通缉美洲龙舌兰酒!龙舌兰膜单胞菌,一种在古北西部地区被忽视的引进病原体。

Fungal systematics and evolution Pub Date : 2021-12-01 Epub Date: 2021-11-09 DOI:10.3114/fuse.2021.08.10
M A Ribes, V Escobio, R Negrín, H O Baral, D H Pfister, L Quijada
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引用次数: 1

摘要

龙舌兰膜虫仅在欧洲和非洲的美洲植物龙舌兰(龙舌兰科)上报道过。这种真菌从未在其宿主的原生范围内被发现,在墨西哥北部和中部以及美国德克萨斯州的干旱生态系统中。它被认为是一种可以杀死宿主的病原体。真菌生长在植物多肉的叶基上。其形态——黑色的囊膜,当子囊成熟时,子囊膜会解体——使这个物种非常独特,但自第一次描述以来,它只被收集和报道过几次。它的系统位置一直不清楚,它被认为是在利多菌群中位置不确定的inintertae sedis。通过对龙舌兰的最新收集和生态学研究,采用综合分类方法(DNA序列、形态学、生态学)分析其与龙舌兰科植物的关系。
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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Wanted on Agave americana! Hymenobolus agaves, an overlooked introduced pathogen in the western palearctic region.

Hymenobolus agaves has been reported only in Europe and Africa on the American plant Agave americana (Asparagaceae). This fungus has never been found in the native range of its host, in arid ecosystems of northern and central Mexico and Texas, USA. It has been suggested to be a pathogen that can kill its host. The fungus grows on succulent leaf bases of the plant. The morphology - black apothecia with a hymenium that disintegrates when asci mature and dark ornamented ascospores - make this species very distinctive, but it has been collected and reported only a few times since its first description. Its systematic position has been unclear, and it has been treated as incertae sedis, that is of uncertain placement, in Leotiomycetes. With recent collections and additional data on the ecology of H. agaves, we use integrative taxonomy (DNA sequences, morphology, ecology) to show its relationships is with Cenangiaceae.

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