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在罗马尼亚的五种野生鱼物种中流通的Toxoplasma gondii的流行率和基因型

Călin Mircea Gherman¹, Anamaria Balea^1,2, Adriana Györke¹

¹Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania.

Pathogens (Basel, Switzerland)

|June 25, 2025

概括

毒素菌感染在罗马尼亚鱼中很普遍,检测到高抗体患病率. 分子分析证实了小比例鸟类的基因型III,突出了它们作为环境污染的哨兵动物的潜力.

科学领域:

兽医寄生虫学兽医寄生虫学
野生动物流行病学
分子生物学分子生物学

背景情况:

猿类复合体寄生虫*Toxoplasma gondii*感染所有热血动物.
鸟类作为重要的哨兵动物,对由于分散而造成的环境污染.
乌类动物 (乌家族) 广泛分布,是T. gondii存在的潜在指标.

研究的目的:

为了确定罗马尼亚鱼中*Toxoplasma gondii*的血清和分子流行率.
为了研究感染鸟类中的T. gondii基因型.
评估乌作为罗马尼亚 *T. gondii* 环境污染的哨兵的作用.

主要方法:

对来自罗马尼亚的333只乌进行分析.
在肉汁样本上使用修改的聚合试验 (MAT) 进行血清检测.
分子检测包括聚合酶链反应 (PCR) 和心脏样本上的SAG2测序.

主要成果:

在类动物中, *T. gondii* 的总体抗体患病率为19.5%.
在 (48.1%), (72.8%),盖帽乌 (89.7%),乌 (77.5%) 和 (42.9%) 中观察到高血清流行率.
分子分析仅在3个 (1.2%) 的心脏样本中检测到T. gondii* DNA,其中基因型III被确定.

结论:

罗马尼亚的乌动物显示出显著的血清学证据,表明它们感染了Toxoplasma gondii.
低分子患病率表明,寄生虫的快速清除或细分.
这项研究提供了罗马尼亚乌中*T. gondii*的第一个广泛数据,支持了它们的哨兵潜力.

关键词:

这种毒性淋巴细胞 (Toxoplasma gondii) 是科尔维迪斯科尔维迪斯第三个基因型的基因型III.分子流行率分子流行率血清发生率的普遍性.

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