一种快速可视化检测海鳗成分的引物组、试剂盒及方法

By designing a LAMP primer set for moray eels and a closed-tube detection method, the problems of rapid, economical, and specific identification of moray eel meat components were solved, enabling efficient moray eel detection in grassroots units and on-site, meeting the requirements of sensitivity and cost.

CN121249915BActive Publication Date: 2026-07-17临沂市检验检测中心
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
临沂市检验检测中心
Filing Date
2025-12-01
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies are insufficient for efficiently and economically identifying the components of eel meat in grassroots testing institutions and on-site rapid screening scenarios. Furthermore, existing methods are heavily reliant on sophisticated equipment and high-cost reagents, failing to meet the demand for rapid and convenient testing.

Method used

A set of LAMP primers based on the molecular genetic characteristics of moray eels was designed. Combined with loop-mediated isothermal amplification technology, a rapid and visual detection method was established. The moray eel components were identified by specific primers, and the results were determined by directly observing color changes using a closed-tube detection method.

Benefits of technology

It achieves highly specific and low-cost detection of eel components within 60 minutes, with a sensitivity of 1 ng, making it suitable for rapid on-site screening in grassroots units, avoiding aerosol contamination, and reducing equipment and reagent costs.

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Abstract

本发明公开了一种快速可视化检测海鳗成分的引物组、试剂盒及方法,属于海洋鱼肉制品的核酸检测技术领域,具体涉及一种使用LAMP等温扩增技术快速可视化检测海鳗成分的方法。本发明提供了一套适配核酸快速检测的引物组合及配套试剂盒,引物组合由外引物对、内引物对和一条环引物构成,试剂盒则将该引物组合与优化后的LAMP反应混合液集成一体。该检测技术拥有多项核心优势:检测过程中,只需向预制的LAMP反应混合液中加入待测样品的DNA,利用常规恒温设备即可启动检测。全程仅需60分钟,通过肉眼观察显色结果就能完成判读,反应液呈黄色为阳性,呈红色则为阴性。闭管检测的设计,从根源上避免了开盖操作可能引发的气溶胶污染问题。该方法特异性强、检测灵敏度高,最低可检出1 ng基因组DNA或质量分数1%的样品。其检测结果重现性佳,且具备操作简便、成本低廉的特点,尤其适配资金有限的基层农业鱼苗育种单位,以及现场监督检测和口岸快速通关等资源紧张场景。在基层现场检测和海鳗种质鉴定中应用时,能大幅降低监管成本,同时显著提升检测与鉴定的工作效率。
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