New Species of Diaporthales (Ascomycota) from Diseased Leaves in Fujian Province, China

文献类型: 外文期刊

第一作者: Guan, Xiayu

作者: Guan, Xiayu;Mu, Taichang;Shang, Junya;Mao, Yuchen;Yang, Jiao;Zheng, Minhai;Yang, Lixia;Pu, Huili;Lin, Yongsheng;Zhu, Mengjia;Lv, Huajun;Heng, Zhiang;Qiu, Junzhi;Keyhani, Nemat O.;Liang, Huiling;Fan, Longfei;Ma, Xiaoli;Ma, Haixia;Qiu, Zhenxing

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关键词: Diaporthe; multigene phylogeny; new species; Paratubakia; taxonomy

期刊名称:JOURNAL OF FUNGI ( 影响因子:4.0; 五年影响因子:4.5 )

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年卷期: 2025 年 11 卷 1 期

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收录情况: SCI

摘要: Fungal biota represents important constituents of phyllosphere microorganisms. It is taxonomically highly diverse and influences plant physiology, metabolism and health. Members of the order Diaporthales are distributed worldwide and include devastating plant pathogens as well as endophytes and saprophytes. However, many phyllosphere Diaporthales species remain uncharacterized, with studies examining their diversity needed. Here, we report on the identification of several diaporthalean taxa samples collected from diseased leaves of Cinnamomum camphora (Lauraceae), Castanopsis fordii (Fagaceae) and Schima superba (Theaceae) in Fujian province, China. Based on morphological features coupled to multigene phylogenetic analyses of the internal transcribed spacer (ITS) region, the large subunit of nuclear ribosomal RNA (LSU), the partial beta-tubulin (tub2), histone H3 (his3), DNA-directed RNA polymerase II subunit (rpb2), translation elongation factor 1-alpha (tef1) and calmodulin (cal) genes, three new species of Diaporthales are introduced, namely, Diaporthe wuyishanensis, Gnomoniopsis wuyishanensis and Paratubakia schimae. This study contributes to our understanding on the biodiversity of diaporthalean fungi that are inhabitants of the phyllosphere of trees native to Asia.

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