在游泳池中出现机会性致病性 Pseudomonas 种类的发生
Dana Baudišová1, Šárka Bobková2, Petr Pumann2
1National Institute of Public Health, Šrobárova 48/49, 100 42, Prague 10, Czech Republic. dana.baudisova@szu.cz.
Folia microbiologica
|December 5, 2024
概括
在游泳池中发现了机会主义的Pseudomonas细菌,包括P. aeruginosa和P. otitidis. 与耳部感染相关的P. otitidis是常见的,并且与P. aeruginosa不同,对美罗胺有抗性.
科学领域:
- 环境微生物学环境微生物学
- 评估水质水质的评估.
- 细菌病原发生的细菌.
背景情况:
- 受到人类影响的游泳水域可能含有机会性病原体.
- 伪omonas物种是常见的环境细菌,具有不同的致病潜力.
- 标准水质监测可能无法检测出所有相关的细菌物种.
研究的目的:
- 评估受影响的游泳水域的机会性 Pseudomonas 细菌,专注于游泳池.
- 评估检测到的 Pseudomonas 种类中的抗生素敏感性和外毒素 A (exoA) 基因的存在.
主要方法:
- 使用标准的微生物技术检测和量化伪omonas细菌.
- 聚合酶连锁反应 (PCR) 来确定exoA基因的存在.
- 孤立细菌菌株的抗生素敏感性测试.
主要成果:
- 在大多数样本中检测到低度 (1-14 CFU/100 mL) 的空气真菌.
- 与耳部感染相关的 Pseudomonas otitidis,经常发现 (高达 90 CFU/100 mL).
- 奥蒂蒂迪斯菌株缺乏exoA基因,并且比P. aeruginosa表现出更高的美罗胺耐药性.
结论:
- 游泳池可以容纳P. otitidis,这是一种可能被标准P. aeruginosa监测遗漏的物种.
- 与P. aeruginosa相比,P. otitidis在这些环境中具有明显的耐药性和致病潜力.
- 需要对P. otitidis在休水域进行进一步的调查.
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