Bayesian tip dating reveals heterogeneous morphological clocks in Mesozoic birds
文献类型：期刊论文
| 作者 | Zhang, Chi1,2; Wang, Min1,2 |
| 刊名 | ROYAL SOCIETY OPEN SCIENCE
 |
| 出版日期 | 2019-07-26 |
| 卷号 | 6期号:7页码:9 |
| 关键词 | Mesozoic birds tip dating relaxed clock MrBayes |
| ISSN号 | 2054-5703 |
| DOI | 10.1098/rsos.182062 |
| 通讯作者 | Zhang, Chi(zhangchi@ivpp.ac.cn) |
| 英文摘要 | Recently, comprehensive morphological datasets including nearly all the well-recognized Mesozoic birds became available, making it feasible for statistically rigorous methods to unveil finer evolutionary patterns during early avian evolution. Here, we exploited the advantage of Bayesian tip dating under relaxed morphological clocks to estimate both the divergence times and evolutionary rates while accounting for their uncertainties. We further subdivided the characters into six body regions (i.e. skull, axial skeleton, pectoral girdle and sternum, forelimb, pelvic girdle and hindlimb) to assess evolutionary rate heterogeneity both along the lineages and across partitions. We observed extremely high rates of morphological character changes during early avian evolution, and the clock rates are quite heterogeneous among the six regions. The branch subtending Pygostylia shows an extremely high rate in the axial skeleton, while the branches subtending Ornithothoraces and Enantiornithes show notably high rates in the pectoral girdle and sternum and moderately high rates in the forelimb. The extensive modifications in these body regions largely correspond to refinement of the flight capability. This study reveals the power and flexibility of Bayesian tip dating implemented in MrBayes to investigate evolutionary dynamics in deep time. |
| WOS关键词 | EVOLUTION ; TIME ; PHYLOGENY ; RADIATION ; DISPARITY ; MODULES ; FOSSILS ; ORIGIN ; RECORD ; RATES |
| 资助项目 | 100 Young Talents Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41722202] |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:000479146300014 |
| 出版者 | ROYAL SOC |
| 资助机构 | 100 Young Talents Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China |
| 源URL | [http://119.78.100.205/handle/311034/10148]  |
| 专题 | 中国科学院古脊椎动物与古人类研究所 |
| 通讯作者 | Zhang, Chi |
| 作者单位 | 1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China 2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Chi,Wang, Min. Bayesian tip dating reveals heterogeneous morphological clocks in Mesozoic birds[J]. ROYAL SOCIETY OPEN SCIENCE,2019,6(7):9. |
| APA | Zhang, Chi,&Wang, Min.(2019).Bayesian tip dating reveals heterogeneous morphological clocks in Mesozoic birds.ROYAL SOCIETY OPEN SCIENCE,6(7),9. |
| MLA | Zhang, Chi,et al."Bayesian tip dating reveals heterogeneous morphological clocks in Mesozoic birds".ROYAL SOCIETY OPEN SCIENCE 6.7(2019):9. |
入库方式： OAI收割
来源：古脊椎动物与古人类研究所
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