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Chemical Variant of 7-deaza-dGTP for Improved CG-rich PCR Amplification

PCR amplification of nucleic acids is a fundamental technique used in many molecular biology  laboratories. Despite its wide use, certain GC-rich regions of DNA, such as mycobacterial  disease targets, still remain a challenge for amplification. Sequences high in GC content are  associated with the formation of secondary structure, which prevents adequate strand separation  and DNA polymerase amplification. As a consequence, mispriming is prominent, complicating  specific product formation.

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