KMS Institute of Vertebrate Paleontology and Paleoanthropology
| Morphological Data Sets Fit a Common Mechanism Much More Poorly than DNA Sequences and Call Into Question the Mkv Model | |
Goloboff, Pablo A.1; Pittman, Michael2; Pol, Diego3; Xu, Xing4
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| 2019-05-01 | |
| 发表期刊 | SYSTEMATIC BIOLOGY
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| ISSN | 1063-5157 |
| 卷号 | 68期号:3页码:494-504 |
| 摘要 | The Mkv evolutionary model, based on minor modifications to models of molecular evolution, is being increasingly used to infer phylogenies from discrete morphological data, often producing different results from parsimony. The critical difference between Mkv and parsimony is the assumption of a "common mechanism" in the Mkv model, with branch lengths determining that probability of change for all characters increases or decreases at the same tree branches by the same exponential factor. We evaluate whether the assumption of a common mechanism applies to morphology, by testing the implicit prediction that branch lengths calculated from different subsets of characters will be significantly correlated. Our analysis shows that DNA (38 data sets tested) is often compatible with a common mechanism, but morphology (86 data sets tested) generally is not, showing very disparate branch lengths for different character partitions. The low levels of branch length correlation demonstrated for morphology (fitting models without a common mechanism) suggest that the Mkv model is too unrealistic and inadequate for the analysis of most morphological data sets. |
| 关键词 | Bayesian analysis Mkv model morphological data phylogenetics |
| DOI | 10.1093/sysbio/syy077 |
| 关键词[WOS] | PHYLOGENETIC ANALYSIS ; MAXIMUM PARSIMONY ; LIKELIHOOD ; EVOLUTION |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | National Science Foundation of China[41688103] ; Consejo Nacional de Investigaciones Cientificas y Tecnicas[PUE0070] ; National Science Foundation ; National Aeronautics and Space Agency ; Fundacao de Amparo a Pesquisa do Estado de Sao Paulo ; Research Grant Council of Hong Kong's GeneralResearch Fund[17103315] ; University of Hong Kong's University Research Committee Seed Fund for Basic Research ; National Science Foundation of China[41120124002] ; National Science Foundation of China[91514302] |
| WOS研究方向 | Evolutionary Biology |
| WOS类目 | Evolutionary Biology |
| WOS记录号 | WOS:000493313500008 |
| 出版者 | OXFORD UNIV PRESS |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.205/handle/311034/16933 |
| 专题 | 中科院古脊椎所（2000年以后） |
| 通讯作者 | Goloboff, Pablo A. |
| 作者单位 | 1.Consejo Nacl Invest Cient & Tecn, UEL, San Miguel De Tucuman, Argentina 2.Univ Hong Kong, Vertebrate Palaeontol Lab, Dept Earth Sci, Pokfulam, Hong Kong, Peoples R China 3.Consejo Nacl Invest Cient & Tecn, Museo Egidio Feruglio, Trelew, Argentina 4.Chinese Acad Sci, Key Lab Vertebrate Evolut & Human Origins, Inst Vertebrate Paleontol & Paleoanthropol, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Goloboff, Pablo A.,Pittman, Michael,Pol, Diego,et al. Morphological Data Sets Fit a Common Mechanism Much More Poorly than DNA Sequences and Call Into Question the Mkv Model[J]. SYSTEMATIC BIOLOGY,2019,68(3):494-504. |
| APA | Goloboff, Pablo A.,Pittman, Michael,Pol, Diego,&Xu, Xing.(2019).Morphological Data Sets Fit a Common Mechanism Much More Poorly than DNA Sequences and Call Into Question the Mkv Model.SYSTEMATIC BIOLOGY,68(3),494-504. |
| MLA | Goloboff, Pablo A.,et al."Morphological Data Sets Fit a Common Mechanism Much More Poorly than DNA Sequences and Call Into Question the Mkv Model".SYSTEMATIC BIOLOGY 68.3(2019):494-504. |
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| syy077.pdf（1126KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | 浏览 下载 | |
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