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题名: Molecular phylogeny of Koenigia L. (Polygonaceae: Persicarieae): Implications for classification, character evolution and biogeography
作者: Fan, Deng-Mei1; Chen, Jia-Hui2, 3; Meng, Ying2, 3; Wen, Jun4, 5; null(黄锦岭)6; Yang Yongping(杨永平)2, 3
刊名: MOLECULAR PHYLOGENETICS AND EVOLUTION
关键词: Koenigia ; Classification ; Character evolution ; Biogeographic diversification ; The Himalayan region
英文摘要: To examine the phylogenetic relationships of Koenigia sensu lato (Polygonaceae), 43 samples representing all species of Koenigia and closely related taxa (e.g., Aconogonon, Bistorta, and Persicaria) were sequenced for nuclear ITS and four plastid regions (tmL-F, atpB-rbcL, rbcL, and rpl32-trnL((UAG))). Phylogenetic analyses indicate that Koenigia recognized by Hedberg is paraphyletic and that the basal species K. delicatula should be reassigned to a separate new genus. Based on these findings, we further propose that the genus Koenigia sensu lato be circumscribed to include five species. Ancestral state reconstruction showed that the pollen apertures likely evolved in parallel in the Aconogonon-Koenigia-Bistorta clade and Persicaria clade and that tricolpate pollen is most likely to be the ancestral state. Quincuncial aestivation likely evolved during the early evolution of Koenigia and its close relatives. Our findings suggest that the uplift of the Himalayas has played an important role in promoting species diversification of Koenigia. Koenigia islandica expanded its range during Pleistocene glacial cycles by tracking changes in newly available habitats. (C) 2013 Elsevier Inc. All rights reserved.
出版日期: 2013-12-01
卷号: 69, 期号:3, 页码:1093-1100
语种: 英语
收录类别: SCI
学科分类: Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
ISSN号: 1055-7903
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/17434
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Jiangxi Agr Univ, Lab Subtrop Biodivers, Nanchang 330045, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Inst Tibetan Plateau Res Kunming, Kunming 650204, Yunnan, Peoples R China
4.Smithsonian Inst, Natl Museum Nat Hist, Dept Bot, Washington, DC 20013 USA
5.Chinese Acad Sci, Inst Bot, Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
6.E Carolina Univ, Dept Biol, Greenville, NC 27858 USA

Recommended Citation:
Fan,Deng-Mei;Chen,Jia-Hui;Meng,Ying;Wen,Jun;Huang,Jin-Ling;Yang,Yong-Ping.Molecular phylogeny of Koenigia L. (Polygonaceae: Persicarieae): Implications for classification, character evolution and biogeography,MOLECULAR PHYLOGENETICS AND EVOLUTION,2013,69(3):1093-1100
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