Phylogenetic and taxonomic updates of Agaricales , with an emphasis on Tricholomopsis

IF 4.6 2区 生物学 Q1 MYCOLOGY Mycology Pub Date : 2023-11-07 DOI:10.1080/21501203.2023.2263031
Geng-Shen Wang, Qing Cai, Yan-Jia Hao, Tolgor Bau, Zuo-Hong Chen, Mei-Xiang Li, Navarro David, Nattapol Kraisitudomsook, Zhu-Liang Yang
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Abstract

The order Agaricales was divided into eight suborders. However, the phylogenetic relationships among some suborders are largely unresolved, and the phylogenetic positions and delimitations of some taxa, such as Sarcomyxaceae and Tricholomopsis, remain unsettled. In this study, sequence data of 38 genomes were generated through genome skimming on an Illumina sequencing system. To anchor the systematic position of Sarcomyxaceae and Tricholomopsis, a phylogenetic analysis based on 555 single-copy orthologous genes from the aforementioned genomes and 126 publicly accessible genomes was performed. The results fully supported the clustering of Tricholomopsis with Phyllotopsis and Pleurocybella within Phyllotopsidaceae, which formed a divergent monophyletic major lineage together with Pterulaceae, Radulomycetaceae, and Macrotyphula in Agaricales. The analysis also revealed that Sarcomyxaceae formed a unique major clade. Therefore, two new suborders, Phyllotopsidineae and Sarcomyxineae, are proposed for the two major lineages. Analyses of 450 single-copy orthologous genes and four loci suggested that Tricholomopsis consisted of at least four clades. Tricholomopsis is subsequently subdivided into four distinct sections. Seventeen Tricholomopsis species in China, including six new species, are reported. Conoloma is established to accommodate T. mucronata. The substrate preference of Tricholomopsis species and the transitions of the pileate ornamentations among the species within the genus are discussed.
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琼脂门的系统发育和分类更新,重点是滴虫
琼脂目分为八个亚目。然而,一些亚目之间的系统发育关系在很大程度上尚未解决,一些分类群的系统发育位置和划分仍未确定,如肌菌科和Tricholomopsis。本研究利用Illumina测序系统对38个基因组进行了测序。为了确定肌comyxaceae和Tricholomopsis的系统位置,我们对上述基因组中的555个单拷贝同源基因和126个可公开获取的基因组进行了系统发育分析。研究结果充分支持了毛霉属与叶根菌属和胸膜菌属在叶根菌科中的聚类,并与翼菌科、Radulomycetaceae和巨菌属在木耳门中形成了一个不同的单系大谱系。分析还表明,肌菌科形成了一个独特的主要分支。因此,我们提出了两个新的亚目,Phyllotopsidineae和Sarcomyxineae。对450个单拷贝同源基因和4个基因座的分析表明,滴虫至少由4个支系组成。滴虫随后被细分为四个不同的部分。报道了中国的17种滴虫,其中6种为新种。Conoloma是为了容纳T. mucronata而建立的。讨论了滴虫属植物对底物的偏好和毛状纹饰在属内物种间的过渡。
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来源期刊
Mycology
Mycology Medicine-Infectious Diseases
CiteScore
9.10
自引率
0.00%
发文量
18
审稿时长
13 weeks
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