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Post-molecular systematics and the future of phylogenetics

机译:分子后系统和系统发育的未来

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摘要

The time is past when a research program in systematics should be based on only a few genes, extant taxa, and ultrametric trees. Cheap genome sequencing, powerful statistical methods, and new fossil discoveries promise to reinvigorate research programs in evolutionary biology. Population genetics, phylogeography, and species delimitation all benefit from genomic data, not just tree building alone. Null-hypothesis testing and power analysis via simulation can increase the confidence and robustness of phylogenetic comparative methods. Merging morphological and molecular datasets for fossil and extant taxa gives a more complete view of the Tree of Life. Combined, these developments can foster a postmolecular systematics, integrating phylogenetic signal from the population up based on DNA and through time based on direct observation rather than inference.
机译:当系统中的研究计划应该仅基于几个基因,远端征集和超微树木时,时间过去了。 廉价的基因组测序,强大的统计方法和新化石发现希望重新加入进化生物学的研究计划。 人口遗传学,播种地理和物种划界都受益于基因组数据,而不仅仅是独自的树木建设。 通过模拟的空假设检测和功率分析可以提高系统发育比较方法的置信度和稳健性。 合并化石和外征的形态学和分子数据集可以更完整地看待生命之树。 结合,这些发展可以促进重分子系统,基于DNA和基于直接观察而不是推理的时间来整合来自人群的系统发育信号。

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