A fluorescent rpa primer probe combination, kit and method for identifying citrus huanglongbing disease

By designing a primer-probe combination and kit for identifying citrus Huanglongbing using fluorescent RPA, the nucleic acid extraction steps were simplified, enabling rapid and convenient detection of citrus Huanglongbing. This solved the problems of complex operation and long time consumption in existing technologies, and is applicable to various sample types in the field, improving detection sensitivity and accuracy.

CN122405850APending Publication Date: 2026-07-17ZHONGKE GREEN CONTROL TECH CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHONGKE GREEN CONTROL TECH CO LTD
Filing Date
2026-04-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing citrus Huanglongbing (HLB) detection technologies are complex to operate, time-consuming, and rely on specialized equipment and personnel, making it difficult to meet the needs of real-time field testing.

Method used

Design a primer-probe combination and kit for identifying citrus Huanglongbing with fluorescent RPA, including F1 primer, R1 primer and P1 probe, combined with lysis buffer, nucleic acid dilution buffer, amplification lyophilized powder and activator, to simplify the nucleic acid extraction steps and achieve rapid and portable detection.

Benefits of technology

It enables rapid, convenient, and safe detection of Huanglongbing (HLB) in citrus, is applicable to various sample types in the field, reduces operational difficulty, avoids the risk of aerosol contamination, and improves detection sensitivity and accuracy.

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Abstract

本发明公开了一种荧光型RPA鉴定柑橘黄龙病的引物探针组合、试剂盒和方法,属于生物检测领域。所述引物探针组合包括F1引物、R1引物及P1探针,P1探针经特定FAM、THF修饰且3’端连接ddC。试剂盒包含该引物探针组合、裂解液、核酸稀释液、扩增冻干粉及激活剂。检测方法包括样本处理、核酸提取、RPA反应及荧光检测步骤。本发明引物探针组合特异性强、灵敏度高,可精准检出早期无症状感染样本;试剂盒组分优化适配,操作简便,无需专业设备与人员;全流程检测耗时短,可实现田间即时检测,且无气溶胶污染风险。本发明有效解决现有技术操作复杂、依赖专业条件、检测滞后等问题,为柑橘黄龙病早期防控提供可靠技术支撑。
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