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首页> 外文期刊>Molecular phylogenetics and evolution >Alternative methods of phylogenetic inference for the Patagonian lizard group Liolaemus elongatus-kriegi (Iguania: Liolaemini) based on mitochondrial and nuclear markers
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Alternative methods of phylogenetic inference for the Patagonian lizard group Liolaemus elongatus-kriegi (Iguania: Liolaemini) based on mitochondrial and nuclear markers

机译：基于线粒体和核标记的基于线粒体和核标记的巴塔哥数蜥蜴群Liolaemus-Kriegi（Iguania：Liolaemini）的替代方法

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摘要

We present different approaches to a multi-locus phylogeny for the Liolaemus elongatus-kriegi group, including almost all species and recognized lineages. We sequenced two mitochondrial and five nuclear gene regions for 123 individuals from 35 taxa, and compared relationships resolved from concatenated and species tree methods. The L. elongatus-kriegi group was inferred as monophyletic in three of the five analyses (concatenated mitochondrial, concatenated mitochondrial + nuclear gene trees, and SVD quartet species tree). The mitochondrial gene tree resolved four haploclades, three corresponding to the previously recognized complexes: L. elongatus, L. kriegi and L. petrophilus complexes, and the L. punmahuida group. The BEAST species tree approach included the L. punmahuida group within the L. kriegi complex, but the SVD quartet method placed it as sister to the L. elongatus-kriegi group. BEAST inferred species of the L. elongatus and L. petrophilus complexes as one clade, while SVDquartet inferred these two complexes as monophyletic (although with no statistical support for the L. petrophilus complex). The species tree approach also included the L. punmahuida group as part of the L. elongatuskriegi group. Our study provides detailed multilocus phylogenetic hypotheses for the L. elongatus-kriegi group, and we discuss possible reasons for differences in the concatenation and species tree methods.
机译：我们向肝脏泻叶 - 克里吉集团提供不同的方法，包括几乎所有物种和公认的血统。从35个分类群中测序了两个线粒体和五个核基因区域，从35个分类群中进行了123个个体，并比较了从连接和物种树方法解决的关系。在五分析（串联线粒体，级联的线粒体+核基因树中的三种分析中的三个中，L. elongatus-Kriegi组被推断为单晶素。线粒体基因树解决了四种，三个对应于先前识别的综合体：L.Elongatus，L.Kriegi和L. petrophilus Compleases，以及L.Punmahuida组。野兽物种树方法包括L.Kriegi复合体内的L. Punmahuida集团，但SVD四重奏方法将其作为姐妹送给L. Elongatus-Kriegi集团。野兽推断L. Elongatus和L. Petrophilus复合物作为一个疏水物的种类，而SVDQUARTET推断这两种复合物作为单胞细胞（尽管没有对L.Petrophilus Complex的统计载体）。该物种树方法还包括L. Punmahuida组作为L. Elongatuskriegi集团的一部分。我们的研究为L.Elongatus-Kriegi集团提供了详细的多层系统发育假设，讨论了串联和物种树方法差异的可能原因。

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