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The complete mitochondrial genome sequence of Eimeria leuckarti (Eimeriidae, Coccidia, Apicomplexa) infecting domestic horses (Equus ferus caballus)
Mitochondrial DNA Part B ( IF 0.610 ) Pub Date : 2021-09-09 , DOI: 10.1080/23802359.2021.1922318
Evelin E Rejman 1 , Rosann Kehoe 1 , John R Barta 1
Affiliation  

Abstract

The complete mitochondrial genome of Eimeria leuckarti (Eimeriidae, Coccidia, Apicomplexa) was obtained. This morphologically distinctive coccidium is considered to be the only valid Eimeria species of equids and it infects a range of both domestic and wild horses and their relatives. Despite the distinctive appearance of the oocysts of E. leuckarti, the mitochondrial genome organization and gene contents were comparable to other Eimeria spp. and related eimeriid coccidia infecting a range of mammals and birds. The greatly reduced 6242 bp genome is circular-mapping and contains three protein-coding genes (COI, COIII, CytB), 18 fragments encoding the large subunit rRNA (LSU), and 13 fragments encoding the small subunit (SSU) rRNA. No tRNA was encoded similar to other Apicomplexa. A Bayesian inference tree based on aligned CDS and rDNA fragments from Eimeria leuckarti and 34 other coccidia demonstrated that this mt genome has close phylogenetic affinities to Eimeria and Isospora species, and related eimeriid coccidia.



中文翻译:

感染家马(Equus ferus caballus)的Eimeria leuckarti(Eimeriidae、Coccidia、Apicomplexa)的完整线粒体基因组序列

摘要

获得了Eimeria leuckarti艾美球虫科、球虫科、Apicomplexa)的完整线粒体基因组。这种形态独特的球虫被认为是马科动物中唯一有效的艾美耳球虫,它会感染一系列家马和野马及其亲属。尽管E. leuckarti的卵囊具有独特的外观,但线粒体基因组的组织和基因含量与其他艾美球虫相当。属 以及感染一系列哺乳动物和鸟类的相关艾美球虫。大大减少的 6242 bp 基因组是环状映射,包含三个蛋白质编码基因(COI、COIII、CytB)、18 个编码大亚基 rRNA (LSU) 的片段和 13 个编码小亚基 (SSU) rRNA 的片段。没有与其他顶端复合体相似的 tRNA 编码。基于比对的 CDS 和来自Eimeria leuckarti和其他 34 种球虫的rDNA 片段的贝叶斯推理树表明,该 mt 基因组与EimeriaIsospora物种以及相关的 eimeriid 球虫具有密切的系统发育亲和力。

更新日期:2021-09-09
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