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使用单管多重PCR检测引起人类呼吸道感染的微生物

Isabela L Lima¹, Adriana F Neves², Robson J Oliveira-Júnior¹

¹Instituto de Biotecnologia, Universidade Federal de Uberlândia, Uberlândia 38405-302, Minas Gerais, Brazil.

Infectious disease reports

|August 27, 2025

概括

一种新的多重PCR测定同时检测到22种呼吸道病原体,包括SARS-CoV-2,为呼吸道感染提供了快速且经济有效的诊断工具.

科学领域:

分子生物学
传染病诊断
生物信息学

背景情况:

COVID-19 和其他呼吸道感染的重叠症状需要准确,同时检测病原体.
开发了一种多重PCR平台,以应对各种呼吸道病原体带来的诊断挑战.

研究的目的:

为同时检测22种呼吸道病原体开发和验证多重PCR试验.
从临床样本中快速准确地识别病原体.

主要方法:

使用GenBank序列,Clustal Omega,Primer Express和Primer Explorer进行了初始设计.
用于检测病原体的单管多重PCR试验.
使用PCR和毛细管电泳 (CE) 的340个临床鼻和唾液拭片的分析.

主要成果:

检测成功地检测出多个呼吸道病原体在一个反应.
严重急性呼吸系统综合征-冠状病毒-2 (SARS-CoV-2) 是检测到的最常见的病原体 (29%).
肠道病毒是检测频率第二高的病原体 (6. 5%).

结论:

开发的多重PCR-CE试验是一种具有成本效益和可靠的全面呼吸道病原体查方法.
这种测定有助于快速,同时诊断,从而有针对性的治疗和改善患者的结果.

关键词:

RT-PCR的使用冠状病毒诊断情况呼吸系统综合征

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Real Time RT-PCR

Real Time RT-PCR

Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
The real-time quantification of the number of amplified products is...