多次感染个体中的胃肠道病原体:相互作用的集群分析
Joy Backhaus1, Hagen Frickmann2,3, Ralf Matthias Hagen4
1Statistical Consulting, 97074 Wuerzburg, Germany.
Microorganisms
|November 25, 2023
概括
哥伦比亚土著社区多个肠道病原体的共同感染显示出复杂的相互作用. 数学分析表明,常见的寄生虫如Blastocystis hominis和Dientamoeba fragilis可以影响其他病原体的存在,影响诊断.
科学领域:
- 微生物学 微生物学
- 流行病学 流行病学
- 计算生物学 计算生物学
背景情况:
- 哥伦比亚偏远地区的土著人口经常经历多种肠道病原体感染和殖民.
- 了解病原体相互作用对于这些社区的准确诊断和治疗至关重要.
研究的目的:
- 研究哥伦比亚土著人口中各种肠道病原体之间的相互作用.
- 确定不同病原体是否以及在多大程度上影响彼此的存在.
主要方法:
- 一个追溯的数学方法被应用到基于PCR的数据从244个便样本在两个数据集.
- 分析了病原体存在和密度数据,以确定相互作用模式和集群.
主要成果:
- 一个稳定的集群解决方案在Blastocystis hominis/Campylobacter spp./Giardia lamblia (集群1) 和Dientamoeba fragilis之间发现了一个独特的配置.
- 在B. hominis/Campylobacter spp./G.之间观察到一种病原体密度依赖的相互作用. 兰布利亚群,D. Fragilis和阿斯卡里斯隆布里科伊德斯.
- 发现与B. hominis和D. fragilis的同时感染具有诊断相关性,可能促进或抑制其他病原体.
结论:
- 像Blastocystis hominis和Dientamoeba fragilis这样的寄生虫,通常被认为具有可疑的病理相关性,可以通过调节其他感染来显著影响诊断景观.
- 解释整个病原体模式,而不是仅仅依赖于个别病原体检测,越来越重要,尤其是在资源有限的环境中使用先进的分子诊断.
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