Clarifying the Relationships between Microsporidia and Cryptomycota.
Clarifying the Relationships between Microsporidia and Cryptomycota.
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DOI：
10.1111/jeu.12519
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发表时间：
2018-11
期刊：
影响因子：
--
通讯作者：
Williams TA
中科院分区：
文献类型：
--
作者：
Bass D;Czech L;Williams BAP;Berney C;Dunthorn M;Mahé F;Torruella G;Stentiford GD;Williams TA
一些具有微孢子虫样细胞生物学特征的原生生物，包括丝孢子虫、副微孢子虫和噬核虫，其SSU rRNA基因序列的差异比典型的微孢子虫要小得多。我们分析了靠近真菌辐射基地的微孢子虫样谱系的系统发育位置和环境多样性，并表明它们与Metchnikovellids和典型的微孢子虫聚在一个支系中，排除了包括Rozella在内的支系，这与目前已知的它们的形态和细胞生物学一致。这些结果表明，微孢子虫的系统发育范围被大大低估了。我们提出，以前被认为是隐孢子虫/轮虫的许多谱系多样性实际上是微孢子虫，这为典型微孢子虫高度专门化寄生的进化提供了新的见解。这一见解对我们理解异形目动物的进化和生态学具有重要意义，对准确解释环境多样性也很重要。我们的分析还表明，许多来自新热带森林土壤组的倒孢子虫(APHELID+ROZELLID+微孢子虫)SSU V4 OTUS带有短枝微孢子虫，这与土壤中它们的原生动物和节肢动物宿主的丰度一致。这种新的微孢子虫多样性为研究高度专业化的主要动物寄生虫分支的进化起源提供了一个独特的机会。
Some protists with microsporidian‐like cell biological characters, including Mitosporidium, Paramicrosporidium, and Nucleophaga, have SSU rRNA gene sequences that are much less divergent than canonical Microsporidia. We analysed the phylogenetic placement and environmental diversity of microsporidian‐like lineages that group near the base of the fungal radiation and show that they group in a clade with metchnikovellids and canonical microsporidians, to the exclusion of the clade including Rozella, in line with what is currently known of their morphology and cell biology. These results show that the phylogenetic scope of Microsporidia has been greatly underestimated. We propose that much of the lineage diversity previously thought to be cryptomycotan/rozellid is actually microsporidian, offering new insights into the evolution of the highly specialized parasitism of canonical Microsporidia. This insight has important implications for our understanding of opisthokont evolution and ecology, and is important for accurate interpretation of environmental diversity. Our analyses also demonstrate that many opisthosporidian (aphelid+rozellid+microsporidian) SSU V4 OTUs from Neotropical forest soils group with the short‐branching Microsporidia, consistent with the abundance of their protist and arthropod hosts in soils. This novel diversity of Microsporidia provides a unique opportunity to investigate the evolutionary origins of a highly specialized clade of major animal parasites.
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影响因子：
2.2
作者：
Fokin, Sergei I.;Di Giuseppe, Graziano;Dini, Fernando
通讯作者：
Dini, Fernando
影响因子：
9.6
作者：
Franzen, C
通讯作者：
Franzen, C
DOI：
10.1073/pnas.1410442111
发表时间：
2014-10-28
影响因子：
11.1
作者：
Haag, Karen L.;James, Timothy Y.;Ebert, Dieter
通讯作者：
Ebert, Dieter
影响因子：
6.7
作者：
Dean P;Hirt RP;Embley TM
通讯作者：
Embley TM
影响因子：
5.2
作者：
Karpov SA;Mamkaeva MA;Aleoshin VV;Nassonova E;Lilje O;Gleason FH
通讯作者：
Gleason FH