基于混合捕获的NGS小组的开发和评估,用于全面检测呼吸道病原体
Jeong-Ah Kim1, Jeong-Min Kim1, Chaeyoung Lee1
1Division of Emerging Infectious Diseases, Department of Laboratory Diagnosis and Analysis, Korea Disease Control and Prevention Agency (KDCA), Osong Health Technology Administration Complex, 187, Osongsaengmyeong 2-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do, Republic of Korea.
Scientific reports
|November 26, 2025
概括
一个新的混合捕获下一代测序 (NGS) 面板准确检测到85种呼吸道病原体. 这种先进的分子检测方法改善了对具有挑战性的传染病的诊断,并识别了共感染.
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:
- 传统的诊断分析往往无法识别导致传染病的各种病原体.
- 下一代测序 (NGS) 提供一种独立于培养的方法,用于直接从临床样本中全面检测病原体.
- 基于混合捕获的NGS增强了从临床标本中的病原体识别.
研究的目的:
- 开发和评估一种基于混合捕获的NGS小组,用于检测85种呼吸道病原体.
- 评估开发的NGS小组的分析和临床性能.
- 提高未知病因的呼吸道感染的诊断能力.
主要方法:
- 开发基于混合捕获的NGS小组,针对62种病毒和23种细菌/真菌.
- 使用50种病原体进行分析验证,以确定灵敏度和基因组覆盖范围.
- 对561个呼吸器标本进行临床评估,以评估现实世界的性能.
主要成果:
- 实现了高分析灵敏度:32/36个病毒点的基因组覆盖率≥96%和所有14个细菌/真菌点的≥95%.
- 该小组在Ct值高达34.0时保持了≥80%的基因组覆盖率.
- 临床评估确定了25种病原体物种,在57.5%的病毒阳性和83.6%的细菌阳性样本中≥90%的基因组覆盖率;检测到RT-PCR遗漏的病原体,并确定了35种并发感染.
结论:
- 混合捕获NGS面板显示了对呼吸道病原体的高灵敏度和广泛覆盖.
- 这种方法增强了呼吸道感染中的病原体检测,包括具有高Ct值和并发感染的病原体.
- 该技术作为传染病监测,准备和开发有针对性的干预措施的实际平台.
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