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Anisakis real-time fluorescent PCR detection kit and detection method

A detection kit and anisakis detection technology, applied in the determination/inspection of microorganisms, biochemical equipment and methods, etc., can solve the problems of prone to false positive results, cumbersome process, and low detection rate, so as to reduce false positives Positive incidence rate, shortened detection time, and the effect of accurate results

Active Publication Date: 2017-01-11
SHENZHEN CENT FOR DISEASE CONTROL & PREVENTION
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  • Application Information

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Problems solved by technology

However, the traditional detection method mainly uses morphological identification technology, which is cumbersome, time-consuming, and low detection rate.
[0003] Compared with the shortcomings of traditional detection methods, the existing biomolecular detection methods are mostly carried out through the steps of pretreatment of the side sample, nucleic acid extraction, gel electrophoresis, etc., but the operation of gel electrophoresis during the implementation of this method is prone to occurrence False positive results, and the process is cumbersome

Method used

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  • Anisakis real-time fluorescent PCR detection kit and detection method
  • Anisakis real-time fluorescent PCR detection kit and detection method
  • Anisakis real-time fluorescent PCR detection kit and detection method

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Embodiment 1

[0035] S10, take 200 mg pretreated samples of Paragonimus westermani, Toxoplasma gondii, Schistosoma japonicum, Clonorchis sinensis, and Angiostrongylus cantonensis preserved in the Parasite Laboratory of Shenzhen Center for Disease Control and Prevention, and use commercial tissue Genomic DNA extraction kit, specific extraction operations refer to the instructions;

[0036] S20, performing PCR using the sample DNA extracted in step S10 as template DNA respectively, wherein the PCR system is as follows:

[0037]

[0038] Wherein, the above-mentioned PCR reaction reagents were all purchased from TaKaRa, and ABI-7500 fluorescent PCR instrument was used in the PCR process;

[0039] reaction process:

[0040]

[0041] Among them, in order to highlight the comparison of the amplification of pathogenic bacteria in each group, the positive group of Angiostrongylus cantonensis was used as two repeated controls; 2 O served as a negative control.

[0042] S30, detecting FAM flu...

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Abstract

The invention provides a real-time fluorescence PCR detection kit of anisakis. The kit comprises a specific PCR primer and a fluorescent probe, wherein the specific PCR primer comprises an anisakis ribosome 18s forward primer having a base sequence shown by SEQ. ID. No. 1 in a sequence table and an anisakis ribosome 18s reverse primer having a base sequence shown by SEQ. ID. No. 2 in the sequence table; the fluorescent probe has a base sequence shown by SEQ. ID. No.3 in the sequence table, the 5 ' terminal of the fluorescent probe is marked by a fluorescent reporter group, and the 3' terminal is marked by a fluorescence quenching group. The kit provided by the invention reflects a target gene amplification process in real time and directly reflects the copy number of the target gene through according to internal reference or external reference; the kit has the advantages of high sensitivity, strong specificity, short period, high throughput and the like, and meanwhile, the complicated operation of gel electrophoresis is omitted due to the optical system for detecting fluorescence signal, thereby both reducing the occurrence rate of false positive and potential harm on human and environment, and shortening the detection time.

Description

technical field [0001] The invention belongs to the technical field of molecular biology detection, and in particular relates to a real-time fluorescent PCR detection kit and detection method of anisakis. Background technique [0002] With the rise of the diet fashion of eating raw fish, anisakiasis has become an important foodborne zoonotic parasitic disease. In order to understand the infection status of Anisakis in seafood, it is necessary to detect Anisakis on the seafood in the market. However, the traditional detection method mainly uses morphological identification technology, which is cumbersome, time-consuming and low detection rate. [0003] Compared with the shortcomings of traditional detection methods, the existing biomolecular detection methods are mostly carried out through the steps of pretreatment of the side sample, nucleic acid extraction, gel electrophoresis, etc., but the operation of gel electrophoresis during the implementation of this method is prone...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12Q1/68
CPCC12Q1/6851C12Q2563/107C12Q2561/113C12Q2545/113
Inventor 黄达娜张仁利阳帆吴春利李玥武伟华耿艺介李晓恒高世同
Owner SHENZHEN CENT FOR DISEASE CONTROL & PREVENTION