One-step RT-PCR (Reverse Transcription Polymerase Chain Reaction) detection reagent kit for Cucumber green mottle mosaic virus and detection method thereof

An RT-PCR and detection kit technology, applied in the field of one-step RT-PCR detection kits for cucumber green mottle mosaic virus, can solve the problems of low reliability, long detection period, complicated processing, etc. The effect of reducing detection cost and simple production method

Inactive Publication Date: 2010-09-29
INSPECTION & QUARANTINE TECH CENT OF FUJIAN ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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AI-Extracted Technical Summary

Problems solved by technology

CGMMV can be identified by inoculating indicator plants such as quinoa, datura, petunia, etc., but the symptoms are very similar to other viruses of the same genus, so the reliability is not high, and the detection cycle is long
The detection of CGMMV by electron microscopy not only requires special equipment, but also the pretreatment of materials is relatively complicated.
Serological detection has the advantages of simple equipment, easy operation, low cost and sensitive res...
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Abstract

The invention relates to a one-step RT-PCR (Reverse Transcription Polymerase Chain Reaction) detection reagent kit for Cucumber green mottle mosaic virus and a detection method thereof. The reagent kit comprises the following various agents for a one-step RT-PRC reaction: an upstream primer of Cucumber green mottle mosaic virus, a downstream primer of Cucumber green mottle mosaic virus, a PCR Buffer, Mgc12, dNTPs, an RNA enzyme inhibitor, a reverse transcriptase, a DNA polymerase, positive control containing Cucumber green mottle mosaic virus and negative control containing no Cucumber green mottle mosaic virus and RNase-free ddH2O. The invention has the advantages of simple preparation method and convenient large-scale industrialized production, and the detection method has the advantages of simple and convenient operation, high sensitivity, strong specificity and good accuracy. The whole detection process is accomplished in a PCR tube and suitable for rapid detection of a batch of samples, thereby simplifying the operation procedure, reducing the detection time, avoiding the cross contamination, and improving the detection efficiency.

Application Domain

Technology Topic

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  • One-step RT-PCR (Reverse Transcription Polymerase Chain Reaction) detection reagent kit for Cucumber green mottle mosaic virus and detection method thereof

Examples

  • Experimental program(2)
  • Effect test(1)

Example Embodiment

[0029] Example 1:
[0030] A one-step RT-PCR detection kit for cucumber green mottle mosaic virus, characterized in that the kit includes:
[0031] 1) A # The tube contains the upstream primers of Cucumber Green Mottle Mosaic Virus, the concentration is 10μmol/L, and the primer sequence is 5'-TGCTTCTTATGTTCCCGTCA-3';
[0032] 2) B # The tube contains the downstream primers of cucumber green mottle mosaic virus, the concentration is 10 μmol/L, and the primer sequence is 5’-GCCCATAGAAACTTCAACGTC-3’;
[0033] 3) C # Tube, containing PCR Buffer, the concentration is 10×;
[0034] 4)D # Tube with Mgcl inside 2 , The concentration is 25mmol/L;
[0035] 5)E # Tube with dNTPs inside, concentration of 10mmol/L;
[0036] 6)F # Tube with RNase inhibitor inside, the concentration is 40U/μL;
[0037] 7) G # Tube containing reverse transcriptase at a concentration of 5U/μL;
[0038] 8) H # The tube contains DNA polymerase at a concentration of 5U/μL;
[0039] 9) I # Tube containing positive control CK+ containing cucumber green mottle mosaic virus;
[0040] 10)J # Tube containing the negative control CK- which does not contain cucumber green mottle mosaic virus;
[0041] 11) K # Tube with RNase-free ddH inside 2 O.
[0042] Above A # Tube-K # The tube can be 1 tube, and the content of each tube can be as follows: A # The content of the tube is 100μL; B # The content of the tube is 100μL; C # The content of the tube is 150μL; D # The content of the tube is 300μL; E # The content of the tube is 150μL; F # The content of the tube is 25μL; G # The content of the tube is 25μL; H # The content of the tube is 25μL; I # The content of the tube is 50μL; J # The content of the tube is 50μL; K # The content of the tube is 1 mL.

Example Embodiment

[0043] Example 2:
[0044] The detection method of the cucumber green mottle mosaic virus one-step RT-PCR detection kit includes the following steps:
[0045] 1) Add A to each PCR tube according to the number of samples to be tested # Solution 2μL, B # Solution 2μL, C # Solution 5μL, D # 10μL, E # Solution 5μL, F # 1μL, G # 1μL, H # 1μL and K # 21μL of liquid, mix well, and leave after instant;
[0046] 2) RT-PCR reaction: Take 2μL each of the sample to be tested, the negative control and the positive control RNA template, add them to each PCR tube prepared in step (1), mix well, and perform the following RT-PCR reaction after instant separation: CDNA synthesis at 42°C for 30 minutes, followed by pre-denaturation at 94°C for 5 minutes, and then enter the following cycle: denaturation at 94°C for 30s, annealing at 54°C for 45s, extension at 72°C for 1 min, a total of 35 cycles; after the last cycle, extension at 72°C for 10 min;
[0047] 3) PCR amplification product electrophoresis detection: After the RT-PCR reaction, take 10 μL of the product and use 1.5% agarose gel electrophoresis to detect it. After staining with ethidium bromide, observe and record the experimental results on the gel imaging system.
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Description & Claims & Application Information

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