Enhancing PCR with 1,2-propanediol and trehalose
Author Information
Author(s): Horáková Helena, Polakovičová Iva, Shaik Gouse M, Eitler Jiří, Bugajev Viktor, Dráberová Lubica, Dráber Petr
Primary Institution: Institute of Molecular Genetics, Academy of Sciences of the Czech Republic
Hypothesis
Can a mixture of 1,2-propanediol and trehalose improve the performance of quantitative real-time PCR (qPCR) for difficult-to-amplify DNA templates?
Conclusion
The study concludes that PCR mixes supplemented with 1 M 1,2-propanediol and 0.2 M trehalose are effective for amplifying various DNA templates, including those that are GC-rich and present in crude specimens.
Supporting Evidence
- PCR mixes with PT enhancer showed improved amplification of GC-rich templates.
- 1,2-propanediol and trehalose together neutralized PCR inhibitors present in blood samples.
- Mix II-PT allowed efficient amplification of various gene fragments from whole blood.
Takeaway
This study found that adding a special mix of two ingredients can help scientists make copies of tricky pieces of DNA, even when they are mixed with other stuff that usually makes it hard.
Methodology
The study tested various PCR mixes with different DNA dyes and additives to evaluate their effectiveness in amplifying difficult DNA templates.
Limitations
The study did not explore the effects of all possible DNA dyes and PCR conditions, and results may vary with different types of DNA templates.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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