Taxonomic revision of Marasmius Fr. and Marasmiaceae Roze ex Kühner based on multigene phylogenetics and morphological evidence

IF 24.5 1区生物学 Q1 MYCOLOGY

Fungal Diversity Pub Date : 2024-07-30 DOI:10.1007/s13225-024-00534-x

Jadson J. S. Oliveira, Dennis E. Desjardin, Thomas S. Jenkinson, Simona Margaritescu, Marina Capelari, Jean-Marc Moncalvo

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Abstract

Many taxonomic and systematic rearrangements were proposed to Marasmius Fr. since its original concept in 1835, and since 1980 when it became the type of Marasmiaceae. These were based on morphological and/or more recently molecular phylogenetic studies. This study conducted a comprehensive taxonomic and systematic evaluation of Marasmius that benefits the whole family, implementing multilocus (SSU, LSU, ITS, rpb2 and ef1-α) phylogenetic analyses integrated with morphological and other features. The resulting trees support (1) a Marasmiaceae clade-based circumscription within Marasmiineae, (2) a Marasmius clade-based circumscription within Marasmiaceae, and (3) a subgenus-section-subsection-series system. Two subgenera are proposed: Globulares and Marasmius. Marasmius auton. subgen. includes Crinis-eques sect. nov., sect. Marasmius, Sanguirotales sect. nov., Variabilispori sect. nov., and Sicciformes sect. nov., while Globulares subg. nov. groups sect. Globulares and sect. Sicci. Four subsections are proposed in sect. Globulares and three in sect. Marasmius and sect. Sicciformes. Seventeen series were defined in sect. Globulares and three in sect. Sicci. Selected traits were assessed for their phylogenetic signals within Marasmius, providing a robust framework for a natural system. Based on this analysis, Marasmiaceae includes Chaetocalathus, Crinipellis, Marasmius and Moniliophthora/Paramarasmius, and Campanellaceae fam. nov. includes Brunneocorticium, Campanella/Tetrapyrgos, Neocampanella, and Marasmiellus sect. Candidi. New species, names, combinations and epitypes are also proposed.

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基于多基因系统学和形态学证据的 Marasmius Fr. 和 Marasmiaceae Roze ex Kühner 的分类学修订

Marasmius Fr.自 1835 年提出最初概念以来，以及自 1980 年成为 Marasmiaceae 的类型以来，人们对其提出了许多分类和系统重排建议。这些都是基于形态学和/或最近的分子系统学研究。本研究通过多焦点（SSU、LSU、ITS、rpb2 和 ef1-α）系统发育分析，结合形态学和其他特征，对 Marasmius 进行了全面的分类和系统评估，使整个科受益。结果树支持：（1）Marasmiineae 内基于 Marasmiaceae 支系的圈定；（2）Marasmiaceae 内基于 Marasmius 支系的圈定；以及（3）亚属-科-亚科-系列系统。提出了两个亚属：Globulares 和 Marasmius。Marasmius auton.亚属包括 Crinis-eques sect.Marasmius, Sanguirotales sect.Globulares 和 sect.Sicci.Globulares subg.Globulares 中提出了 4 个亚科，Marasmius 和 sect.Marasmius 和 sect.Sicciformes.在 sect.在 Globulares 节中定义了 17 个系列，在 Sicci 节中定义了 3 个系列。Sicci.对所选性状进行了评估，以确定其在 Marasmius 内的系统发育信号，从而为自然系统提供了一个稳健的框架。根据这一分析，Marasmiaceae 包括 Chaetocalathus、Crinipellis、Marasmius 和 Moniliophthora/Paramarasmius，而 Campanellaceae fam. nov. 包括 Brunneocorticium、Campanella/Tetrapyrgos、Neocampanella 和 Marasmiellus sect.Candidi。还提出了新种、名称、组合和表型。

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来源期刊

Fungal Diversity 生物-真菌学

CiteScore

44.80

自引率

9.90%

发文量

审稿时长

6 months

期刊介绍： Fungal Diversity, the official journal of the Kunming Institute of Botany of the Chinese Academy of Sciences, is an international, peer-reviewed journal covering all aspects of mycology. It prioritizes papers on biodiversity, systematic, and molecular phylogeny. While it welcomes novel research and review articles, authors aiming to publish checklists are advised to seek regional journals, and the introduction of new species and genera should generally be supported by molecular data. Published articles undergo peer review and are accessible online first with a permanent DOI, making them citable as the official Version of Record according to NISO RP-8-2008 standards. Any necessary corrections after online publication require the publication of an Erratum.