Integrating fossils in a molecular-based phylogeny and testing them as calibration points for divergence time estimates in Menispermaceae
Jacques, Frederic M. B.1,2; Wang, Wei1; Ortiz, Rosa Del C.3; Li, Hong-Lei1,4; Zhou, Zhe-Kun2,5; Chen, Zhi-Duan1
2011
发表期刊JOURNAL OF SYSTEMATICS AND EVOLUTION
ISSN1674-4918
卷号49期号:1页码:25-49
摘要The phylogeny of extant Menispermaceae (Ranunculales) is reconstructed based on DNA sequences of two chloroplast genes (rbcL and atpB) from 94 species belonging to 56 genera. Fossilized endocarps represent 34 genera. The positions of these are inferred using 30 morphological characters and the molecular phylogeny as a backbone constraint. Nine of the thirteen nodes that are each dated by a fossil are used as calibration points for the estimates of molecular divergence times. BEAST is used to estimate stem age (121.2 Myr) and crown age (105.4 Myr) for Menispermaceae. This method does not require an input tree topology and can also account for rate heterogeneity among lineages. The sensitivity of these estimates to fossil constraints is then evaluated by a cross-validation procedure. The estimated origin for Menispermaceae is dated to the mid-Jurassic if the customary maximum age of 125 Myr for eudicots is not implemented. All constraints when used alone failed to estimate node ages in some parts of the tree. Fossils from the Palaeocene and Eocene impose strict constraints. Likewise, the use of Prototinomiscium as a dating constraint for Menispermaceae appears to be a conservative approach.
关键词Age Calibration Cross-validation Fossil Menispermaceae Molecular Scaffold Phylogeny
资助信息973 grant[2007CB411601]; Chinese Academy of Sciences[KSCX2-YW-R-136]; Chinese post-doctorate grant[20080431286]; Key Laboratory, Kunming Institute of Botany[086341121]
学科领域Plant Sciences
DOI10.1111/j.1759-6831.2010.00105.x
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000287469100003
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被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/3992
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, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Dept Biodivers & Biogeog, Kunming 650204, Peoples R China
3.Missouri Bot Garden, St Louis, MO 63166 USA
4.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Mengla 666303, Peoples R China
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Jacques, Frederic M. B.,Wang, Wei,Ortiz, Rosa Del C.,et al. Integrating fossils in a molecular-based phylogeny and testing them as calibration points for divergence time estimates in Menispermaceae[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2011,49(1):25-49.
APA Jacques, Frederic M. B.,Wang, Wei,Ortiz, Rosa Del C.,Li, Hong-Lei,Zhou, Zhe-Kun,&Chen, Zhi-Duan.(2011).Integrating fossils in a molecular-based phylogeny and testing them as calibration points for divergence time estimates in Menispermaceae.JOURNAL OF SYSTEMATICS AND EVOLUTION,49(1),25-49.
MLA Jacques, Frederic M. B.,et al."Integrating fossils in a molecular-based phylogeny and testing them as calibration points for divergence time estimates in Menispermaceae".JOURNAL OF SYSTEMATICS AND EVOLUTION 49.1(2011):25-49.
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