Primer set, application, product and method for detecting SNP sites related to nutrient metabolism ability
A technology of metabolism and nutrient metabolism, applied in the field of primer sets for detecting SNP sites related to nutrient metabolism, can solve the problems of high sample loading, low throughput, complicated operation, etc., to shorten the detection cycle, reduce the detection cost, Accurate effect
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Embodiment 1
[0076] Example 1 Design and optimization of primers, establishment of reaction system
[0077] 1.1 Design and optimization of primers
[0078] Through the primer design software (Assay Design Suite) on the MassARRAY website, adjust the relevant parameters, complete the 51-site PCR and UEP primer design, export the designed primers and various parameter files, and synthesize the primers. Prepare amplification primer MIX and extension primer MIX according to the primer configuration table, and fine-tune the extension primer MIX until it meets the requirements. Then proceed to primer testing and optimization. Specific steps are as follows:
[0079] (1) Dilute the genomic DNA sample to 10ng / μl, and prepare the PCR reaction MIX according to the table below (the following is a single sample volume)
[0080] Table 3 PCR reaction system
[0081]
[0082] Seal the film, vortex and mix for 30 seconds, centrifuge at 4000 rpm for 1 minute, put the plate on the PCR machine for the following therm...
Embodiment 2
[0117] Example 2 Verification of the reaction system
[0118] In the system optimization process of the present invention, each detection site has 2 to 3 samples verified by Sanger sequencing, and the comparison results are consistent, confirming that the detection result of the present invention is accurate. The present invention performs a series of verification experiments after confirming the optimal reaction system, including accuracy, precision, and personnel comparison and comparison experiments between different batches of primers. The specific verification scheme is as follows:
[0119] (1) Accuracy experimental verification scheme: One sample from each of 51 sites is selected for Sanger sequencing, and the results of Sanger sequencing and MassARRAY are compared. If the consistency is greater than 95%, the verification is passed.
[0120] (2) Accuracy experimental verification scheme: Pick 3 exceptions of peripheral blood samples and 3 corresponding buccal swab samples, eac...
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