Revisiting Xylaria diversity in Southern China: Descriptions of 40 new species

IF 3.7 1区 生物学 Q1 Agricultural and Biological Sciences Journal of Systematics and Evolution Pub Date : 2024-03-26 DOI:10.1111/jse.13058
Qi‐Rui Li, Kamran Habib, You‐Peng Wu, Si‐Han Long, Xu Zhang, Hong‐Min Hu, Qian‐Zhen Wu, Li‐Li Liu, Yan Lin, Xiang‐Chun Shen, Ji‐Chuan Kang
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Abstract

The genus Xylaria comprises a diverse group of fungi with a global distribution and significant ecological importance, known for being a source of bioactive secondary metabolites with antibacterial, antioxidative, anticarcinogenic, and additional properties. In this study, we present a comprehensive taxonomic revision of the species of Xylaria found in some parts of southern China, characterized by an extensive multilocus phylogeny analysis based on internal transcribed spacer (ITS), TUB2 (β‐tubulin), and DNA‐directed RNA polymerase II subunit 2 (rpb2) gene regions. Morphological examination and detailed comparative analyses of the collected specimens were conducted to determine the distinctiveness of each species. The multilocus phylogeny approach allowed us to infer evolutionary relationships and assess species boundaries accurately, leading to the identification of 40 novel Xylaria species hitherto unknown to science. The newly described species are: X. baoshanensis, X. bawanglingensis, X. botryoidalis, X. dadugangensis, X. doupengshanensis, X. fanglanii, X. glaucae, X. guizhouensis, X. japonica, X. jinghongensis, X. jinshanensis, X. kuankuoshuiensis, X. liboensis, X. negundinis, X. orbiculati, X. ovata, X. pseudoanisopleura, X. pseudocubensis, X. pseudobambusicola, X. pseudoglobosa, X. pseudohemisphaerica, X. pseudohypoxylon, X. puerensis, X. qianensis, X. qiongzhouensis, X. rhombostroma, X. serratifoliae, X. shishangensis, X. shuqunii, X. shuangjiangensis, X. sinensis, X. tongrenensis, X. umbellata, X. xishuiensis, X. yaorenshanensis, X. yinggelingensis, X. yumingii, X. yunnanensis, X. zangmui, and X. zonghuangii. The study's findings shed light on the distinctiveness of the newly described species, supported by both morphological distinctions and phylogenetic relationships with their close relatives. This taxonomic revision significantly contributes to our understanding the diversity of Xylaria in China and enriches the knowledge of fungal biodiversity worldwide.
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重新审视华南地区的 Xylaria 多样性:40 个新物种的描述
木属真菌(Xylaria)是一个种类繁多的真菌群体,分布于全球各地,具有重要的生态意义,是具有抗菌、抗氧化、抗癌和其他特性的生物活性次生代谢产物的来源。本研究通过基于内部转录间隔区(ITS)、TUB2(β-tubulin)和 DNA 引导的 RNA 聚合酶 II 亚基 2(rpb2)基因区的广泛多焦点系统进化分析,对中国南方部分地区发现的木犀属物种进行了全面的分类学修订。对采集的标本进行了形态学检查和详细的比较分析,以确定每个物种的独特性。多焦点系统进化方法使我们能够推断进化关系并准确评估物种边界,从而鉴定出 40 个迄今为止科学界未知的新木犀属物种。这些新描述的物种是X.baoshanensis、X. bawanglingensis、X. botryoidalis、X. dadugangensis、X. doupengshanensis、X. fanglanii、X. glaucae、X. guizhouensis、X. japonica、X. jinghongensis、X.金山ensis、X. kuankuoshuiensis、X. liboensis、X. negundinis、X. orbiculati、X. ovata、X. pseudoanisopleura、X. pseudocubensis、X. pseudobambusicola、X. pseudoglobosa、X.pseudohemisphaerica、X. pseudohypoxylon、X. puerensis、X. qianensis、X. qiongzhouensis、X. rhombostroma、X. serratifoliae、X. shishangensis、X. shuqunii、X. shuangjiangensis、X.X. xishuiensis、X. yaorenshanensis、X. yinggelingensis、X. yumingii、X. yunnanensis、X. zangmui 和 X. zonghuangii。该研究的发现阐明了新描述物种的独特性,并得到了其形态学特征及其与近缘种系统发育关系的支持。此次分类学修订极大地促进了我们对中国木霉菌多样性的了解,并丰富了全球真菌生物多样性的知识。
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来源期刊
Journal of Systematics and Evolution
Journal of Systematics and Evolution Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics
CiteScore
7.40
自引率
8.10%
发文量
1368
审稿时长
6-12 weeks
期刊介绍: Journal of Systematics and Evolution (JSE, since 2008; formerly Acta Phytotaxonomica Sinica) is a plant-based international journal newly dedicated to the description and understanding of the biological diversity. It covers: description of new taxa, monographic revision, phylogenetics, molecular evolution and genome evolution, evolutionary developmental biology, evolutionary ecology, population biology, conservation biology, biogeography, paleobiology, evolutionary theories, and related subjects.
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