Austrian gudgeons of the genus Gobio (Teleostei: Gobionidae): A mixture of divergent lineages,Journal of Zoological Systematics and Evolutionary Research

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Austrian gudgeons of the genus Gobio (Teleostei: Gobionidae): A mixture of divergent lineages
Journal of Zoological Systematics and Evolutionary Research ( IF 2.0 ) Pub Date : 2019-11-25 , DOI: 10.1111/jzs.12340
Lukas Zangl ₁ , Daniel Daill _{1,

2} , Wolfgang Gessl ₁ , Thomas Friedrich ₃ , Stephan Koblmüller ₁

Affiliation

Gudgeons of the genus Gobio are small Eurasian fishes whose systematics, taxonomy, and phylogenetic relationships have been the matter of a long‐standing debate. Two species, Gobio gobio and G. obtusirostris have been reported for Austria, with a potential hybrid zone in the upper Danube. Phylogenetic and phylogeographic analysis of mitochondrial cytochrome oxidase subunit I and control region sequences, as well as nuclear ribosomal protein S7 sequences, however, shows that the proposed hybrid zone is not restricted to the upper Danube, but spans large parts of the Austrian Danube system (upper Danube, Rába & Mur systems). Moreover, our data show that also a third lineage, closely related to species from the southern Balkan, contributed to the gene pool of Austrian Gobio. Patterns of intra‐lineage genetic diversity indicate that the distinct Gobio lineages expanded their distribution recently (most likely post‐glacially) to come into secondary contact and hybridize in the Danube system.

中文翻译：

戈比奥属的奥地利g突（Teleostei：Gobionidae）：不同血统的混合物

属的榫舌Gobio小欧亚鱼类，其系统学，分类学和系统发育关系是一个长期争论的问题。据报道，奥地利有两个物种，Gobio gobio和G. obtusirostris，在多瑙河上游有一个潜在的杂种区。线粒体细胞色素氧化酶亚基I和控制区序列以及核糖体蛋白S7的系统发育和系统地理分析但是，序列显示拟议的混合带并不局限于多瑙河上游，而是跨越了奥地利多瑙河系统的大部分（多瑙河上部，Rába和Mur系统）。此外，我们的数据表明，与来自巴尔干南部的物种密切相关的第三种谱系也有助于奥地利戈比奥的基因库。谱系内遗传多样性的模式表明，不同的Gobio谱系最近（最可能在冰川后）扩大了它们的分布，从而在Danube系统中发生了二次接触并杂交。

更新日期：2019-11-25

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