Composition for detecting single nucleotide polymorphism an application of composition
A single nucleotide polymorphism and composition technology, which is applied in the field of gene fluorescent probe detection, can solve the problems of time-consuming, time-consuming, labor-intensive, and difficult operations, and achieves a reduction in the probability of non-specific binding, design difficulty, and development savings. cost effect
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[0043] Example 1: as figure 1 As shown, the allele-specific primers and their associated probes were designed and used for the detection of the ApoE gene rs429358 (T / C) SNP locus; the PCR template was cell line genomic DNA.
[0044] Reaction liquid system preparation: H 2 O, purified water, 16.7 μL; PCR buffer (Mg 2+ plus), 5X, 5 μL; dNTPs (each 10 mM dATP, dCTP, dGTP; 20 mM dUTP), 10 mM, 0.5 μL; allele-specific primer 1, 100 uM, 0.1 μL; allele-specific primer 2, 100 uM, 0.1 μL; Allele-specific primer-associated probe 1, 100uM, 0.05μL; allele-specific primer-associated probe 2, 100uM, 0.05μL; upstream primer, 100uM, 0.1μL; downstream primer, 100uM, 0.1μL; UDG enzyme, 1U / μL, 0.1 μL; polymerase, 5U / μL, 0.2 μL; total volume 23 μL.
[0045] Operation steps: Prepare the relevant liquids according to the above reaction solution system, shake and mix for 15 seconds, centrifuge quickly for 15 seconds, dispense 23 μL per tube into PCR reaction tubes, add 2 μL of the samples to be ...
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[0059] Example 2: as figure 2 As shown, allele-specific primer-complementary probe PCR detection technology was used for the detection of MTHFR gene 677 (C / T) SNP locus; the PCR template was cell line genomic DNA.
[0060] Reaction liquid system preparation: H 2 O, purified water, 16.7 μL; PCR buffer (Mg 2+ plus), 5X, 5 μL; dNTPs (each 10 mM dATP, dCTP, dGTP; 20 mM dUTP), 10 mM, 0.5 μL; allele-specific primer 1, 100 uM, 0.1 μL; allele-specific primer 2, 100 uM, 0.1 μL; Allele-specific primer-associated probe 1, 100uM, 0.05μL; allele-specific primer-associated probe 2, 100uM, 0.05μL; upstream primer, 100uM, 0.1μL; downstream primer, 100uM, 0.1μL; UDG, 1U / μL, 0.1 μL; polymerase, 5U / μL, 0.2 μL; total volume 23 μL.
[0061] Operation steps: Prepare the relevant liquids according to the above reaction solution system, shake and mix for 15 seconds, centrifuge quickly for 15 seconds, dispense 23 μL per tube into PCR reaction tubes, add 2 μL of the samples to be tested, and then...
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