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首页> 外文期刊>Mycologia >New species and emendations of Orphella: taxonomic and phylogenetic reassessment of the genus to establish the Orphellales, for stonefly gut fungi with a twist
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New species and emendations of Orphella: taxonomic and phylogenetic reassessment of the genus to establish the Orphellales, for stonefly gut fungi with a twist

机译：Orphella的新物种和修主：种族的分类和系统发育重新评估，建立骨骼，用于扭曲的石灰肠道真菌

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摘要

We consolidate and present data for the sexual stages of five North American species of Orphella, fungal members of trichomycetes previously classified within Harpellales. Three species emendations accommodate the newly recognized characters, including not only the coiled zygospores and accompanying cells but also other morphological traits not provided in the original descriptions for O. avalonensis, O. haysii, and O. hiemalis. We describe three new species, Orphella cataloochensis from both the Smoky Mountains in USA and two provinces in Canada as well as O. pseudoavalonensis and O. pseudohiemalis, both from the Cascade Range, in Oregon, USA. Key morphological features for all known species are summarized and reviewed, with illustrations of some of the North American taxa to update and supplement the literature. The entire suite of morphological characters is discussed, with emphasis on species relationships and hypotheses on possible vicariant origins. We also present a molecular phylogeny based on nuc rDNA 18S and 28S, which supports Orphella as a lineage distinct from Harpellales, and we establish a new order, Orphellales, for it. With the combination of sexual features, now known for 12 of the 14 species of Orphella, and new molecular data, the group is now better characterized, facilitating and hopefully also promoting future studies toward a better understanding of their relationships, origins, and evolutionary history as stonefly gut-dwelling fungi.
机译：我们巩固和呈现用于五个北美物种的性阶段的牙耳的性阶段，滴虫的真菌成员以前在Harpellales内分类。三种物种修饰容纳新公认的特征，不仅包括卷曲的Zygospores和伴随细胞，而且还包括在O. Avalonensis，O. haysii和O. Hiemalis的原始描述中没有提供的其他形态特征。我们描述了三种新的物种，来自美国的烟雾山脉和加拿大的两省以及O.Pseudoavalonensis和O.Pseudohiemalis，均来自美国俄勒冈州的山寨，奥，伪卓·莫纳斯。所有已知物种的关键形态特征总结和审查，有一些北美分类群的插图更新和补充文献。讨论了整个形态特征的套件，重点是在可能的牧草起源上的物种关系和假设。我们还基于NUC RDNA 18S和28s的分子系统发育，其支持灰褐子作为不同于Harpellales的谱系，并且我们建立了新的秩序，orphellales。随着性特征的组合，现在已知为14种孤儿所中的12种和新的分子数据中的12种，该组织现在更好，促进，并希望还促进未来的研究，以更好地了解他们的关系，起源和进化历史作为Stonefly Gut-Coulling真菌。

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