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豬肺炎支原體（M.hyopneumoniae）PCR
最近更新時間：2016-3-17
提 供 商：上海士鋒生物科技有限公司資料大?。?/span>50.6KB
文件類型：PNG 圖片下載次數(shù)：357次
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1. Because of the high sensitivity of this protocol, it is recommended that the outer PCR run in a single tube format and followed by either single tube or strip format for inner PCR. This is to reduce the possible cross contamination from one tube to the other.
2. The following solutions need to be prepared:
Outer PCR:
3.1 There are 29 wells available for running 0.5 ml tubes at one time in a Ericopm TwinBlock thermocycler. Each run should includes the following controls:
Negative control: No DNA Positive control: 100 fg/10µl 10 fg/10µl 2.5 fg/10µl (or 1 fg/10µl) 1 ng/10µl (or 0.5 fg/10µl)
3.2 This leaves 24 wells for clinical samples. If cross contamination is suspected to be a problem, it is recommend that more negative controls can be every other 5 clinical samples.
25 µM TH132
25 µM TH133
MasterAmp E 2X Buffer
H2O
5 U/µl taq
Template DNA
Total volume
2 µl
2 µl
25 µl
11 µl
0.25 µl
10 µl
50 µl
3.3 Master solution should be prepared by mixing all the components except template DNA. Then, 40 µl is dispensed into each tube. The volume of the master solution should be prepared such that it is enough for extra one or two reactions than the number of samples intended to run.
3.4 The reaction includes 4 minutes denaturation at 94℃ followed by 30 repeats of denaturation at 94℃ for 1 minute, annealing at 48.8℃ for 1 minute, and extention at 72℃ for 1 minute. The reaction is then incubated at 72℃ for 7 minute.
Inner PCR:
4.1 10 µl of outer PCR product is diluted into 990 µl H2O in eppendorf tube. The dilution is mixed by vortex followed by a short spin in a microfuge to make certain that no diluent was attached to the inner ring of the lid of the eppendorf tube, which might result in an increase of cross contamination during opening and closing of the eppendorf tube.
5.5 µM Mhp3
5.5 µM Mhp4
10X Qiagen Buffer
2 mM dNTPs
H2O
5X Q Solution
5U/ µl Tag
Template DNA
Total Volume
1 µl
1 µl
5 µl
1 µl
30 µl
10 µl
0.25 µl
2 µl
50 µl
4.2 Master solution should be prepared by mixing all the components except template DNA. Then, 48 µl is dispensed into each tube. The volume of the master solution should be prepared such that it is enough for extra one or two reactions than the number of samples intended to run.
4.3 The reaction includes 2 minutes denaturation at 92℃ followed by 30 repeats of denaturation at 92℃ for 1 minute, annealing at 56℃ for 1 minute, and extention at 72℃ for 1 minute. The reaction is then incubated at 72℃ for 7 minute prior to analysis in 1 % agarose gel with 10 µl of reaction mixture.