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题名: Phylogenetic and biogeographic complexity of Magnoliaceae in the Northern Hemisphere inferred from three nuclear data sets
作者: Nie, Ze-Long1, 2; Wen, Jun1, 3, 4; Azurna, Hiroshi5; Qiu, Yin-Long6; Sun Hang(孙航)1; Meng, Ying1, 7; null(孙卫邦)1; Zimmer, Elizabeth A.3
刊名: MOLECULAR PHYLOGENETICS AND EVOLUTION
关键词: biogeographic complexity ; disjunction ; Magnoliaceae ; Northern Hemisphere ; nuclear sequences ; phylogeny
英文摘要: This study employs three nuclear genes (PHYA, LFY, and GAI1) to reconstruct the phylogenetic and biogeographic history of Magnoliaceae. A total of 104 samples representing 86 taxa from all sections and most subsections were sequenced. Twelve major groups are well supported to be monophyletic within Magnoliaceae and these groups are largely consistent with the recent taxonomic revision at the sectional and subsectional levels. However, relationships at deeper nodes of the subfamily Magnolioideae remain not well resolved. A relaxed clock relying on uncorrelated rates suggests that the complicated divergent evolution of Magnolioideae began around the early Eocene (54.57 mya), concordant with paleoclimatic and fossil evidence. Intercontinental disjunctions of Magnoliaceae in the Northern Hemisphere appear to have originated during at least two geologic periods. Some occurred after the middle Miocene, represented by two well-recognized temperate lineages disjunct between eastern Asia and eastern North America. The others may have occurred no later than the Oligocene, with ancient separations between or within tropical and temperate lineages. (C) 2008 Elsevier Inc. All rights reserved.
中文摘要: This study employs three nuclear genes (PHYA, LFY, and GAI1) to reconstruct the phylogenetic and biogeographic history of Magnoliaceae. A total of 104 samples representing 86 taxa from all sections and most subsections were sequenced. Twelve major groups are well supported to be monophyletic within Magnoliaceae and these groups are largely consistent with the recent taxonomic revision at the sectional and subsectional levels. However, relationships at deeper nodes of the subfamily Magnolioideae remain not well resolved. A relaxed clock relying on uncorrelated rates suggests that the complicated divergent evolution of Magnolioideae began around the early Eocene (54.57 mya), concordant with paleoclimatic and fossil evidence. Intercontinental disjunctions of Magnoliaceae in the Northern Hemisphere appear to have originated during at least two geologic periods. Some occurred after the middle Miocene, represented by two well-recognized temperate lineages disjunct between eastern Asia and eastern North America. The others may have occurred no later than the Oligocene, with ancient separations between or within tropical and temperate lineages. (C) 2008 Elsevier Inc. All rights reserved.
出版日期: 2008-09-01
卷号: 48, 期号:3, 页码:1027-1040
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/151853/2629
Appears in Collections:中国科学院青藏高原研究所昆明部_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Smithsonian Inst, Natl Museum Nat Hist, Dept Bot, Washington, DC 20013 USA
4.Chinese Acad Sci, Inst Bot, Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
5.Kyoto Univ, Grad Sch Sci, Dept Bot, Kyoto 6068502, Japan
6.Univ Michigan, Dept Ecol & Evolutionary, Ann Arbor, MI 48109 USA
7.Chinese Acad Sci, Inst Tibetan Plateau Res Kunming, Kunming 650204, Yunnan, Peoples R China

Recommended Citation:
Nie, ZL; Wen, J; Azurna, H; Qiu, YL; Sun, H; Meng, Y; Sun, WB; Zimmer, EA.Phylogenetic and biogeographic complexity of Magnoliaceae in the Northern Hemisphere inferred from three nuclear data sets,MOLECULAR PHYLOGENETICS AND EVOLUTION,2008,48(3):1027-1040
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