Simple and convenient method and process for detecting SMA by DNA sequencing
A technology of DNA sequencing and sequencing, which is applied in biochemical equipment and methods, microbial measurement/inspection, etc., and can solve problems such as cumbersome detection process and difficulty in mastering by ordinary medical units
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[0011] We performed PCR amplification on SMN gene DNA inzygote 6-exon 8, and sequenced and analyzed the PCR amplification products, summed up and explored a simple method and process for DNA sequencing to detect SMA.
[0012] 1. PCR amplification
[0013] 1. Primer sequence and synthesis
[0014] Intrazygote 6-exon 8 of the SMN gene was amplified by PCR and synthesized by Invitrogen. The primer sequences, amplified fragments and annealing temperatures are shown in Table 1.
[0015] Table 1, primer conditions and products
[0016]
[0017] 2. PCR reaction system
[0018] The total reaction volume is 25 μl, including:
[0019]
[0020] Addition of autoclaved ddH 2 0 to 25.0 μl
[0021] The preparation of the PCR reaction system was performed on ice, and finally Taq DNA polymerase was added, mixed evenly and distributed.
[0022] 3. PCR reaction conditions
[0023] The PCR amplification conditions were pre-denaturation at 94°C for 7 minutes, 94°C for 45 sec, 56°C for...
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