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首页> 外文期刊>Mycologia >Species delimitation in the Gloeocystidiellum porosum-clavuligerum complexinferred from compatibility studies and nuclear rDNA sequence data
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Species delimitation in the Gloeocystidiellum porosum-clavuligerum complexinferred from compatibility studies and nuclear rDNA sequence data

机译：从相容性研究和核rDNA序列数据推断出的Gloeocystoididiellum porosum-Clavuligerum complex中的物种定界

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摘要

Gloeocystidiellum porosum and Gloeocystidiellum clavuligerum are corticioid homobasidiomycetes with minor morphological differences and are generally regarded as a complex of closely related taxa. To infer phylogenetic relationships and to aid in species delimitation, sequences of the internal transcribed spacer 2 and the 5' end of the large subunit nuclear ribosomal DNA were obtained for 25 representatives of the species complex. Inter- and intracompatibility tests between cultured representatives for all specimen groups were performed. Results of phylogenetic analyses based on DNA sequences were congruent with compatibility results. Gloeocystidiellum clavuligerum consists of two distinct taxa, and G. porosum includes at least two intersterile groups of uncertain taxonomic status.
机译：毛囊球囊藻和棒状球囊藻是皮质类同型双孢菌，形态学差异较小，通常被认为是密切相关的类群的复合体。为了推断系统发育关系并帮助物种定界，获得了25种代表性物种的内部转录间隔区2和大亚基核糖体DNA的5'端序列。在所有样本组的培养代表之间进行了内部和内部兼容性测试。基于DNA序列的系统发育分析结果与相容性结果一致。球囊藻由两个不同的分类单元组成，而G. porosum包括至少两个不确定分类状态的不育群体。

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