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New species and records of Coryneum from China

机译：来自中国索里姆的新物种和记录

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Following the abandonment of dual nomenclature and the implementation of single-name nomenclature for pleomorphic fungi, Coryneum was considered to have priority over Pseudovalsa and was recommended for use. Currently, Coryneum is the only genus in the family Coryneaceae (Diaporthales). However, DNA sequence data are lacking for most Coryneum species, and no detailed phylogenetic analyses of the genus are yet available. In the present study, fresh Coryneum samples were collected from chestnut (Castanea) and oak (Quercus) trees in China and morphologically compared with accepted Coryneum species. Based on morphological characteristics, they were identified as one known species, Coryneum castaneicola, and three novel species described here as C. gigasporum, C. sinense, and C. suttonii. Conidial dimensions and host association were considered major characters for species distinction. The previously unknown sexual morph of C. castaneicola is reported and described. A phylogenetic analysis of nuc rDNA internal transcribed spacer (ITS1-5.8S-ITS2 = ITS) and large subunit (28S) sequence data of a representative matrix of Diaporthales confirmed Coryneaceae to represent a monophyletic clade. A phylogenetic analysis of a combined sequence matrix containing the ITS-28S rDNA, the translation elongation factor 1-alpha (TEF1 alpha), and the second largest subunit of the RNA polymerase II (RPB2) of the four Chinese and four additional European Coryneum species was performed, confirming the distinctness of these novel species.
机译：在遗弃双重命名和实施单调真菌的单名命名之后，Coryneum被认为优先于伪多瓦纳，建议使用。目前，Coryneum是家庭植物科学（Dialporthales）的唯一属。然而，缺乏大多数坐限性物种的DNA序列数据，并且没有该属的详细系统发育分析尚未使用。在本研究中，在中国的栗子（Castanea）和橡木（栎木）和橡木（栎木）和橡木（栎）树木中收集新鲜的鞋子样本，与接受的Coryneum物种相比。基于形态学特征，它们被鉴定为一种已知的物种，植物群Castanecola和这里描述的三种新种类作为C. gigasporum，C. sinense和C. Suttonii。分析尺寸和宿主关联被认为是物种区别的主要特征。报告并描述了先前未知的C. Castanecola的性感。 NUC RDNA内转录间隔物的系统发育分析（ITS1-5.8S-ITS2 = ITS）和大亚基亚基的亚基序列（28s）序列数据证实了植物痤疮代表单味液。含ITS-28S rDNA的组合序列基质的系统发育分析，翻译伸长因子1-α（TEF1α）和四种中RNA聚合酶II（RPB2）的第二大亚基（RPB2）和四种额外的欧洲辅助物种进行了，证实了这些新种类的清晰度。

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