Phylogeny of Gueldenstaedtia and Tibetia (Fabaceae) and Their Biogeographic Differentiation within Eastern Asia[J]. PLOS ONE,2016,11(9):1.
APA Xie, Yan-Ping,Meng, Ying,Sun, Hang,&Nie, Ze-Long.(2016).Molecular Phylogeny of Gueldenstaedtia and Tibetia (Fabaceae) and Their Biogeographic Differentiation within Eastern Asia.PLOS ONE,11(9),1.
MLA Xie, Yan-Ping,et al."Molecular Phylogeny of Gueldenstaedtia and Tibetia (Fabaceae) and Their Biogeographic Differentiation within Eastern Asia".PLOS ONE 11.9(2016):1.
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