Brown Joseph W, Wang Ning, Smith Stephen A
Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA.
Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA.
Mol Phylogenet Evol. 2017 Nov;116:69-77. doi: 10.1016/j.ympev.2017.08.002. Epub 2017 Aug 7.
Recent developments in phylogenetic methods and data acquisition have allowed for the construction of large and comprehensive phylogenetic relationships. Published phylogenies represent an enormous resource that not only facilitates the resolution of questions related to comparative biology, but also provides a resource on which to gauge the development of concordance across the tree of life. From the Open Tree of Life, we gathered 290 avian phylogenies representing all major groups that have been published over the last few decades and analyzed how concordance and conflict develop among these trees through time. Nine large scale phylogenetic hypotheses (including a new synthetic tree from this study) were used for comparisons. We found that conflicts were over-represented both along the backbone (higher-level neoavian relationships) and within the oscine Passeriformes. Importantly, although we have made major strides in the resolution of major clades, recent published comprehensive trees, as well as trees of individual clades, continue to contribute significantly to the resolution of relationships throughout the avian phylogeny. Our analyses highlight the need for continued research into the resolution of avian relationships.
系统发育方法和数据获取方面的最新进展使得构建大型且全面的系统发育关系成为可能。已发表的系统发育树是一项巨大的资源，它不仅有助于解决与比较生物学相关的问题，还提供了一个衡量整个生命之树中一致性发展情况的资源。我们从开放生命树项目中收集了290个鸟类系统发育树，这些树代表了过去几十年中已发表的所有主要类群，并分析了随着时间推移这些树之间的一致性和冲突是如何发展的。我们使用了九个大规模系统发育假说（包括本研究中的一个新的综合树）进行比较。我们发现，在主干部分（新鸟亚纲的高级别关系）和雀形目鸣禽内部，冲突都被过度呈现。重要的是，尽管我们在主要分支的解析上取得了重大进展，但最近发表的综合树以及单个分支的树，仍继续为解决整个鸟类系统发育中的关系做出重大贡献。我们的分析强调了对鸟类关系解析进行持续研究的必要性。
