A genome-wide phylogeny and the diversification of genus Liriomyza (Diptera: Agromyzidae) inferred from anchored phylogenomics

IF 4.7 1区 农林科学 Q1 ENTOMOLOGY
Jing-Li Xuan, Sonja J. Scheffer, Owen Lonsdale, Brian K. Cassel, Matthew L. Lewis, Charles S. Eiseman, Wan-Xue Liu, Brian M. Wiegmann
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引用次数: 3

Abstract

The genus Liriomyza Mik (Diptera: Agromyzidae) is a diverse and globally distributed group of acalyptrate flies. Phylogenetic relationships among Liriomyza species have remained incompletely investigated and have never been fully addressed using molecular data. Here, we reconstruct the phylogeny of the genus Liriomyza using various phylogenetic methods (maximum likelihood, Bayesian inference, and gene tree coalescence) on target-capture-based phylogenomic datasets (nucleotides and amino acids) obtained from anchored hybrid enrichment (AHE). We have recovered tree topologies that are nearly congruent across all data types and methods, and individual clade support is strong across all phylogenetic analyses. Moreover, defined morphological species groups and clades are well-supported in our best estimates of the molecular phylogeny. Liriomyza violivora (Spencer) is a sister group to all remaining sampled Liriomyza species, and the well-known polyphagous vegetable pests [L. huidobrensis (Blanchard), L. langei Frick, L. bryoniae. (Kaltenbach), L. trifolii (Burgess), L. sativae Blanchard, and L. brassicae (Riley)]. belong to multiple clades that are not particularly closely related on the trees. Often, closely related Liriomyza species feed on distantly related host plants. We reject the hypothesis that cophylogenetic processes between Liriomyza species and their host plants drive diversification in this genus. Instead, Liriomyza exhibits a widespread pattern of major host shifts across plant taxa. Our new phylogenetic estimate for Liriomyza species provides considerable new information on the evolution of host-use patterns in this genus. In addition, it provides a framework for further study of the morphology, ecology, and diversification of these important flies.

Abstract Image

从锚定系统基因组学推断出的全基因组系统发育及其多样性(双翅目:稻蝇科)
密蝇属(双翅目:密蝇科)是一种分布于世界各地的蝇类。Liriomyza物种之间的系统发育关系尚未完全研究,并且从未使用分子数据完全解决。在这里,我们使用各种系统发育方法(最大似然、贝叶斯推理和基因树聚结)对锚定杂交富集(AHE)获得的基于目标捕获的系统发育数据集(核苷酸和氨基酸)重建了Liriomyza属的系统发育。我们已经恢复了在所有数据类型和方法中几乎一致的树拓扑结构,并且在所有系统发育分析中对单个分支的支持都很强。此外,在我们对分子系统发育的最佳估计中,已定义的形态学物种群和分支得到了很好的支持。Liriomyza violivora (Spencer)是所有剩余Liriomyza物种的姐妹群,以及众所周知的多食蔬菜害虫[L。布兰查德(Blanchard), L. langei Frick, L. bryoniae。(Kaltenbach)、L. trifolii (Burgess)、L. sativae Blanchard和L. brassicae (Riley)]。属于多个分支,在树上不是特别密切相关。通常,近亲Liriomyza物种以远亲寄主植物为食。我们拒绝了Liriomyza物种和它们的寄主植物之间的共同发育过程驱动该属多样化的假设。相反,Liriomyza在植物分类群中表现出广泛的主要寄主转移模式。我们对Liriomyza物种的新系统发育估计为该属宿主利用模式的进化提供了相当多的新信息。此外,它还为进一步研究这些重要蝇类的形态、生态学和多样性提供了一个框架。
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来源期刊
Systematic Entomology
Systematic Entomology 生物-进化生物学
CiteScore
10.50
自引率
8.30%
发文量
49
审稿时长
>12 weeks
期刊介绍: Systematic Entomology publishes original papers on insect systematics, phylogenetics and integrative taxonomy, with a preference for general interest papers of broad biological, evolutionary or zoogeographical relevance.
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