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首页> 外文期刊>Nordic Journal of Botany >Morphological and phylogenetic characterization of fungi within Hymenochaetales: introducing two new species from southern China
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Morphological and phylogenetic characterization of fungi within Hymenochaetales: introducing two new species from southern China

机译：形态和系统发育特征真菌在Hymenochaetales:引入两个新的物种从中国南方

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摘要

Two new wood-inhabiting fungal species, Lyomyces niveus and L. ochraceoalbus spp. nov. are proposed based on a combination of morphological and molecular evidence. Lyomyces ochraceoalbus is characterised by resupinate basidiomata with tuberculate, cracking hymenial surface, clavate basidia with a median constriction, gathering numerous irregular crystals, and thin-walled basidiospores with one or two globules. Lyomyces niveus is characterised by resupinate basidiomata, smooth to grandinioid hymenial surface, presence of three kinds of cystidia, and broadly ellipsoid basidiospores. Sequences of the ITS and nLSU gene regions were generated, and phylogenetic analyses were performed with maximum likelihood, maximum parsimony and Bayesian inference methods. The phylogenetic reconstruction of Schizoporaceae based on a concatenated ITS+nLSU dataset showed that the two new species are nested in Lyomyces. A second phylogenetic analysis, of the genus Lyomyces, demonstrated that multiple isolates of L. niveus forms a monophyletic lineage which is sister to a clade comprising L. crustosus, L. juniperi, L. ochraceoalbus and L. vietnamensis. Moreover, L. ochraceoalbus is closely related to L. crustosus.
机译：两个新的wood-inhabiting真菌物种,Lyomycesniveus和l . ochraceoalbus种虫害11月提出了基于形态的组合和分子证据。特点是倒置的basidiomata长有小瘤的,破解hymenial表面,棍棒状的担子中间收缩,聚会许多不规则的晶体,薄壁都可以与一个或两个小球。niveus的特点是倒置的basidiomata,光滑grandinioid hymenial表面上看,存在三种cystidia、和广泛的椭球担孢子。和nLSU基因区域生成,系统发育分析最大,可能性最大的吝啬和贝叶斯推理方法。Schizoporaceae基于重建表明这两个连接其+ nLSU数据集新物种在Lyomyces嵌套。属的系统发育分析,Lyomyces,证明了l . niveus的多个隔离形成一个单源血统是妹妹进化枝组成L . crustosus L . juniperi L。ochraceoalbus和l . vietnamensis。ochraceoalbus l . crustosus密切相关。

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