Robillard Tony, Desutter-Grandcolas Laure
Muséum national d'Histoire naturelle, Département Systématique et Evolution, UMR5202 CNRS, Case Postale 50, Entomologie, 75231 Paris Cedex 05, France.
Mol Phylogenet Evol. 2006 Sep;40(3):643-61. doi: 10.1016/j.ympev.2005.10.019. Epub 2006 Apr 6.
The phylogenetic relationships of 39 species of Eneopterinae crickets are reconstructed using four molecular markers (16S rRNA, 12S rRNA, cytochrome b, 18S rRNA) and a large morphological data set. Phylogenetic analysis via direct optimisation of DNA sequence data using parsimony as optimality criterion is done for six combinations of weighting parameter sets in a sensitivity analysis. The results are discussed in a twofold purpose: first, in term of significance of the molecular markers for phylogeny reconstruction in Ensifera, as our study represents the first molecular phylogeny performed for this insect suborder at this level of diversity; second, in term of corroboration of a previous phylogeny of Eneopterinae, built on morphological data alone. The four molecular markers all convey phylogenetic signal, although variously distributed on the tree. The monophyly of the subfamily, that of three over five tribes, and of 10 over 13 genera, are recovered. Finally, previous hypotheses on the evolution of acoustic devices and signals in the Eneopterinae clade are briefly tested, and supported, by our new data set.
利用四个分子标记（16S rRNA、12S rRNA、细胞色素b、18S rRNA）和一个大型形态学数据集，重建了39种埃内奥蟋亚科蟋蟀的系统发育关系。在敏感性分析中，针对六种加权参数集组合，使用简约法作为最优标准，通过直接优化DNA序列数据进行系统发育分析。结果从两个方面进行了讨论：第一，就分子标记对直翅目系统发育重建的重要性而言，因为我们的研究代表了对该昆虫亚目在这种多样性水平上进行的首次分子系统发育研究；第二，就仅基于形态学数据构建的埃内奥蟋亚科先前系统发育的验证而言。四个分子标记都传递了系统发育信号，尽管它们在树上的分布各不相同。恢复了该亚科、五个部落中的三个以及13个属中的10个的单系性。最后，我们的新数据集对先前关于埃内奥蟋亚科分支中声学装置和信号进化的假设进行了简要检验，并提供了支持。
