一种基于多重RT-PCR-反向点杂交技术检测多种猪呼吸道病原体的引物探针组合、试剂盒及应用

By using multiplex RT-PCR-reverse dot hybridization technology, combined with specific primers and probes, the problems of long detection time and high cost in existing technologies for detecting various porcine respiratory pathogens have been solved, achieving rapid detection results with high throughput, low cost, and good specificity.

CN122405908APending Publication Date: 2026-07-17SOUTH CHINA AGRICULTURAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SOUTH CHINA AGRICULTURAL UNIVERSITY
Filing Date
2026-06-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies are insufficient for the efficient and low-cost simultaneous detection of multiple swine respiratory pathogens, especially for differential diagnosis in cases of mixed infections. Furthermore, conventional methods are time-consuming, costly, and lack specificity.

Method used

Using multiplex RT-PCR-reverse dot hybridization technology, combined with specific primers and probes, the reverse dot hybridization detection was performed on a nylon membrane after multiplex RT-PCR amplification, enabling the simultaneous detection of 11 porcine respiratory pathogens.

Benefits of technology

It enables rapid detection of multiple porcine respiratory pathogens with high throughput, low cost, and good specificity, reducing detection time and workload, and improving detection accuracy and sensitivity.

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Abstract

本发明属于动物疫病生化检测的技术领域,具体公开了一种基于多重RT‑PCR‑反向点杂交技术检测多种猪呼吸道病原体的引物探针组合、试剂盒及应用。选择11种猪呼吸道重要致病性病原,根据这些病原的靶标设计引物和探针,引物组序列如SEQ ID NO.1~SEQ ID NO.16所示,探针组序列如SEQ ID NO.19~SEQ ID NO.29所示,用于多重RT‑PCR‑反向点杂交技术可实现单次反应快速同步检测11种病原,利用PCR扩增和探针杂交的“双重筛选”机制,显著提高检测特异性,为动物疫病监测和筛查提供技术支持。
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