揭示隐藏的寄生虫多样性:长期读取的Eimeriidae和Haemosporida (Eukaryota: Apicomplexa) 中的线粒基因组学
Peihang Hong1, Sijia Yu2, Hau-You Tzeng3
1Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University, 145 Xing Da Rd., South District, Taichung City, Taiwan; Laboratory of Veterinary Parasitology, Nippon Veterinary and Life Science University, 1-7-1 Kyonancho, Musashino-shi, Tokyo, Japan.
International journal for parasitology
|December 31, 2025
概括
这项研究引入了一种使用牛津纳米孔技术 (ONT) 测序杂寄生虫线粒体基因组的新方法. 它揭示了隐藏的寄生虫多样性,并改善了对复合体进化和感染的理解.
科学领域:
- 寄生虫学的寄生虫学
- 基因组学就是基因组学.
- 进化生物学 进化生物学
背景情况:
- 亚核复合体寄生虫表现出多样化的线粒体基因组结构.
- 技术限制以前阻碍了完整的表征,特别是在复杂的感染中.
- 了解寄生虫的多样性对于宿主寄生虫相互作用研究至关重要.
研究的目的:
- 开发和验证一种新的工作流程,用于测序完整的复合体线粒体基因组.
- 用先进的测序技术揭示隐秘的寄生虫多样性.
- 进行对Eimeriidae和Haemosporida进行比较的基因组和基因组分析.
主要方法:
- 集成的工作流 结合单步PCR放大和牛津纳米孔技术 (ONT) 测序.
- 来自Eimeriidae和Haemosporida的29个高质量的线粒体基因组组合.
- 用桑格测序和家族基因组重建进行比较分析.
主要成果:
- 成功对29个线粒基因组进行测序,在11个样本中揭示了神秘的混合/联合感染.
- 与桑格测序相比,ONT测序显示出更高的分辨率.
- 遗传学分析提供了对Eimeriidae和Haemosporida进化关系和选择压力的洞察.
结论:
- 这种基于ONT的新型工作流程对表征复合体线粒体基因组具有敏感性和有效性.
- 这种方法显著提高了复杂感染中真实寄生虫多样性的检测.
- 这些发现为复杂生物多样性调查和进化研究提供了可扩展的框架.
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