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Correction of RT–qPCR Data for Genomic DNA-derived Signals with ValidPrime
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Correction of RT–qPCR Data for Genomic DNA-derived Signals with ValidPrime

Correction of RT–qPCR Data for Genomic DNA-derived Signals with ValidPrime
News

Correction of RT–qPCR Data for Genomic DNA-derived Signals with ValidPrime

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Genomic DNA (gDNA) contamination is an inherent problem during RNA purification that can lead to non-specific amplification and aberrant results in reverse transcription quantitative PCR (RT—qPCR).

ValidPrime measures the gDNA contribution using an optimized gDNA-specific ValidPrime assay (VPA) and gDNA reference sample(s). The VPA, targeting a nontranscribed locus, is used to measure the gDNA contents in RT(+) samples and the gDNA reference is used to normalize for GOI-specific differences in gDNA sensitivity.

This article demonstrates that the RNA-derived component of the signal can be accurately estimated and deduced from the total signal. ValidPrime corrects with high precision for both exogenous (spiked) and endogenous gDNA, contributing _60% of the total signal, whereas substantially reducing the number of required qPCR control reactions. In conclusion, ValidPrime offers a cost-efficient alternative to RT(_) controls and accurately corrects for signals derived from gDNA in RT–qPCR.

To read the full article, please click on the link provided.

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