Phylogenetic and Morphological Evidence for Three New Species of Diaporthales (Ascomycota) from Fujian Province, China

文献类型： 外文期刊

第一作者： Mu, Taichang

作者： Mu, Taichang;Lin, Yongsheng;Pu, Huili;Lv, Ziying;Lan, Chenhui;Chen, Xiaohao;Zhan, Xinyang;Zhao, Zhiying;Lv, Huajun;Jibola-Shittu, Motunrayo Yemisi;Qiu, Junzhi;Keyhani, Nemat O.;Xiong, Jinming;Wu, Jianlong;Jia, Peisong;Huang, Shuaishuai;Guan, Xiayu

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关键词： multigene phylogeny; phytopathogenic fungi; Pseudoplagiostomataceae; taxonomy

期刊名称：JOURNAL OF FUNGI （ 影响因子：4.2； 五年影响因子：4.5 ）

ISSN：

年卷期： 2024 年 10 卷 6 期

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收录情况： SCI

摘要： Members of the fungal order Diaporthales are sac fungi that include plant pathogens (the notorious chestnut blight fungus), as well as saprobes and endophytes, and are capable of colonizing a wide variety of substrates in different ecosystems, habitats, and hosts worldwide. However, many Diaporthales species remain unidentified, and various inconsistencies within its taxonomic category remain to be resolved. Here, we aimed to identify and classify new species of Diaporthales by using combined morphological and molecular characterization and coupling this information to expand our current phylogenetic understanding of this order. Fungal samples were obtained from dead branches and diseasedleaves of Camellia (Theaceae) and Castanopsis (Fagaceae) in Fujian Province, China. Based on morphological characteristics and molecular phylogenetic analyses derived from the combined nucleotide sequences of loci of the internal transcribed spacer regions with the intervening 5.8S nrRNA gene (ITS), the 28S large subunit of nuclear ribosomal RNA gene (LSU), the translation elongation factor 1-alpha gene (tef1), the partial beta-tubulin gene (tub2), and partial RNA polymerase II second-largest subunit gene (rpb2), three new species of Diaporthales were identified and characterized. They are as follows: Chrysofolia camelliae sp. nov., Dendrostoma castanopsidis sp. nov., and Pseudoplagiostoma wuyishanense sp. nov. They are described and illustrated. This study extends our understanding of species diversity within the Diaporthales.

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