临床全基因组测序试验用于快速的Mycobacterium结核病复杂的第一线药物敏感性测试和植物遗传相关性分析
Bennett Shaw1, Benjamin von Bredow1,2, Allison Tsan1
1Department of Pathology and Laboratory Medicine, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, USA.
Microorganisms
|October 28, 2023
概括
全基因组测序 (WGS) 为检测耐药结核病 (TB) 提供了一种快速而准确的方法. 这种WGS测试比传统方法提供更快的结果,有助于更快地诊断和治疗耐药结核病患者.
科学领域:
- 微生物学 微生物学
- 基因组学就是基因组学.
- 传染性疾病 传染性疾病
背景情况:
- 全球抗药结核病 (TB) 的增长需要先进的诊断工具.
- 目前的表型药物敏感性测试 (DST) 是耗时的.
研究的目的:
- 开发和验证一种基于全基因组测序 (WGS) 的测试,以检测Mycobacterium结核病综合体 (MTB) 的耐药性.
- 为了比较基于WGS的测试与表型DST的准确性和速度.
主要方法:
- 全基因组测序 (WGS) 用于识别MTB的耐药性.
- 在38个临床隔离品上,与表型药物敏感性测试 (DST) 进行比较分析.
- 对11个分离物进行前性分析,以评估周转时间.
主要成果:
- 在WGS和表型DST之间,总体一致性为97.4%.
- 在WGS测试中,结果平均比表型方法快36天.
- 卫星地质系统的数据有助于调查实验室污染和传染的遗传学分析.
结论:
- 基于WGS的测试是针对MTB药物耐药性的表型DST的准确且显著更快的替代方案.
- 在感染控制,实验室安全和公共卫生方面,WGS提供了额外的好处.
- 这种WGS方法有可能改善耐药结核病的诊断和管理.
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