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首页> 外文期刊>Mycologia >Molecular identification and classification of Cochlonema euryblastum, a zoopagalean parasite of Thecamoeba quadrilineata
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Molecular identification and classification of Cochlonema euryblastum, a zoopagalean parasite of Thecamoeba quadrilineata

机译：破壁线虫（Thecamoeba quadrilineata）的一种人畜共患病寄生虫欧洲真球菌的分子鉴定和分类

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摘要

Free-living amoebae can serve a great variety of organisms, predominantly bacteria but to a certain extent also fungi, as a suitable host supplying them with nutrients and protecting them from adverse environmental conditions. In the current study 18S rDNA sequencing was performed to identify a fungal parasite in a Thecamoeba quadrilineata isolate. This parasite morphologically resembled Cochlonema euryblastum, a member of the order Zoopagales, which comprises parasitic species on fungi and invertebrates. Sequence analysis corroborated the morphological identification and the fungal parasite clearly can be assigned to the Zoopagales. Phylogenetic analysis revealed C. euryblastum clustering with two representatives of the mycoparasitic family Piptocephalidaceae. This zooparasitic-mycoparasitic clade represents a sister group of a clade including another member of the Piptocephalidaceae and two other zooparasitic families. Thus, the addition of C. euryblastum to the zoopagalean tree further confirms the finding that molecular data do not support the traditional classification of the Zoopageles.
机译：自由生活的变形虫可以服务于多种生物，主要是细菌，但在一定程度上也可以是真菌，是为它们提供营养并保护其免受不利环境条件影响的合适宿主。在当前的研究中，进行了18S rDNA测序，以鉴定Thecamoeba quadrilineata分离物中的真菌寄生虫。这种寄生虫在形态上类似于欧洲风杆菌（Cochlonema euryblastum），它是Zoopagales的成员，其中包含真菌和无脊椎动物上的寄生物。序列分析证实了形态学鉴定，并且可以清楚地将真菌寄生虫分配给Zoopagales。系统发育分析表明，C。euryblastum与霉菌性寄生虫科Piptocephalidaceae的两名代表聚在一起。该动物寄生虫-真菌寄生虫进化枝代表进化枝的姊妹群，包括另一头ip科和另外两个动物寄生虫家族。因此，将欧洲原虫C. euryblastum添加到Zoopagalean树中进一步证实了以下发现：分子数据不支持Zoopageles的传统分类。

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