Phylogenetic and Morphological Perspectives on Crepidotus subg. Dochmiopus: Exploratively Unveiling Hidden Diversity in China.

IF 4.2 2区 生物学 Q2 MICROBIOLOGY Journal of Fungi Pub Date : 2024-10-11 DOI:10.3390/jof10100710
Menghui Han, Qin Na, Renxiu Wei, Hui Zeng, Yaping Hu, Libo Zhang, Jinhong Du, Li Zou, Weimin Tang, Xianhao Cheng, Yupeng Ge
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Abstract

Crepidotus subg. Dochmiopus contributes to more than half of Crepidotus species and exhibits highly hidden diversity. However, C. subg. Dochmiopus is challenging to study because the basidiomata of C. subg. Dochmiopus species are usually small and white, inconspicuous interspecific distinctions, and possess a familiar complex. In this study, we utilized a variety of characteristics for species identification, including habitat, presence or absence of a stipe in mature specimens, pileipellis and cheilocystidia patterns, whether the lamellae edges are fimbriated, and other characteristics. Above all, cheilocystidia and pileipellis patterns will be important in C. subg. Dochmiopus research. Based on the present specimens, we constructed a multigene phylogenetic tree (ITS + LSU) and recognized four new species: C. lamellomaculatus sp. nov., C. capitatocystidiatus sp. nov., C. succineus sp. nov., C. clavocystidiatustustus sp. nov. Detailed morphological descriptions, photographs, line drawings and comparisons with closely related taxa for the new species are provided. The current phylogenetic analysis does not support the previously classifications, indicating that the classification of Crepidotus requires re-evaluation. But the existing molecular datasets and species' descriptions are insufficient to fully resolve the classification. Further integration of new gene segments and a comprehensive review of morphological characteristics will reveal a natural classification for Crepidotus.

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从系统发育和形态学的角度研究蝶形花亚种:探索性地揭示中国隐藏的多样性。
Crepidotus亚种 Dochmiopus占Crepidotus物种的一半以上,表现出高度隐蔽的多样性。然而,C. subg. Dochmiopus 的研究具有挑战性,因为 C. subg. Dochmiopus 物种的基部体通常较小且呈白色,种间区别不明显,并具有熟悉的复合体。在这项研究中,我们利用各种特征进行物种鉴定,包括栖息地、成熟标本中有无柄、绒毛和螯囊形态、薄片边缘是否呈流苏状以及其他特征。最重要的是,螯囊和绒毛的形态在 C. subg. Dochmiopus 的研究中非常重要。根据目前的标本,我们构建了一棵多基因系统发生树(ITS + LSU),并确认了四个新种:新种:C. lamellomaculatus sp.nov.、C. capitatocystidiatus sp.nov.、C. succineus sp.nov.、C. clavocystidiatustus sp.nov.。文中提供了新种的详细形态描述、照片、线条图以及与近缘类群的比较。目前的系统发育分析并不支持之前的分类,这表明 Crepidotus 的分类需要重新评估。但是现有的分子数据集和物种描述不足以完全解决分类问题。进一步整合新的基因片段和全面审查形态特征将揭示蛙类的自然分类。
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来源期刊
Journal of Fungi
Journal of Fungi Medicine-Microbiology (medical)
CiteScore
6.70
自引率
14.90%
发文量
1151
审稿时长
11 weeks
期刊介绍: Journal of Fungi (ISSN 2309-608X) is an international, peer-reviewed scientific open access journal that provides an advanced forum for studies related to pathogenic fungi, fungal biology, and all other aspects of fungal research. The journal publishes reviews, regular research papers, and communications in quarterly issues. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on paper length. Full experimental details must be provided so that the results can be reproduced.
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