Biogeographical origin and speciation of the Anthocoris nemorum group.
Biogeographical origin and speciation of the Anthocoris nemorum group.
复制标题
Anthocoris Nemorum组的生物地理起源和物种形成。
DOI：
10.1673/031.012.11501
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发表时间：
2012
期刊：
影响因子：
--
通讯作者：
Bu W
中科院分区：
文献类型：
--
作者：
Li M;Liu Q;Ke Y;Tian Y;Zhu G;Xie Q;Bu W
花蝽属花蝽科（半翅目），是农业害虫的重要天敌类群。通过对 Anthocoris nemorum 类物种的系统发育和扩散-变异分析进行构建，以了解 A. nemorum 类物种的系统发育地理结构与青藏高原隆升影响之间的关系。使用 BEAST 中实现的贝叶斯推理来估计发散时间。选择线粒体COI基因的一部分（1406 bp）和16S rDNA（932 bp）作为分子标记来重建该组10个物种之间的进化关系。基于系统发育、节点日期估计和扩散-变异分析的综合方法表明，A. nemorum 的系统发育地理结构主要是由青藏高原隆起的两个主要时期形成的。 DIVA最优重建表明，A. nemorum从横断山脉的起源中心中新世到更新世发生了多样化。与整个青藏高原的抬升相关的山脉的快速抬升可能促进了A. nemorum群体的快速分化。替代和扩散对于形成 A. nemorum 目前的分布模式都是至关重要的。
The Anthocoris nemorum group belongs to the Anthocoridae (Hemiptera), and is an important group of predators of agricultural pests. A phylogeny was constructed in conjunction with dispersal-vicariance analysis of the Anthocoris nemorum group species in order to discern the relationships between the phylogeographical structuring of A. nemorum group species, and the effects of the Qinghai-Tibet plateau uplift. The divergence times were estimated using Bayesian inference as implemented in BEAST. A portion of the mitochondrial COI gene (1406 bp) and 16S rDNA (932 bp) were chosen as molecular markers to reconstruct evolutionary relationships among 10 species in this group. The combined approach, based on phylogeny, estimation of node dates, and dispersal-vicariance analyses, indicated that the phylogeographical structuring of A. nemorum has been primarily shaped by the two main periods of the Qinghai-Tibet plateau uplift. The DIVA optimal reconstructions suggest that A. nemorum diversified from the Miocene to the Pleistocene from a center of origin in the Hengduan Mountains. The rapid uplift of Mountain ranges associated with the uplift of the entire Qinghai-Tibet plateau may have promoted rapid divergence in the A. nemorum group. Vicariance and dispersal were both essential in shaping the present distribution patterns of A. nemorum.
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