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首页> 外文期刊>Mycologia >Phylogenetic relationships of Gomphillaceae and Asterothyriaceae: evidence from a combined Bayesian analysis of nuclear and mitochondrial sequences
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Phylogenetic relationships of Gomphillaceae and Asterothyriaceae: evidence from a combined Bayesian analysis of nuclear and mitochondrial sequences

机译：菊科和菊科的系统发生关系：核和线粒体序列的贝叶斯组合分析的证据

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摘要

The phylogeny and systematic position of Gomphillaceae was reconstructed rising a combined Bayesian analysis of nuclear LSU rDNA and mitochondrial SSU rDNA sequences. Twenty-four partial sequences of 12 taxa (11 Gomphillaceae and one Asterothyriaceae) plus two new sequences of Stictis radiata (Ostropales outgroup) were generated and aligned with the corresponding sequences retrieved from GenBank, resulting in an alignment of 82 taxa that was analyzed using a Bayesian approach with Markov chain Monte Carlo (B/MCMC) methods. Our results confirm Gomphillaceae sensu Vezda and Poelt plus Asterothyriaceae to be a monophyletic group, with an unresolved relationship between the two families. Placement of Gomphillaceae and Asterothyriaceae within Ostropales sensu Kauff and Lutzoni, as sister of Thelotremataceae, also is strongly supported. Alternative hypotheses placing Gomphillaceae in Lecanorales (Cladoniaceae), Agyriales (Baeomycetaceae) or within bitunicate Ascomycota (Arthoniomycetes, Chaetothyriomycetes, Dothideomycetes) were rejected with our dataset. After recent synonymization of Dimerella with Coenogonium (Ostropales: Coenogoniaceae), we propose the new combination Coenogonium pineti (one of our Ostropales outgroup taxa in this analysis).
机译：通过对核LSU rDNA和线粒体SSU rDNA序列进行贝叶斯分析，重建了菊科的系统发育和系统位置。生成了12个分类单元的24个部分序列（11个菊科和1个菊科）以及两个新的辐射辐射链霉菌序列（Ostropales外群），并将其与从GenBank检索到的相应序列进行比对，从而对82个分类单元进行了比对，使用a贝叶斯方法与马尔可夫链蒙特卡洛（B / MCMC）方法。我们的研究结果证实，大果菊科Vezda和Poelt加上菊科是一类，两个家庭之间的关系尚未解决。大力支持将菊科和菊科放在千足莲科Kauff和Lutzoni中，作为Thelotremataceae的姐妹。在我们的数据集中，拒绝将冈比亚菊科放置在Lecanorales（Cladoniaceae），Agyriales（Baeomycetaceae）或二叉形子囊菌（Arthoniomycetes，Chaetothyriomycetes，Dothideomycetes）中。在最近发现Dimerella与Coenogonium（Ostropales：Coenogoniaceae）成为同义词之后，我们提出了新的Coenogonium pineti组合（此分析中我们的Ostropales外包类群之一）。

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