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从淡水沉积物中分离出的PCR核型的多样性取决于分离方法

Maja Rupnik^1,2, Alen Fuks¹, Sandra Janezic^1,2

¹National Laboratory for Health, Environment and Food, Maribor, Slovenia.

Applied and environmental microbiology

|September 13, 2024

概括

淡水沉积物是Clostridioides difficile (C. difficile) 的丰富来源,这是一个常见的肠道病原体. 超声波是比洗更有效的方法,可以从这些环境中分离出各种C. difficile菌株.

科学领域:

环境微生物学环境微生物学
细菌学细菌学是一门学科.
公共卫生公共卫生

背景情况:

困难菌 (C. difficile) 是人类和动物的重要肠道病原体.
环境C. difficile子与社区相关的感染有关,重点是水和土壤.
淡水沉积物中C. difficile的存在和多样性仍未得到充分研究.

研究的目的:

调查淡水沉积物中C. difficile的流行和多样性.
为了评估沉积物洗与超声波对C. difficile隔离的有效性.
用PCR核型定型和全基因组测序来表征孤立的C. difficile菌株.

主要方法:

收集和处理15个淡水沉积物样本.
使用沉积物洗和超声波丰富方法分离C. difficile.
通过PCR核型化和基因组测序对分离物的表征.

主要成果:

从100%的沉积物样本中分离出C. difficile,产生了26个核型的171个菌株.
基因组测序证实了地理距离较远的样本中的相关菌株.
与洗相比,超声波显著增加了捕获的PCR核型的多样性.

结论:

淡水沉积物有各种各样的C. difficile菌株,包括不同的血统.
选择隔离方法对复原C. difficile多样性的恢复产生了重大影响.
沉积物是研究C. difficile生态和传播的宝贵储备.

关键词:

克洛斯特里迪奥伊德斯困难菌一个神秘的clades.不同的分类群.我们的环境环境环境环境环境环境环境环境这些水库是水库.沉积物的沉积物超声波的使用方法

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