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Primer pair for dual-LAMP simultaneous detection of shigella and listeria monocytogenes, reagent, kit and method

A technology for mononucleosis and Listeria, applied in the field of warm amplification, can solve the problems of long detection period, high misjudgment rate, and inability to detect bacteria at the same time, achieving fast detection speed and misjudgment rate Low, various effects of observation methods

Inactive Publication Date: 2018-12-07
沈阳海关技术中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention discloses a dual LAMP primer set, reagent, kit and method for simultaneous detection of Shigella and Listeria monocytogenes, to at least solve the problem that the previous detection methods cannot achieve the above bacterial species Simultaneous detection, long detection cycle, high misjudgment rate, etc.

Method used

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  • Primer pair for dual-LAMP simultaneous detection of shigella and listeria monocytogenes, reagent, kit and method
  • Primer pair for dual-LAMP simultaneous detection of shigella and listeria monocytogenes, reagent, kit and method
  • Primer pair for dual-LAMP simultaneous detection of shigella and listeria monocytogenes, reagent, kit and method

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Embodiment Construction

[0032] The present invention will be further explained with specific cases below, but it is not intended to limit the protection scope of the present invention.

[0033] Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art, and all products used are commercially available.

[0034] Below in conjunction with specific embodiment the detection process of the present invention is further described in detail, specifically as follows:

[0035] 1. Primer design

[0036] The ipaH gene (GenBank: M32063.1) of Shigella and the hlyA gene (GenBank: DQ812517.1) of Listeria monocytogenes were selected as target sequences, and Shigella were designed by Primer Explore V4 online design software. Bacteria primer sequence set and Listeria monocytogenes primer sequence set, as shown in the following table:

[0037]

[0038]

[0039] 2. Extraction and purification of sample DNA

[0040] Add 1mL of the enriched nu...

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Abstract

The invention discloses a primer pair for dual-LAMP simultaneous detection of shigella and listeria monocytogenes, a reagent, a kit and a method. Through the unique primer design, the simultaneous detection of shigella and listeria monocytogenes can be realized; the primer pair has the advantages of short detection period, high detection speed, and the like; a dual-LAMP detection method adopted bythe invention is capable of qualitatively analyzing if the meat products contain shigella and listeria monocytogenes, taking the advantage of LAMP detection technology, further perfecting a detectionsystem for food-borne pathogenic bacteria in the meat products and promoting the protection for consumer benefits.

Description

technical field [0001] The invention discloses the field of loop-mediated isothermal amplification technology, and particularly relates to a primer set, reagent, kit and method for dual LAMP simultaneous detection of Shigella and Listeria monocytogenes. Background technique [0002] At present, the techniques used to detect pathogenic bacteria in food at home and abroad mainly include traditional national standard detection methods, PCR methods, fluorescent quantitative PCR and multiplex PCR detection methods. [0003] With the development of the market economy, the production and consumption of meat products have maintained a continuous development trend, and the demand for imported and exported meat products has continued to increase. However, Shigella and Listeria monocytogenes commonly found in some meat products Tertiary bacteria adopts the traditional culture method, and each pathogenic bacteria needs to apply an independent detection method, which not only requires a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12Q1/689C12Q1/10C12Q1/04C12N15/11C12R1/01
CPCC12Q1/689C12Q2600/16C12Q2600/166
Inventor 王金玲张莹于丽吴渺涉李姝
Owner 沈阳海关技术中心