Phylogenetic analysis and morphological characteristics of laccate Ganoderma specimens in Finland.

IF 2.6 2区生物学 Q2 MYCOLOGY

Mycologia Pub Date : 2024-09-12 DOI:10.1080/00275514.2024.2381424

Marta Cortina-Escribano,Pyry Veteli,Michael John Wingfield,Brenda Diana Wingfield,Martin Petrus Albertus Coetzee,Henri Vanhanen,Riikka Linnakoski

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Abstract

The Ganoderma lucidum complex includes fungi with similar morphologies but which are thought to represent different species. The lack of available type material and associated absence of multiple locus sequence data has complicated identification of these fungi. The aim of this study was to clarify the identity of the laccate Ganoderma species occurring in Finland by inferring a phylogeny using DNA sequences from available boreal-temperate material. DNA from Finnish isolates together with an older G. lucidum isolate originating from the United Kingdom was sequenced, and the morphological features of the Finnish specimens were examined. The phylogenetic analysis of the internal transcribed spacer region (ITS), the elongation factor 1-α (tef1), RNA polymerase II subunit (rpb2), and partial β-tubulin (β-tub) genes revealed that the G. lucidum isolate from the United Kingdom did not fall within a well-supported clade with other G. lucidum sequences or related species. The Finnish isolates were closely related to the G. tsugae lineage in tef1, rpb2, and β-tub phylogenies. However, G. tsugae appears morphologically distinct from the Finnish material. The results suggest that G. tsugae, or a species phylogenetically closely related to it, may occur in Finland. But further investigation into the relationship between G. tsugae and G. lucidum from Europe will be needed to clarify the identity of the laccate Ganoderma species in Finland.

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芬兰条裂灵芝标本的系统发育分析和形态特征。

灵芝复合菌包括形态相似但被认为代表不同物种的真菌。由于缺乏可用的模式材料和相关的多位点序列数据，这些真菌的鉴定工作变得更加复杂。本研究的目的是利用现有北方-温带材料的 DNA 序列推断系统发育，从而明确芬兰出现的长舌灵芝物种的身份。研究人员对芬兰灵芝分离物的DNA序列以及源自英国的较早灵芝分离物的DNA序列进行了测序，并对芬兰标本的形态特征进行了研究。对内部转录间隔区（ITS）、伸长因子1-α（tef1）、RNA聚合酶II亚基（rpb2）和部分β-管蛋白（β-tub）基因的系统发生学分析表明，来自英国的G. lucidum分离株与其他G. lucidum序列或相关物种不属于一个支持良好的支系。在 tef1、rpb2 和 β-tub 系统发育中，芬兰分离株与 G. tsugae 系亲缘关系密切。然而，G. tsugae 在形态上似乎与芬兰的材料不同。结果表明，G. tsugae 或在系统发育上与其密切相关的物种可能出现在芬兰。但是，还需要进一步研究G. tsugae与欧洲的G. lucidum之间的关系，以明确芬兰长舌灵芝物种的身份。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Mycologia 生物-真菌学

CiteScore

6.20

自引率

3.60%

发文量

审稿时长

4-8 weeks

期刊介绍： International in coverage, Mycologia presents recent advances in mycology, emphasizing all aspects of the biology of Fungi and fungus-like organisms, including Lichens, Oomycetes and Slime Molds. The Journal emphasizes subjects including applied biology, biochemistry, cell biology, development, ecology, evolution, genetics, genomics, molecular biology, morphology, new techniques, animal or plant pathology, phylogenetics, physiology, aspects of secondary metabolism, systematics, and ultrastructure. In addition to research articles, reviews and short notes, Mycologia also includes invited papers based on presentations from the Annual Conference of the Mycological Society of America, such as Karling Lectures or Presidential Addresses.