在尼罗河三角洲,埃及的Mycobacterium结核病分离物中的耐药性和基因组变异
May S Soliman1, Chungyi H Hansen2, Mostafa Hanafy2,3
1Department of Clinical and Chemical Pathology, Kasr Al Aini, Faculty of Medicine, Cairo University, Giza, Egypt. may.mohmed@kasralainy.edu.eg.
Scientific reports
|September 2, 2024
概括
耐药结核病在埃及越来越令人担忧. 这项研究发现了对常见的结核病药物耐药性的高率,并确定了新的突变,突出了针对性控制措施的必要性.
科学领域:
- 微生物学 微生物学
- 基因组学就是基因组学.
- 公共卫生 公共卫生
背景情况:
- 结核病 (TB) 仍然是一个重大的全球卫生挑战.
- 以前的研究表明,埃及的耐药结核病正在增加.
- 了解抵抗模式对于有效控制至关重要.
研究的目的:
- 为了研究埃及Mycobacterium结核病分离物的抗生素敏感性概况.
- 使用全基因组测序 (WGS) 识别与耐药性相关的遗传突变.
- 为尼罗河三角洲地区的结核病控制战略提供信息.
主要方法:
- 分析了来自开罗和亚历山大的102个结核菌菌分离物.
- 使用Löwenstein-Jensen介质,BD BACTEC MGIT 960 SIRE套件和扩散盘测试进行抗生素敏感性测试.
- 在Illumina平台上进行全基因组测序 (WGS),以识别遗传突变.
主要成果:
- 第4系菌株占主 (>80%),第3系菌株占11%.
- 药物耐药性率:链杆菌素 (31.0%),异化 (17.2%),利芬素 (19.5%) 和乙ambutol (20.7%).
- 47.1%的分离物对所有四种药物都敏感;一个分离物对所有四种药物都耐药. WGS揭示了新的和已知的突变.
结论:
- 在埃及结核病分离体中观察到高水平的耐药性和新突变.
- 结核病控制工作必须解决单抗和双抗菌株的流行问题.
- 尼罗河三角洲需要有针对性的干预措施,以制耐药结核病的传播.
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