Molecular phylogeny and biogeography of Astilbe (Saxifragaceae) in Asia and eastern North America
文献类型：期刊论文
| 作者 | Zhu, Wei-Dong1,2; Nie, Ze-Long1; Wen, Jun3; Sun, Hang1
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| 刊名 | BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
 |
| 出版日期 | 2013-02-01 |
| 卷号 | 171期号:2页码:377-394 |
| 关键词 | Beringian migration intercontinental disjunction south-western China tropical Asia |
| ISSN号 | 0024-4074 |
| 通讯作者 | Wen, J (reprint author), Smithsonian Inst, Dept Bot, Natl Museum Nat Hist, MRC 166, Washington, DC 20013 USA.，wenj@si.edu ; hsun@mail.kib.ac.cn |
| 英文摘要 | Phylogenetic analyses were conducted for Astilbe (Saxifragaceae), an Asian/eastern North American disjunct genus, using sequences of nuclear ribosomal internal transcribed spacer (ITS) and plastid matK, trnL-trnF and psbA-trnH regions. The monophyly of Astilbe is well supported by both ITS and plastid sequences. Topological incongruence was detected between the plastid and the ITS trees, particularly concerning the placement of the single North American species, A. biternata, which may be most probably explained by its origin involving hybridization and/or allopolyploidy with plastid capture. In Astilbe, all species with hermaphroditic flowers constitute a well-supported clade; dioecious species form a basal grade to the hermaphroditic clade. Astilbe was estimated to have split with Saxifragopsis from western North America at 20.69 Ma (95% HPD: 12.1430.22 Ma) in the early Miocene. This intercontinental disjunction between Astilbe and Saxifragopsis most likely occurred via the Bering land bridge. The major clade of Astilbe (all species of the genus excluding A. platyphylla) was inferred to have a continental Asian origin. At least three subsequent migrations or dispersals were hypothesized to explain the expansion of Astilbe into North America, Japan and tropical Asian islands. The intercontinental disjunct lineage in Astilbe invokes a hybridization event either in eastern Asia or in North America. This disjunction in Astilbe may be explained by a Beringian migration around 3.54 Ma (95% high posterior density: 1.296.18 Ma) in the late Tertiary, although long-distance dispersal from eastern Asia to North America is also likely. The biogeographical connection between continental Asia, Taiwan, the Philippines and other tropical Asian islands in Astilbe provides evidence for the close floristic affinity between temperate or alpine south-western China and tropical Asia. (C) 2012 The Linnean Society of London, Botanical Journal of the Linnean Society, 2013, 171, 377-394. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| 学科主题 | Plant Sciences |
| 类目[WOS] | Plant Sciences |
| 研究领域[WOS] | Plant Sciences |
| 关键词[WOS] | HEUCHERA GROUP SAXIFRAGACEAE ; CHLOROPLAST DNA ; CLIMATE-CHANGE ; SENSU-STRICTO ; SEQUENCE DATA ; EVOLUTION ; INFERENCE ; PHYLOGEOGRAPHY ; DISJUNCTION ; HEMISPHERE |
| 收录类别 | SCI |
| 资助信息 | Natural Science Foundation of China [40930209, U1136601, 31129001]; Hundred Talents Program of the Chinese Academy of Sciences [2011312D11022]; NSFC-International (Region) Cooperation Project [31061160184]; Innovation Project of Chinese Academy of Sciences [KSCX2-YW-Z-1019]; John D. and Catherine T. MacArthur Foundation |
| 语种 | 英语 |
| WOS记录号 | WOS:000313784100005 |
| 公开日期 | 2013-03-18 |
| 源URL | [http://ir.kib.ac.cn/handle/151853/16260]  |
| 专题 | 昆明植物研究所_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, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650201, Yunnan, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China 3.Smithsonian Inst, Dept Bot, Natl Museum Nat Hist, Washington, DC 20013 USA |
| 推荐引用方式 GB/T 7714 | Zhu, Wei-Dong,Nie, Ze-Long,Wen, Jun,et al. Molecular phylogeny and biogeography of Astilbe (Saxifragaceae) in Asia and eastern North America[J]. BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2013,171(2):377-394. |
| APA | Zhu, Wei-Dong,Nie, Ze-Long,Wen, Jun,&Sun, Hang.(2013).Molecular phylogeny and biogeography of Astilbe (Saxifragaceae) in Asia and eastern North America.BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,171(2),377-394. |
| MLA | Zhu, Wei-Dong,et al."Molecular phylogeny and biogeography of Astilbe (Saxifragaceae) in Asia and eastern North America".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 171.2(2013):377-394. |
入库方式： OAI收割
来源：昆明植物研究所
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