Knowledge Management System of Northwest Institute of Plateau Biology, CAS
Phylogeny and speciation in Saxifraga sect. Ciliatae (Saxifragaceae): Evidence from psbA-trnH, trnL-F and ITS sequences | |
Gao, Qing-Bo1; Li, Yin-Hu1,2; Gornall, Richard J.3; Zhang, Zhuo-Xin4; Zhang, Fa-Qi1; Xing, Rui1; Fu, Peng-Cheng1,2; Wang, Jiu-Li1,2; Liu, Hai-Rui1,2; Tian, Zun-Zhe1,2; Chen, Shi-Long1 | |
2015-08-28 | |
发表期刊 | TAXON |
卷号 | 64期号:4页码:703-713 |
文章类型 | Article |
摘要 | Nearly half of the species in the large genus Saxifraga belong to Saxifraga sect. Ciliatae, a largely Sino-Himalayan taxon. We report here that evidence from chloroplast DNA sequences (psbA-trnH, trnL-F) and from nuclear sequences (ITS) indicates that this section is monophyletic and composed of at least three main lineages, corresponding to (1) a clade made up of species from S. subsect. Gemmiparae, subsect. Cinerascentes, subsect. Flagellares and subsect. Hemisphaericae, in which the last three subsections are nested in the first; (2) a clade of species belonging to S. subsect. Rosulares (including S. subsect. Serpyllifoliae); and (3) a clade of species belonging to S. subsect. Hirculoideae. Species relationships in S. subsect. Rosulares and subsect. Hirculoideae are not well resolved. A molecular clock analysis indicates that the diversification of S. sect. Ciliatae into its three lineages dates from ca. 9.48 Ma, coinciding with orogenic events associated with one of the most important phases of uplift of the Qinghai-Tibet Plateau. Extensive diversifications within S. subsect. Rosulares and subsect. Hirculoideae have been more recent (ca. 4.51 Ma and 2.12 Ma, respectively), again correlated with Qinghai-Tibet Plateau uplift events and, in the case of S. subsect. Hirculoideae, have occurred at a rate comparable to that seen in the radiation of Hawaiian fruit flies.; Nearly half of the species in the large genus Saxifraga belong to Saxifraga sect. Ciliatae, a largely Sino-Himalayan taxon. We report here that evidence from chloroplast DNA sequences (psbA-trnH, trnL-F) and from nuclear sequences (ITS) indicates that this section is monophyletic and composed of at least three main lineages, corresponding to (1) a clade made up of species from S. subsect. Gemmiparae, subsect. Cinerascentes, subsect. Flagellares and subsect. Hemisphaericae, in which the last three subsections are nested in the first; (2) a clade of species belonging to S. subsect. Rosulares (including S. subsect. Serpyllifoliae); and (3) a clade of species belonging to S. subsect. Hirculoideae. Species relationships in S. subsect. Rosulares and subsect. Hirculoideae are not well resolved. A molecular clock analysis indicates that the diversification of S. sect. Ciliatae into its three lineages dates from ca. 9.48 Ma, coinciding with orogenic events associated with one of the most important phases of uplift of the Qinghai-Tibet Plateau. Extensive diversifications within S. subsect. Rosulares and subsect. Hirculoideae have been more recent (ca. 4.51 Ma and 2.12 Ma, respectively), again correlated with Qinghai-Tibet Plateau uplift events and, in the case of S. subsect. Hirculoideae, have occurred at a rate comparable to that seen in the radiation of Hawaiian fruit flies. |
关键词 | Chloroplast Dna Its Phylogeny Qinghai-tibet Plateau Saxifragaceae Saxifraga Sect. Ciliatae |
WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
关键词[WOS] | CHLOROPLAST DNA ; TIBETAN PLATEAU ; RHEUM POLYGONACEAE ; EVOLUTION ; DIVERSIFICATION ; NUCLEAR ; BIOGEOGRAPHY ; RADIATION ; UPLIFT ; TREES |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Plant Sciences ; Evolutionary Biology |
WOS类目 | Plant Sciences ; Evolutionary Biology |
WOS记录号 | WOS:000361531700003 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://210.75.249.4/handle/363003/5522 |
专题 | 中国科学院西北高原生物研究所 |
作者单位 | 1.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adapt & Evolut Plateau Biota, Xining 810001, Qinghai, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China 3.Univ Leicester, Dept Biol, Leicester LE1 7RH, Leics, England 4.Chinese Acad Sci, South China Bot Garden, Key Lab Plant Resources & Sustainable Utilizat, Guangzhou 510650, Guangdong, Peoples R China |
推荐引用方式 GB/T 7714 | Gao, Qing-Bo,Li, Yin-Hu,Gornall, Richard J.,et al. Phylogeny and speciation in Saxifraga sect. Ciliatae (Saxifragaceae): Evidence from psbA-trnH, trnL-F and ITS sequences[J]. TAXON,2015,64(4):703-713. |
APA | Gao, Qing-Bo.,Li, Yin-Hu.,Gornall, Richard J..,Zhang, Zhuo-Xin.,Zhang, Fa-Qi.,...&Chen, Shi-Long.(2015).Phylogeny and speciation in Saxifraga sect. Ciliatae (Saxifragaceae): Evidence from psbA-trnH, trnL-F and ITS sequences.TAXON,64(4),703-713. |
MLA | Gao, Qing-Bo,et al."Phylogeny and speciation in Saxifraga sect. Ciliatae (Saxifragaceae): Evidence from psbA-trnH, trnL-F and ITS sequences".TAXON 64.4(2015):703-713. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论