Cortinarius steglichii：来自智利的分类学和化学新物种

IF 2.1 3区生物学 Q3 MYCOLOGY

Mycological Progress Pub Date : 2024-09-12 DOI:10.1007/s11557-024-01983-z

Yen T. H. Lam, Lea Schmitz, Lesley Huymann, Dipendu Dhar, Ibrahim Morgan, Robert Rennert, Mehdi D. Davari, Ursula Peintner, Götz Palfner, Norbert Arnold

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引用次数: 0

摘要

根据形态学和显微学特征、分子系统学和次生代谢物的化学分析，描述了产自智利Nothofagus森林的新种Cortinarius steglichii。C.steglichii的特征是在叶片边缘和叶柄先端有大量的、长的、分枝的子囊菌，用KOH处理后呈深紫色。作为子囊菌和一些菌丝胞浆颜色反应的次生代谢物，新的二萜类化合物 steglichon（1）可以被识别出来，并显示出显著的抗菌和抗癌活性。系统进化分析（ITS、LSU、RPB1）证实了其与 Cortinarius dulciolens 类物种的密切关系。

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Cortinarius steglichii: a taxonomical and chemical novelty from Chile

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Cortinarius steglichii: a taxonomical and chemical novelty from Chile

The new species Cortinarius steglichii is described from Chilean Nothofagus forest based on morphological and microscopical attributes, molecular phylogeny, and chemical analysis of secondary metabolites. C. steglichii is characterized by abundant, long, ramified cystidia on the lamellar edges and stipe apex, further by a deep violet color reaction after treatment with KOH. As responsible secondary metabolite for the cytoplasmatic color reaction of cystidia and some hyphae, the new diterpenoid steglichon (1) could be recognized, showing also remarkable antibacterial and anticancer activity. Phylogenetic analyses (ITS, LSU, RPB1) confirm the close relationship to species of the Cortinarius dulciolens group.

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来源期刊

Mycological Progress 生物-真菌学

CiteScore

4.50

自引率

8.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Mycological Progress publishes papers on all aspects of fungi, including lichens. While Review Papers are highly welcome, the main focus is on Research Articles on Taxonomy and Systematics Evolution Cell Biology Ecology Biotechnology Pathology (plants, animals, humans) Manuscripts on current methods applied in, e.g., morphology, anatomy, ultrastructure (TEM, SEM), genetics, molecular biology, chemistry, and physiology will also be considered.