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A closer look at Sporidiobolales: Ubiquitous microbial community members of plant and food biospheres

机译：仔细看看Sporidiobolales：植物和食物生物植物的普遍存在的微生物群落成员

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摘要

Carotenoid-containing yeasts in Sporidiobolales (Microbotryomycetes, Pucciniomycotina, Basidiomycota) have been reported from contrasting ecosystems, including marine, soil, phylloplane, polar ice, and many others. Here, we present several analyses drawing on 583 new isolates collected from various substrates around the globe and publicly available sequences from numerous published environmental studies. We provide a multilocus phylogenetic reconstruction of the order, estimates for total species richness, a snapshot of global distribution patterns, and analysis of niche preferences in Sporidiobolales, emphasizing their occurrence in commercial crops and food products. We evaluated loci commonly used in fungal phylogenetics, finding that RNA polymerase II subunits 1 and 2 (RPB1, RPB2) are of little utility in this group. We have reconfirmed the monophyly of Sporidiobolales with three well-supported genera, which are, in descending order of number of species, Rhodotorula, Sporobolomyces, and Rhodosporidiobolus. From our data, we estimate ca. 260 species in Sporidiobolales, of which 42 are described, and ca. 52,000 species in Pucciniomycotina. The majority of data regarding Sporidiobolales are from North America and Europe, highlighting severe knowledge gaps for most of South and Central America and Africa.
机译：据报道，含有类胡萝卜素的酵母（Microbotryomycetes，Pucciniomycotina，盆西霉菌），从对比生态系统，包括海洋，土壤，植物，极地冰和许多其他酵母。在这里，我们在来自全球各种基材的583个新的分离物上提出了几种分析，以及来自许多公开的环境研究的公开可用序列。我们提供了秩序的多层系统发育重建，估计总物种丰富性，全球分布模式的快照，以及在孢子虫疣中的乳蛋白偏好分析，强调其在商业作物和食品中的发生。我们评估了真菌系统常用的基因座，发现RNA聚合酶II亚基1和2（RPB1，RPB2）在该组中具有很少的效用。我们已经通过三种良好支持的属，重新确认了孢子藤藻醛植物的一定，这些属于物种数量，鼻腔，孢子源性和罗达孢子虫鼠和罗达孢子瘤醇的降序。从我们的数据中，我们估计加利福尼亚州。 260种孢子虫鼠，其中42描述，和CA。 Pucciniomycotina的52,000种。关于Sporidiobolales的大多数数据来自北美和欧洲，突出了南部和中美洲大多数人和非洲的严重知识差距。

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