环境动态的环境动态
Louise Hock1, Malte Herold1,2, Cécile Walczak1
1Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation (ERIN) Department, 41 rue du Brill, L-4422 Belvaux, Luxembourg.
Microbial genomics
|June 5, 2023
概括
野生鸟类携带Campylobacter jejuni,这是胃肠炎的常见原因. 虽然直接传播不太可能,但鸟类可能会在环境中传播持久的C. jejuni克隆,这可能会影响牲畜和人类的健康.
科学领域:
- 微生物学 微生物学
- 兽医科学 兽医科学 兽医科学
- 公共卫生 公共卫生
背景情况:
- 坎比洛巴克特 (Campylobacter jejuni) 是全球细菌性胃肠炎的主要原因.
- 已经确定了复发的C. jejuni基因型,可能与扩散爆发有关.
- 野生鸟类被怀疑是传染性微生物的载体.
研究的目的:
- 评估C. jejuni在野生鸟类和地表水中的遗传多样性.
- 探索环境C. jejuni与卢森堡持续存在的人类血统之间的联系.
- 调查野生鸟类在C. jejuni.传播中的作用.
主要方法:
- 从野生鸟类和地表水中分离的C. jejuni遗传多样性分析.
- 环境基因型与卢森堡 (2018-2021) 人类临床分离物的比较.
- 在野生鸟类种群中检测人类C. jejuni血统的复发情况.
主要成果:
- 异国情调的C. jejuni基因型在环境样本中占主导地位.
- 野生鸟类中4%的C. jejuni与人类的复发基因型相匹配.
- 在一种鸟类中检测到人类特有血统,这表明了多宿主潜力.
- 27%的野生鸟类携带C. jejuni;59种基因型中的3种与人类菌株重叠.
结论:
- 野生鸟类充当C. jejuni.的储存和传播者.
- 虽然直接传播是可疑的,但鸟类可能会为稳定的C. jejuni克隆的环境传播做出贡献.
- 需要进一步的研究来了解野生鸟类在C. jejuni流行病学中的作用,特别是在牲畜方面.
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