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首页> 外文期刊>Mycologia >Molecular phylogeny and global diversity of the remarkable genus Bondarzewia (Basicliomycota, Russulales)
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Molecular phylogeny and global diversity of the remarkable genus Bondarzewia (Basicliomycota, Russulales)

机译：显着属Bondarzewia（Basicliomycota，Russulales）的分子系统发育和整体多样性

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摘要

Bondarzewia is a remarkable polypore genus. due to its relatively large poroid basidiocarps and belongs to order Russulales according to recent phylogenetic analyses. Two species, B. berkeleyi and B. mesenterica, are commonly reported in North America and Europe but the genus is poorly known elsewhere. We explored the phylogeny and species diversity of Bondarzewia based on a larger number of samples covering a wider geographic range, including eastern Asia, Europe, North America, Oceania and South America. Sequences were generated from the nuc rDNA region encompassing the internal transcribed spacers 1 and 2, along with the 5.8S rDNA (ITS) and nuc 28S rDNA D1-D2 domains (28S), and the final dataset included 28 samples of which 21 ITS and 28S sequences were newly generated. As a result of phylogenetic analyses and comparison of morphological features we propose a new classification of the genus recognizing 10 species. Most of the novel taxonomic concepts are geographically restricted in contrast to the past broad species concepts, especially of B. berkeleyi. In addition, a degree of host specificity is observed with B. mesenterica, B. occidentalis, B. podocarpi, B. propria and B. submesenterica apparently restricted to gymnosperms and all others on angiosperm hosts where known. Three new species, B. kirkii, B. occidentalis and B. submesenterica, are described and illustrated. Three new combinations (B. dickinsii, B. propria, B. retipora) are revived from synonymy under B. berkeleyi. A key to known species of Bondarzewia is provided.
机译：Bondarzewia是一个杰出的多孔菌属。根据最近的系统发育分析，由于它的类圆环拟青果比较大，属于类Russulales。北美和欧洲普遍报道了伯氏杆菌（B. berkeleyi）和肠杆菌（B. mesenterica）这两个物种，但在其他地方却鲜为人知。我们基于大量样本，涵盖了更广泛的地理范围，包括东亚，欧洲，北美，大洋洲和南美，探索了邦达西维亚的系统发育和物种多样性。从包含内部转录间隔区1和2的nuc rDNA区域以及5.8S rDNA（ITS）和nuc 28S rDNA D1-D2结构域（28S）生成序列，最终数据集包括28个样本，其中21个ITS和新产生了28S序列。作为系统发育分析和形态特征比较的结果，我们提出了识别10种植物的新分类。与过去的广泛物种概念相比，大多数新的生物分类学概念在地理上受到限制，特别是B. berkeleyi。此外，观察到寄主B. osendentica，B。occidentalis，B。podocarpi，B。propria和B. submesenterica的寄主特异性程度明显限于裸子植物和被子植物寄主中的所有其他寄主（已知）。描述并举例说明了三个新种，即柯氏芽孢杆菌，西方球芽孢杆菌和次生肠球菌。三种新组合（B. dickinsii，B。propria，B。retipora）从B. berkeleyi的同义词中复活。提供了已知的Bondarzewia物种的关键。

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